Siemens PGC 302 Edition II User Manual

Page 1

PGC 302 edition II Process Gas Chromatogra ph

Contents

Information for the user

Conformity certificates Safety information Disclaimer of liability Sensitive components Abbreviations and symbols Explosion protection

Software and networking

The software The IBM-compatible PC Installation of software Parameterization of control unit Problems and errors Networking

Installation

Installation location Assembly Technical data

Manual

Order No. C79000-G5376-C523-2

Siemens Aktiengesellschaft

Commissioning

Shutting down

Operation with keyboard and screen Software supplements

GCLAN, GCARCHIV, PGCSIM

Function description of analytical system

Gas supply Sample input Columns Detectors Oven Column switching

Function description of electronics

Summary of electronics Detector electronics Control electronics Circuit diagrams

Application data Dimensional drawings External piping and wiring diagrams Data sheets and certificates Spare parts lists

4 5 6 7

10 11 12 13 14 15

Page 2

NOTE:

For clarity reasons this Instruction Manual does not contain all detailed information on all types of chromatograph. It cannot refer to all possible cases in conjunction with installation, operation or repair either.

Should you require further information, or should particular problems occur which are not handled in sufficient depth in this Manual, help can be requested through your local Siemens office or representative.

The contents of this Instruction Manual are not part of a previous or existing agreement, commitment or statutory right and do not chang e these. All commitments on the part of Siemens are contained in the respective sales contract which also contains the complete and solely applicable warranty conditions. These warranty conditions in the contract are neither extended nor limited by the contents of this Instruction Manual.

We have checked the contents of this manual for agreement with the hardware and software described. Since deviations cannot be precluded entirely, we cannot guarantee fu ll agreem ent. Howev er, the data in thi s manual are reviewed r egularly and any necessary corrections included in subsequent editions. Suggestions for improvement are welcomed.

Technical data are subj ec t to ch ange .

S i emen s Ak t i en ges el lschaf t

The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved.

Order from: Gerätewerk Karlsruhe Printed in the Federal Republic of Germany

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Contents

INFORMATION FOR THE USER

Page

Conformity certificates Safety information Symbols and abbreviations

. . . . . . . . . . . 3

. . . . . . . . . . . . . . 4

. . . . . . . 5

Explosion protection

Special fittings . . . . . . . . . . . . . . . . . . . . . 8

Conditions . . . . . . . . . . . . . . . . . . . . . . . 8

Temperature class . . . . . . . . . . . . . . . . . . . 8

Isolating relay . . . . . . . . . . . . . . . . . . . . . 8

Opening the electronics door . . . . . . . . . . . . . 8

Pressurized enclosure,

switching on the chromatograph . . . . . . . . . . 9

Starting the automatic purging time . . . . . . . . . 9

Key switch, bypassing of purging time controller . . 9

Purging time monitoring unit . . . . . . . . . . . . . 9

Design of the classified

Degrees of protection used in the classified Heaters for oven,

liquid injection valve and heated line . . . . . . . 10

Solenoid valve for carrier gas H

Classified FID . . . . . . . . . . . . . . . . . . . . 10

Classified TCD . . . . . . . . . . . . . . . . . . . 10

PGC 302

. . . . . . . . . 10

. . . . . . . . . . . 10

. . . . . . . . . . 10

Maintenance of classified parts

. . . 11

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Conformity certificate

EG conformity certificate

The master of the EG conformity certificate can be consulted at:

Siemens AG AUT 3 62 D-76181 Karlsruhe

Conformity certificate

Contents of EG conformity certificate

This chromatograph has been developed and manufactured in line with

89/336/EWG Guideline for electromagnetc comaptibility (changed by 91/263/EWG, 92/31/EWG and 93/68/EWG) 73/23/EWG Guideline for voltage limits in use of electrical equipment (changed by 93/68/EWG )

The following international standards are applied:

EN 50081-1 EN 50082-2 EN 61010

Safe electrical isolation

The low-voltage circuits are isolated safely from the power supply circuits. The chromatograph has been designed according to DIN VD E 0100, Part 410: Protec-

tive measures, Protection against dangerous shock curren ts , in particular Section 4.3.2 Functional extra-low voltage with safe isolation.

The chromatograph complies with the requirements of DIN VDE 0106, Part 101: Protection against dan-

gerous shock currents, Basic requirements for safe isolation.

Explosion protection

Explosion-proof chromatographs have been designed in accordance with :

EN 50014: 1977 + A1 . .. A5 General regulations EN 50016: 1977 + A1 Pressurized enclosure p EN 50018: 1977 + A1 . .. A3 Flameproof enclosure d EN 50019: 1977 + A1 ... A3 Increased ed safety e

Refer to the conformity certificate in Register 14.

Recommendation

You retain this status and guarantee danger-free operation if you observe the information and warnings in this manual.

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Safety information

SAFETY INFORMATION

The chromatograph complies to the safety regulations. Following our handling instructions and safety informations the chromatograph normally won’t cause any substancial damage or any personal injury.

This safety information is to warn you of dangers which could lead to personal injury or damage to property. This information is present

in this manual on the chro matogr aph on components of the chromatograph.

The following are differentiated depending on the degree of danger:

Safety information

DAN G E R

This means that death, severe personal injury or substanti al damage to proper ty will occur if th e specified s afety precautions ar e not obser ved.

WA RNING

If you open the door or remove the covers certain parts in electrical devices become accessible which possess dangerous voltages during operation.

Only suitably qualif ied staff should work on this device or in its vi cinity.

These should b e thoroughly familia r with all warnings and maintenance measures according t o this manual .

Correct and s afe operation of this device is dependent on:

Proper tran sport Correct storage Correct in stallati on and assem bly Proper oper ation and main tenance

Please follow the directions for use in this manual to avoid perso nal injury or dama ge to proper ty

WARNING

This means that death, severe personal injury or sub stan tial dama ge to prope r t y can occur if th e specified s afety precautions ar e not obser ved.

CAUTION

This means that slight personal injury or damage to property can occur if the specified safety precautions are not observed.

IMPORTANT: This is important information on the chroma- tograph or a part of the manual to which par- ticular attention should be paid.

NOTE:

is an information about the chromatograph or a part of the manual, we want you to read for better c omprehension.

Qualified person

A qualified person in the sense of this manual and the warning information on the chromatograph and its components is one who is familiar with the installation, design, commissioning and operation of the chromatograph and who has the appropriate qualifications, e.g.

Is trained and authorized to energize, de-energize, ground and tag circuits and devices/systems in accordance with established safety practices, especially in potentially explosive atmospheres. Is trained in the proper care and use of protective equipment in accordance with established safety practices. Is trained in first aid.

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Safety information

WA RNING: Dangerous gases!

The chromatograph uses various gases, some of which may be dangerous.

Before working on the chromatograph, establish which gases are used in the chromatograph, and in particular the composition of the s ample ga s.

Route all exhaust gases via a common line out of the chr o ma to gra ph an d away from t he position of use.

Always ensure there is su fficient ventilation:

If you are working with hydrogen. Hydrogen produces an explosive mixture with air If you are working with liquid CO2. The inhalation of larger quantities of CO2 leads to an oxy gen shor tage and ev en to unconsciousn ess and suff ocation. If you allow the sample gas line to run empty and the sample gas contains corrosive or to xic componen ts.

CAUTIO N: Hot parts!

Some parts of the chromatograph need to be hot while wor king althoug h they must be accessible, e.g. the oven, the detecto rs and injectors.

CAUTION: Radioaktive!

If the chromatograph is equipped with ECD or HID: ECD and HID are radiators. They are subject to governmental supervision. Observe the regula tions!

Route all exhaust gases via a common line out of the chr o ma to gra ph an d away from t he position of use.

Observe the maximum operating temperatures of these detectors!

These detectors are marked with the corresponding label.

WA RNING: Explosive gases!

The chromatograph uses various gases, some of which may produce an explosive mixture with air!

Before working on the chromatograph, establish which gases are used in the chromatograph.

Route all exhaust gases via a common line out of the chr o ma to gra ph an d away from t he position of use.

Always ensure there is su fficient ventilation.

CAUTIO N: Flames!

In some detectores a flame is still burning although the chromatograph is electrically switched off! Switch off the gases a nd allow the detector to cool down before you open such a detector!

Electrostatically sensitive devices!

Before you touch such compo nents/modules:

Switch off the chromatograph. Discharge any static from yourself by touching a grounded object or by using an ESD wristband. Only use tools which are free of static charges. Do not touch an y connection pins or conductor paths. Only touch the modules by their edges.

Disclaimer of liability for external accessories

If you wish to use or connect accessories which we have not specifically recommended for the chromatograph, please ask us to first confirm that the operational safety of the chromatograph is not influenced by the accessory. Without this approval, we will not accept any liability for the operational safety.

1SICHERH.CHP, Stand Dezember 22, 1999

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Symbols and abbreviations

Symbols and abbreviations used in this manual

Name Symbol Abbreviation Remarks

Symbols and abbreviations

Pressure regulator

Pressure converter

Manometer MA

Restrictor DB with and without

Needle valve NV with Teflon or

Capillary DS

Solenoid valve MV closed when

Solenoid valve MV open when

Absorber

Preliminary column

Main column HS

Detectors

Flame ionization dete ctor Electron capture detec tor Flame photometric dete ctor Thermal conductivity detect or Oxygen-selective detektor, modified FID Helium ionization detect or

class specifica tion

graphite gasket

de-energized

FID ECD FPD

WLD

O-FID

HeD

Injectors

Liquid injection valve Gas injection valve

FDV

GDV

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Explosion protection

EXPLOSION PROTECTION

The installation and operation of electrical equipment in potentially explosive atmospheres is subject to regulations. These regulations refer to the general rules applicable in technological applications.

Temperature class

To ensure retention of the temperature class, the heated components of the chromatograph are protected by temperature limiters. The temperature limiters must be reset manually in the event of an error: open the door to the electronics area and press the corresponding red button.

Special fittings

Some chromatographs are provided by us with special fittings according to customer requirements. The conditions for special fittings are regulated in § 10 of Elex V:

If an electrical unit has been specially manufactured for a particular operation, it must not be used until the authorized inspector has established that it complies with the requirements of this reg ulation and has provided a certificate on the result of this test.

This test can be carried out at the same time as the test which must be carried out anyway before the chromatograph is used for the first time.

WARNING: The test cert ificate for your classifi ed chromatograph only applies to the original configuration and to the connection and installation according to the Siemens circuit diagrams and piping diagrams. The classified protection for your device is cancelled if the configuration or ignition class of one of more components is changed.

Following conversions and maintenance on components relevant to the explosion protection the chromatograph must be certified again by an authorized inspector.

WARNING: An explosio n may occur if t he electron ics door is opened too soon because of hot components and resid ual electrical cha rges in the chromatograph. An appropriate warning label is present on the door!

Isolating relay

An isolating relay must be interconnected if signal contacts of the chromatograph supplied by an external source are used in a division 1 area. These isolating relays are positioned on the left in the electronics area (type of protection e) and are switched by the safety monitoring equipment.

Opening the electronics door

Before opening the electronics door in a division 1 area, it is essential to switch off the power supply and to then wait for at least 5 minutes.

Conditions

The conformity certificate with its supplements contains all conditions specified by the authorized inspector for the installation and operation of the chromatograph.

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Explosion protection

PRESSURIZED ENCLOSURE, SWITCHING ON THE CHROMATOGRAPH

The electronics area of the chromatograph is pressurized. It is constantly purged with a non-inflammable gas to prevent explosive gas from entering this area.

The power supply to the chromatograph must only be switched on when the electronics area has been sufficiently purged. An automatic feature ensures this is the case in a division 1 area. In a division 2 area, you must switch on the chromatograph yourself once you have assessed that the electronics area has been sufficiently purged.

Control panel

PURGE

OFF

READY

Bypass

Pressure/flow monitor

Starting the automatic purging time

Switch on the external power switch. The excess pressure is produc ed in th e chroma tograph. The purging time commences once the purging pressure has been produced and the flow is sufficient. The Purge lamp lights up while purging time. Once the pu rging t ime has ex pired and t he ON/OFF pushbutton is at

at the same time, the purging

time controller switches the power supply to the chromatograph, to the control room panel and to the isolating relay via a contactor. The purging valve is switched over such that only losses resulting from leaks are compensated. The Purge lamp goes out. The Ready lamp lights up if the ON/OFF pushbut- ton is at

OFF

. The purging time controller switches off the power supply if the pressure in the housing becomes too low or too high. A new purging procedure commences.

Key switch, bypassing of purging time controller

For certain maintenance operations it is necessary to open the electronics door without switching off the chromatograph. You must first possess an appropriate permit. Then set the key switch to Bypass before opening the electronics door.

NOTE:

The power supply to the chromatograph is switche d on immediately if you set the key switch to the purging time controller!

Bypass

and then switch on

Purging gas valve

WARNING: Never activate the key switch before an expert has guaranteed that the atmosphere at the chromatograph location does not present an explosion hazard and will remain so for the duration of the maintenance work (permit!). We recommend that you install a gas warning device in the vicinity of the chromatograph during the maintenance work.

Purging time monitoring unit

The monitoring unit is fitted in the electronics area of the explosion-proof chromatograph. It has been especially adapted for this purpose. All parts are explosionproof and must be w ired according to Siemens circuit diagrams, otherwise the explosion protection is cancelled.

The set purging time is also part of the explosion protection. The explosion protection is cancelled if the settings are changed.

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Explosion protection

DESIGN OF THE CLASSIFIED

PGC 302

There are three different areas in the chromatograph with respect to the explosion protection:

Pressurized area

This includes the electronics area, the mounting shaft behind the analyzer section, the connections of the oven heating cartridge and the connection cables of the FID.

Carrier gas H Switching valves for carrier gas H

must never be passed into this area.

must therefore be

fitted outside this area: classified solenoid valve in the mounting area, or pneumatically-controlled slide valve.

Flameproof area

The housings can resist an internal explosion pressure. Flames are not released because they are cooled down below the ignition class temperature on their way out. These include the FID, TCD and solenoid valves.

Potentially explosive atmosphere

The surface temperatures in the oven area and the mounting area above the oven are limited to temperature class.

Electronics

Detector,

Pressurized area

flameproof

Heaters

Oven

Degrees of protection used

A rating plate which specifies the degrees of protection is present on the housing of your classified chromatograph:

Electronics area EEx pe IIB+H2 Oven heater EEx pd IIB+H FID EEx dp IIB+H TCD EEx de IIB+H FDV EEx pd IIB+H FPD EEx pd IIC T3/T4 Detector heater EEx pd IIB+H Heated line EEx p IIB+H Solenoid valve for H

and flammable samples EEx de IIB+H2 T5 Safety monitoring unit EEx de[ib] IIC T4

T2/T3/T4

T3/T4

T2/T3/T4

T3/T4

Heaters for oven, liquid injection valve and heated line

Each heater contains a temperature limiter in addition to a heating cartridge and temperature sensor. The limiter switches the heater off shortly before the ignition class temperature is violated.

The electrical connections have a pressu rized enclo sure. They are routed into the mounting shaft via a purged tube. Exhaust openings in the flange ensure good ventilation.

Solenoid valve for carrie r gas H

The solenoid valve is classified. The connection cables are potted.

Classified FID

The detector has no own heater and is classified. The gas inlets and outlets act as flame barriers. They prevent sparks from passing outside the heating chamber.

The electrical connections have a pressu rized enclo sure. They are routed into the mounting shaft via a purged tube. Exhaust openings in the flange ensure good ventilation.

Classified TCD

The detector has its own heater and is classified. The gas inlets and outlets act as flame barriers. They prevent sparks from passing outside the measuring chamber. The electrical connections are present in a classified junction box.

A temperature limiter is fitted in the detector housing because the bridge current additionally heats the detector. The limiter switches off the bridge current shortly before the ignition class temperature is reached.

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Page 12

MAINTENANCE OF CLASSIFIED PARTS

According to regulations, the following operations must only be carried out by:

1 Experienced Siemens maintenance specialists on

the user’s premises

2 User’s maintenance personnel with assessment by

authorized inspector according to regulations

SIEMENS

diagram

4 Factory of respective manufactu rer

factory according to manufacturing

Explosion protection

WARNING: The regulations must be observed during maintenance and repairs! According to the regulations for maintenance on components relevant to the explosion protection, work is only permissible in line with the table below.

Part

Adjustment Replacement

Upgrading

Repair Limitations

Notes

Purging time monitoring equipment 1 2 4 1 2 4 Classified solenoid valves 1 2 (1) (2) (Clean valve) Restrictors for protective gas 3 1 2 3 Heater for oven, F DV, line 1 2 Temperature limiter 1 2 3+4 1 2 Temperature class, modify limiter type (1) (2) 3 (Advice from 3) Diaphragm valve Permissible

temperatu re ≤ 160 °C

TCD 1 2 3 FID 1 2 1 2 Methanizer (1) 2 3 (w. expert’s opinion) Window, electronics do or lock 1 2 Classified cable gland,

Cassified terminals Purging hose for protective gas 1 2 1 2 Gaskets for pressurized inclosure 1 2 Fuses for classified solenoid valves 1 2 Isolating relay: Modex, line contactor 1 2 Isolating amplifier 1 2 4

Numbers in brackets refer to notes in brackets.

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Page 14

Contents

THE SOFTWARE

Page

(basic input output system) . . . . . . . . . . . 2

BIOS

Operating system . . . . . . . . . . . . . . . . . . . 2

Specific software . . . . . . . . . . . . . . . . . . . 2

Software in the chromatograph

. . . . . . . . . . . . . . . . . . . . . . . . . . 3

BIOS

Control software, interface drivers . . . . . . . . . . 3

Software in the control unit

Installation program . . . . . . . . . . . . . . . . . . 3

Control software, interface drivers . . . . . . . . . . 3

Configuration . . . . . . . . . . . . . . . . . . . . . 3

Screen operations . . . . . . . . . . . . . . . . . . . 3

Supplementary software . . . . . . . . . . . . . . . . 3

Server link . . . . . . . . . . . . . . . . . . . . . . . 3

Software in the server

Server software . . . . . . . . . . . . . . . . . . . . 4

Interface drivers for coupli ng mo dules . . . . . . . . 4

Page

INSTALLATION OF SOFTWARE

Generation of backup copies . . . . . . . . . . . . 10

Latest information on software . . . . . . . . . . . 10

Installation of operating software and configuration

Parameterization of control unit . . . . . . . . . 11

Transmission rate . . . . . . . . . . . . . . . . . . 11

Number of chr omatographs in ChromLAN . . . . 11

Use of printer on control unit

for results and alarms . . . . . . . . . . . . . . . . 11

Synchroniz at ion of date and time . . . . . . . . . . 11

Parameterization of number of

reports/chromatograms on the control unit . . . . . 11

Optimizing memory in the control unit . . . . . 12

Checking the memory assignments . . . . . . . . . 12

The various types of memory . . . . . . . . . . . . 13

Optimization of hard disk in the control unit . . . 13

. . . . . . . 11

Software in the control system

IBM

THE

What happens when switching on . . . . . . . . . . 6

The MS-DOS operating sy stem . . . . . . . . . . . . 6

The CONFIG.SYS file . . . . . . . . . . . . . . . . 6

The AUTOEXEC.BAT file . . . . . . . . . . . . . . 6

Directories . . . . . . . . . . . . . . . . . . . . . . . 6

Working with subdirectories . . . . . . . . . . . . . 7

Files . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Path . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

-COMPATIBLE PC

. . . . . 4

The directories on the control unit

BEDI directory . . . . . . . . . . . . . . . . . . . . . 8

KONFIG directory . . . . . . . . . . . . . . . . . . . 8

METH directory . . . . . . . . . . . . . . . . . . . . 8

PGCARCH directory . . . . . . . . . . . . . . . . . 8

PCPU-2 directory . . . . . . . . . . . . . . . . . . . 9

The directories on the server

SERV directory . . . . . . . . . . . . . . . . . . . . 9

SERV\DF32 directory . . . . . . . . . . . . . . . . . 9

SERV\DF32\SSnn directories . . . . . . . . . . . . . 9

PCBEDI directory . . . . . . . . . . . . . . . . . . . 9

Installation of control software Installation of server software

. . . . 14

. . . . 15

STARTING THE SOFTWARE

Starting the operating software or GCLAN . . . . 16

Calling the configuration . . . . . . . . . . . . . . 16

Starting the server software . . . . . . . . . . . . . 16

A us eful batch file . . . . . . . . . . . . . . . . . . 16

BEDI and Windows . . . . . . . . . . . . . . . . . 16

PROBLEMS AND ERRORS

Faulty communication

with the chromatograph . . . . . . . . . . . . . . . 18

Testing the PCPU-2 . . . . . . . . . . . . . . . . . 19

NETWORKING

People use a telephone! . . . . . . . . . . . . . . . 20

Chromatographs use interfaces . . . . . . . . . . . 20

How are characters transmitted? . . . . . . . . . . 21

Parallel interface . . . . . . . . . . . . . . . . . . 21

Serial interface . . . . . . . . . . . . . . . . . . . 21

Various serial interfaces . . . . . . . . . . . . . . . 22

Various componen ts fo r networking . . . . . . . . 23

Examples of networking . . . . . . . . . . . . . . 24

MODBUS coupling . . . . . . . . . . . . . . . . . 25

TELEPERM coupling . . . . . . . . . . . . . . . . 25

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Page 15

The software

THE SOFTWARE

Modern chromatographs are controlled by microprocessors which require software containing information on what they have to do. In most computers, the software is divided into several levels:

BIOS Operating system Specific software.

BIOS

(basic input output system)

The tronic environment. It contains elementary functions which are typical for a specific application and which always remain unchan ged. Ex amples in the case of personal computers include e.g. output characters on screen, recognize pressed keys. In the case of chromatographs, these include e.g. selftest, receive control software via inte rface, prog ram flash

Operating system

The operating system is a collection of programs which control the more complex functions of the computer. In the case of personal computers, these include e.g. format diskettes, interface control, print.

matches the processor to its respective elec-

BIOS

EPROM

Chromatographs

Control-PC

Color

VGA

386/33

Server-PC

Color

VGA

386/33

BIOS Control software

- process

- laboratory Interface drivers

BIOS MS-DOS 5.0 Control softw. + loader Configuration Operation

- ChromLAN

- Multitasking

- Printer spooler Server coupling

BIOS MS-DOS 5.0 Reduced operation with

- ChromLAN

- Multitasking

- Printer spooler Server software with

- Settings Interface drivers

Coupling modules for PCs

Specific software

These are the functions for which you have really purchased a computer. For example, wo rd processing with personal computers, or valve control, data processing etc. in the case of chromatographs.

DF32 DF20

Interface drivers

Process control systems

* Teleperm M * Simatic S5 * Honeywell TDC3000

Data address lists

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Page 16

The software

SOFTWARE IN THE CHROMATOGRAPH

The chromatograph can carry out analyses automatically without a control unit being connected. To achieve this, you must

Load the control software and interface driver Configure the system Load the methods Set the analysis parameters.

BIOS

The computer in the chromatograph is called has two

EPROM

s which contain the BIOS.

PCPU-2

. It

Control software, interface drive rs

There are flash

EPROM

software and the interface drivers. Flash be electrically deleted and programmed directly in the chromatograph.

The control software and th e interface drivers mu st be loaded from the control computer into the chromatograph via a serial interface. Software updates can be carried out very simply in this manner.

s on the

PCPU-2

for the contro l

EPROM

s can

Control software, interface drive rs

The control software for the chromatograph is stored on the control computer in order to be able to subsequently load it into the chromatograph.

Configuration

The configuration is used to set the elementary parameters for the chromatograph. These are the parameters which are not often changed, e.g. chromatograph type, module designation or valve names.

Screen operations

Operation does not only mean the generation of colourful pictures. Programs are also required which are responsible for the invisible procedures in the control computer:

Network software Network initialization Multitasking Stores information onto the hard disk in the background. This information is obtained from the chromatographs via chromatograms, status. Printer spooler Passes information on to the printer in the background. This information is obtained from the chromatographs via ChromLAN, e.g. analytical results or status information.

ChromLAN

PGCRES

ChromLAN

LPRINT

INITCHRO

, e.g. analytical results,

CPRINT

SOFTWARE IN THE CONTROL UNIT

Every

BIOS

system must be installed on the hard disk.

Further software which is supplied on several diskettes or already installed on the hard disk is required to convert the personal computer into a chromatograph control unit:

Installation program Control software and interface drivers Configuration Screen operation with If applicable, supplementary software such as

GCLAN, GCARCHIV

If applicable, further special interface drivers If applicable, server coupling

-compatible personal computer has the

IBM

in built-in

EPROM

s. The

ChromLAN

MS-DOS

operating

Installation program

The first diskette contains the inst allation program. This is used:

To install the software on the control computer To load the control software with interface drivers into the chromatograph. You can select either laboratory or process versions, and the use of the interfaces.

Supplementary software

The software packages

GCLAN

supplied on separate diskettes. The installation program also copies these programs onto the control computer.

and

GCARCHIV

are

Server link

An additional interface driver is required in ChromLAN networks with servers to link the control unit to the server. The driver is called

D3964R

protocol on

ChromLAN

and uses the

TELI

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Page 17

The software

SOFTWARE IN THE SERVER

Server PCs can be used e.g. to connect several control units to a ChromLAN loop. Servers can also reduce the load on the control computer if many chromatographs are connected.

At least one coupling module must be installed to convert the PC into a server, and additional software is required. This is supplied on diskettes or already installed on the hard disk:

Server softwa re Interface dr iver

Server software

The server software is supplied on a diskette which contains a program to install this diskette on the server.

The server software communicates with the chromatographs, control system and control unit via the interfaces of the coupling modules. The software collects data from the chromatographs and passes them on to the control unit or control system.

The server software must be assigned parameters. These settings are then stored in parameter files.

Interface drivers for coupling modules

At least one coupling module must be installed in the server. The module has two serial interfaces. Each module has a diskette with interface drivers:

Coupling to a control unit or the

protocol. This driver is called

D3964R

TELEPERM M

Coupling to a control system with the protocol. This driver is called

UNIDRV

using

COMDRV

MODBUS

The coupling module and diskette belong together and only function if they have the same serial number!

SOFTWARE IN THE CONTROL SYSTEM

The chromatograph information is stored in data structures in the control system. Data address lists must be declared when configuring so that the control system can assign thes e data.

2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 18

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2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 19

The software

The softwareThe software

The

-COMPATIBLE PC

IBM

Fundamentals are handled here which must be observed when working with

-compatible com-

IBM

puters. You can find further detailed information in the User’s Manual of your computer and in appropriate literature.

What happens when switching on

The computer contains an tains the elementary functions which must be executed when the computer is switched on. These functions are: recognition of keyboard, provision of screen output, starting of hard disk or diskette drive.

The operatin g system ( hard disk or diskette. The computer then becomes a little intelligent. For example, you can now copy, delete or print files.

Special programs are additionally required for specific tasks, e.g. a text editor, a database system or the chromatograph control program.

Once the operating system has been loaded, a prompt appears on the screen, e.g.

C:>

Two files are very important whilst the operating system is being loaded: autoexec.bat and config.sys.

EPROM (BIOS

MS-DOS

) is then loaded from the

) which con-

The CONFIG.SYS file

This file contains information for the operating system. You will probably never change this file. It could be the case, howeve r, that its information is incomplete or incorrect. It should at least contain:

buffers=30 files=30 device=c:\dos\himem.sys device=c:\dos\emm386.exe noems dos=high,umb country=001,,c:\dos\country.sys

The AUTOEXEC.BAT file

This file contains commands which are automatically executed as soon as t he ope rat ing sy stem is load ed. Th e following contents are typical, but not binding:

path=c:\;c:\dos lh keyb us,,c:\dos\keyboard.sys prompt $p$g cd \bedi

In this case a path is generated, the American keyboard driver is loaded, and the prompt of

MS-DOS

ized. The directory \bedi is then selected. You can also ente r the name of you r user program here

at the end (e.g.

). This operating software is then

BEDI

started automatically when you switch on your computer.

emphas-

The MS-DOS operating system

The operating system is a collection of programs which control the b asic operat ions of the com puter. Examples of operating system files include:

COMMAND.COM CONFIG.SYS ANSI.SYS APPEND.COM AUTOEXEC.BAT CHKDSK.EXE DISKCOPY.EXE EDLIN.EXE FORMAT.COM MODE.EXE PRINT.EXE XCOPY.EXE

MS-DOS command processor Operating system configuration System file Defines fi le pat h Batch file for switching on Checks diskettes Copies diskettes Small editor Formats disk ette s Controls interfaces Prints in background Copies directories/files

Directories

A directory structure is produced on the co ntrol computer. Directories can be compared with files in a cabinet. The filing cabinet corresponds to the hard disk c:. A directory can be divided into sub directories.

When and why the chromatograph software generates the directories in this manner is explained further below.

\BEDI \KONFIG \PCPU-2 \DRIVER1

\DRIVER2 \DRIVER3 \DRIVER4

\METH \CUMOL

\TEST \4801 \WACHS

\PGCARCH \GC0101

\GC0102 \GC0103 : \GC0115 \GC0201 \GC0202 : \GC0215

2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 20

The software

Working with subdirectories

You must be acquainted with a number of functions so that you can organize your files meaningfully in hierarchical dire ctori es:

Generation of subdirectories Deletion of subdirectories Changing from root dir ectory to a subdirectory.

Generation of subdirectories

If you enter the command

MD CUMOL

c:\meth, for example, you generate a sub-subdirectory cumol in the subdirectory meth. The complete name of this sub-subdirectory is c:\meth\cu mol.

Deletion of subdirectories

If you enter the command

RD CUMOL

c:\meth, for example, you delete the subdirectory cumol. Prerequisite: no files or further subdirectories

may be present in the directory cumol. You are thus prevented from deleting files by mistake which you have forgotten.

Changing directories

If you enter th e co mm an d

CD CUMOL

c:\meth, f or example, you change to th e sub-subdirectory cu mol. Please note:

You can change forwards e.g. from the root directory to the subdirectory c:\meth using

CD \METH

. You can ch ange backwa rds e.g. fro m the sub- subdirectory c:\meth \cumol to the subdirectory c:\meth using

CD \METH

only.

in the directory

in the subdirectory

CD METH

Files

Files are present in all directories and have names such as e.g. konfig.exe. The dot may be preceded by up to eight letters. These help the user to find his file.

The dot can be followed by up to three letters which identify the extension. These letters are used to classify the files. Certain extensions have a fixed meaning:

These are programs which can be called by t yping their

EXE

name.

Example: konfig.exe

Return

[ These are programs similar to the

COM

These are files in which commands are stored which

BAT

would otherwise have to be entered at the DOS level itself.

Example:

commands:

The file k.bat is started by typing: k [ results in starting of the configurati on software

] .

A file

can be started by typing: konfig

.exe

files.

k.bat

could contain the following

cd \konfig konfig cd \bedi cls

Return

]. This

Path

Files can only be reached using their names if they are present in the curren t direc tory. For example, if you are in the directory c:\ and wish to start the file bedi.bat in the directory \bedi, you must either first change to the directory \bedi or enter the name with its path: \bedi\bedi. Examples:

You must always enter the backslash ("\") if you wish to change backwards or across from subdirectories. Because the backslash is difficult to find on some computers, here is a trick: you can also move backwards by one subdirectory at a time using the command

CD..

You can omit the backslash in the forward direction. Example: you can change from the directory c:\meth\cumol to the directory c:\pgcarch\gc0102 if you enter:

c:\meth\cumol> c:\meth> c:\>

cd pgcarch

c:\pgcarch> c:\pgcarch\gc0102>

NOTE:

The bold directory you are currently in. This only functions if t he command

MS-DOS

prompt in the above example shows which

prompt $p$g

is entered in the file autoexec.bat!

cd..

cd gc0102

c:\ \bedi

\bedi\koli.dbf

This is the root directory This is a subdirectory, but could also

be the file This is a file in the subdirect ory

bedi

in the main directory.

2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 21

The software

THE DIRECTORIES ON THE CONTROL UNIT

The software is always installed on the hard disk c:. A directory structure results with the following subdirectories:

\BEDI \USER

\PLOT \KONFIG \PCPU-2 \DRIVER1

\DRIVER2

\DRIVER3

\DRIVER4 \METH \CUMOL

\TEST

\4801

\WACHS \PGCARCH \GC0101

\GC0102

\GC0103

\GC0115

\GC0201

\GC0202

\GC0215

BEDI directory

The directory \bedi contains all files required by the operating software. These included the program files, inter alia:

CHROM.EXE CHROMLAN.EXE INITCHRO.EXE LPRINT.EXE PGCREINT.EXE PGCRES.EXE X.EXE

Also included, amongst others, are screen drivers, display texts, info texts, working databases, databases for describing displays, and ind ex files.

Chromatograph display Communication ChromLAN initialization Printer spooler Reintegration Multitasking User interface

KONFIG directory

The directory \konfig contains all files required by the configuration software. The configuration is always effective on methods present in the dir ectory \meth.

METH directory

The directory \meth contains a subdirectory for each method, e.g. \meth\cumol. This subdirectory contains all files belonging to this method. The number of files depends on the complexity of the method. The following files must always be present:

INSTPGC.DBF INSTPU. MEM CFAE.TXT CFG.TXT CFGAO.TXT CFGDO.TXT CFGPRN.TXT CFTEMP.TXT TELIA.TXT

Method contents directory Analysis parameters Configuration of A/D converter Configuration of device type Configuration of analog outputs Configuration of digital outputs Configuration of printer Config. of temperature controller Time events program A

Usually present:

KALIA.TXT KOLIA.TXT REPORTx.BAS

Calibration list A Component list A Basic programs for report

PGCARCH directory

The directory \pgcarch always contains 30 subdirectories \gc0101 ... \gc0215. Report files and raw data files of the corresponding chromatograph are saved in the subdirectories, e.g. for the third chromatograph at the serial interface com1: in subdirectory \pgcarch\gc0103.

In addition, the directory \pgcarch always contains the files

ALARMREP.STA GCACTPAR.DAT GCPAR.INI

The number o f an al y ses to be sto re d pe r ch ro ma tog ra ph is defined when starting the operating software.

Total status of network Current parameters Initialization parameters

BEDI\USER directory

An item User program appears in the selection display if a file USER.EXE is p resent in this directory. You can start your program USER.EXE from there.

BEDI\PLOT directory

This directory contains files for automatic printing of chromatographs and results following every analysis.

2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 22

The software

PCPU-2 directory

The directo ry \pcpu-2 con tains all files required to load the control software and the interface drivers into the chromatograph.

INSTALL.EXE LDR.BAT LOADER.EXE CHROMLAN.EXE INITCHRO.EXE PCPU-2L.HEX

PCPU-2P.HEX

The directory \pcpu-2 contains four subdirectories \driver1 ... \driver4. These subdirectories store all inter-

face drivers for the fou r serial interface s of the

UNIDRVx.HEX 232CLANx.HEX 485CLANx.HEX

Copies files onto hard disk Installs ChromLAN Programs the PCPU-2 Communication ChromLAN initialization Chromatograph control software,

laboratory Chromatograph control software,

process

PCPU-2

TTY/RS232 driver RS232 driver RS485 driver

THE DIRECTORIES ON THE SERVER

The software is always installed on the hard disk c:. A directory structure results with the following subdirectories:

C: \SERV

\DF32 \SS11 \SS12 \SS13 \SS14

\PCBEDI

SERV directory

The directory \serv contains all files required by the server software. These include the server software itself and its parameter files.

SERV.EXE SERV.BAT SERVER.CFG GRAPH.CFG PGC_IN.CFG

Server software Start file for the server software Password, interface parameters Recorder ranges for trend Address list of measured

components

SERV\DF32 directory

The directory \serv\df32 contains the board drivers for the coupling modules.

SERV\DF32\SSnn directories

The directories \serv\df32\ss11 ... ss22 contain the respective interface drivers. The subdirectories ss11 and ss12 or ss21 and ss22 correspond to the pairs of inter- faces of the coupling modules (max. 2).

UNIDRV COMDRV

Modbus driver D3964R driver

PCBEDI directory

The directory \pcbedi serves as an intermediate memory for the chromatograph status, printer information and analyt ical r esult s.

2SOFTWAR.CHP, Stand Dezember 22, 1999

Page 23

Installation of software

INSTALLATION OF SOFTWARE

Together with the chromatograph you were provided with four diskettes with 3.5" format:

Operation BEDI V50_1 and BEDI V50_2 Configuration KONF V50_1 Control software PCPU V50_1

Operation and configuration contain software for the control unit, the control software must be loaded into the chromatograph.

Generation of backup copies

Produce a copy of all diskettes. The diskettes are not copy-protected. Use the copies as your working diskettes. Store the original diskettes in a safe place.

First check the file BEDI.BAT

The file

BEDI.BAT

operating software. If you made changes to the old version

BEDI.BAT

the new

BEDI.BAT

program for result s RPArchiv .

is regenerated when you update the

, these changes must again be entered in

. An example of this is our storage

Latest information on software

It is often the case that changes are made to the scope of delivery or to individual program functions after editing of the manuals has been completed. Additional information may therefore be present on the installation diskettes. Please observe the message displayed on the screen at the end of the installation. It is particularly important

if you have alre ady used an older software version or if you require information on the latest software functions.

Once you have successfully terminated the installation, you should load the file

MS-DOS

It is advisable to print this file and to include it amongst your documentation.

README.TXT

editor and read it carefully.

using the

The commands in

Following installation, the file

BEDI.BAT

lows:

set clipper=/E:0 lh chromlan z30 a38400 initchro 1 0 if errorlevel 1 goto exit lh pgcres c: z0 x10 y10 v0 cd c:\bedi lh lprint c500 call lan (or call switch) :exit

The meaning of the program names

ChromLAN

Resident program for communication between chromatograph an d control unit

INITCHRO

Checks how many chromatographs are connected to the control unit

PGCRES

Resident program, fetches cyclically from the chromatograph: status, result and raw data

LPRINT

and

CPRINT

LAN

Resident program for printing result, chromatogram and

Produces the coloured screens for network summary and operation

SWITCH

Produces the coloured screens for operation

appears as fol-

texts

BASIC

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 24

Installation of sof tware

INSTALLAT ION OF OPER ATING SOFTWARE AND CONFIGURATION

Insert the diskette BEDI V50_1 into drive a:, and then type

a:install

RETURN

The installation program is then activated and expects the following inputs:

Operating language Colour setting for the screen New installation, modify settings or install options? Select New installation The file config.sys is checked and modified if necessary. The old file is retained as config.old Source drive for the installation diskettes. The destination drive is always c: Also install

GCLAN

and

GCARCHIV

? Only select

YES if you have actually purchased these programs.

The installation program then creates the directories and copies all required files into the control unit. You will be asked to insert further diskettes into drive a:. The installation program then expects the following inputs:

Interface on cont rol u nit fo r Chro mLAN Transmission rate for ChromLAN Number of chromatographs per interface Is the printer on the control unit to be used for results and alarm s? Are the date and time to be synchronized automatically in the chromatograph? Number of r eports and chromatogram s on the control unit

Parameterization of control unit

You can subsequently set the parameters in the control unit. The operating software must be left in order to modify the parameters. Type:

cd \bedi install

The installation program is activated an d asks whether you wish to carry out a new installation, to modify settings or to install options. Select Modify settings. Modify the desired parameters, and then leave the installation program.

IMPORTANT: The control unit must be reset when the parameters have been modified in order to activate the new parameters!!

RETURN

Transmission rate

You can set different baud rates for the two serial interfaces of the control unit. Please note that it is not possible to use every baud rate for every type of interface (see Networking).

Number of chromatographs in ChromLAN

Each time the operating software is started, you must check the numbe r of chrom atograp hs whic h are presen t in the ChromLAN. The operating software can only recognize that a chromatograph is not present in that a monitoring time expires. This takes quite a time for the maximum number of chromatographs.

To avoid unnecessary waiting, enter the actual number of chromatographs in the network.

IMPORTANT: Chromatographs must only be entered for an interface if at least one chromatog raph is connected there! Ot herw ise the oper atin g softw are is blocked.

Use of printer on control unit for results and alarms

The print information is stored in files if the printer fails e.g. because the paper has run out.

Problems may occur if you enter Use printer even though a printer is not present since a huge file is generated on the hard disk for each chromatograph.

Synchronization of date and time

Chromatographs with PCPU-2 no longer have a clock with battery backup! Following a power failure, the chromatograph clo ck is set to 1.1. 1980 , 0:00. The chromatograph clock can b e synchronize d with the clock of the control unit, however. The control unit must be permanently connected to the chromatograph in this case.

Number of reports/chromatograms on the control unit

Do not select too many files, otherwise the computer will become slow.

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 25

Installation of software

OPTIMIZING THE MAIN MEMORY IN THE CONTROL UNIT

In certain operating situations, the operating software requires almost the complete conventional memory of 640 kB. To ensure tha t the oper ating sof tware is executed correctly, all TSR programs should be loaded into the upper memory area as far as possible.

NOTE:

If the space in the

Not enough memory

message the operating software a re used, or may possibly already appear when the operating software is sta rted.

conventional memory

is output if certain functions of

is insufficient, the

The following steps are necessary if you wish to optimally use the memory of the control unit. Theoretical considerations ar e shown on the next page and in your

MS-DOS

manual! The measures only function with PCs

with an 80386 processor or higher.

1st step: Make all types of memory av ailable

The following lines should be present in the file

CONFIG.SYS

CAUTION:

If the path

CONFIG.SYS

not change this! If further parameters are present in your file

noems

, at the beginning if at all possible:

device=c:\dos\himem.sys device=c:\dos\emm386.exe noems dos=high,umb

\windows\

, you should not change this!

is present instead of

prior to

himem.sys

emm386.exe

\dos\

in your file

, you should

CONFIG.SYS

after

Example of

If your file

AUTOEXEC.BAT

contains e.g. a line

keyb gr,,c:\dos\keyboard.sys

change it into

lh keyb gr,,c:\dos\keyboard.sys

3rd step: Reset control unit

Your modifications only become effective when the control unit is restarted! Simultaneously press and hold the keys and , and then press the key in

ALT CTRL DEL

addition.

4th step: Checking the memory assignmen ts

The

command

DOS

assignments of your control unit. Type the following command after the

c:>

With

MS-DOS

c:>

Please observe the vertical line (ASCII 124) in front of more.

How can you recognize whether your modifications were successful?

The result is correc t if on ly a few pro grams ar e presen t in the conventional memory and many programs have been loaded into the high memory. The reply to the mem command could then appear as follows, for example:

MEM

indicates the current memory

prompt:

DOS

mem /c /p

RETURN

versions < 6.2, type:

mem /c |more

RETURN

2nd step: Load TSR programs into the upper memory are a

It is necessary

to use the command devicehigh= instead of device= in the file to use the command loadhigh or its abbreviation lh in front of program names in the file

EXEC.BAT

Example of

If your file

change it into

CAUTION:

devicehigh emm386.exe

ting

CONFIG.SYS

device=c:\dos\setver.exe

devicehigh=c:\dos\setver.exe

must not be used in the lines

because these lines are responsible for permit-

devicehigh

contains e.g. a line

to be used!

himem.sys

AUTO-

and

Modules which use the memory below 1 MB: Name Total = Conventional + High memory MSDOS

HIMEM EMM386 COMMAND SETVER RAMDRIVE VSAFE SMARTDRV GRKBD DOSKEY LMOUSE EVESA Vacant

Memory summary: Memory type Total = Used + Vacant Conventional

High Reserved Expanded (XMS)

Total memory Total below 1 MB

Maximum size for executable program Largest vacant block in high memory area

MS-DOS is resident in the high memory area.

15,389 1,120 3,136 3,792 832 1,232 22,880 29,024 2,192 4,144 16,112 4,144 709,328

(15K) (1K) (3K) (4K) (1K) (1K) (22K) (28K) (2K) (4K) (16K) (4K) (693K)

15,389 1,120 3,136 3,792 0 0 0 0 0 0 0 0 631,536

655,360 158,352 393,216 7,181,680

8,388,608 813,712

(15K) (1K) (3K) (4K) (0K) (0K) (0K) (0K) (0K) (0K) (0K) (0K) (617K)

0 0 0 0 832 1,232 22,880 29,024 2,192 4,144 16,112 4,144 77,792

23,824 80,560 393,216 4,444,528

4,942,128 104,384 631,440

77,728

(0K) (0K) (0K) (0K) (1K) (1K) (22K) (28K) (2K) (4K) (16K) (4K) (76K)

631,536 77,792 0 2,737,152

3,446,480 709,328 (617K)

(76K)

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 26

Installation of sof tware

5th step: Changing BEDI.BAT or SIM.BAT

Supplement your file

BEDI.BAT

following first line if it is not already present (the last charact er is a zero!) :

set clipper=/E:0

If your file

BEDI.BAT

or the command lh, enter this for Chrom

LAN, PGCRES

PGCSIM

You can find more details on this in this section under

Installation of software: First check the file

IMPORTANT: If you change the files

AUTOEXEC.BAT

, it may be the case that your computer no longer operates correctly! You should have a boot diskette available for such a case.

Starting from key pressed whilst you boot the

MS-DOS

6.2, you can keep the

computer. Critical commands in the modified files can then be bypassed.

Before you change anything, you should save the two files under a different name, or print them out.

If you are not quite sure:

Do not delete any lines Do not insert any lines Do not change any lines Only check the file described under 1st step Only supplement the commands lh and devicehigh in the files

AUTOEXEC.BAT

SIM.BAT

and

CONFIG.SYS

SIM.BAT

does not contain

LPRINT/CPRINT

SIMRES

NOTE:

The parameter I in areas in the UMA to be release d. Please refe r to your manual. Example: puters. The corresponding line is:

device=c:\dos\emm386.exe i=e000-efff noems

Caution: you must first determine which memory areas are actually unused in the UMA.

In exceptional cases, it is necessary to use the parameter RAM instead of NOEMS. This is necessary if older programs are used which require the expanded memory. EMM386 then simulates this type of memory.

EMM386.EXE

I=E000-EFFF

permits additional memory

works with almost all com-

by the

BEDI.BAT

and

MS-DOS

The various types of memory

-compatible computers have been subject to many

IBM

years of development. It is therefore difficult to keep a track of everything. The table below is provided to help you in this respect.

The main memory in the PC

Designation Abbreviation Size

Anzahl Report auf de Bedien

Conventional memory 640 kB

Programs executed under DOS normally use only this memory. They cannot recognize addresses above the 640 kB li mit.

Upper memory area UMA 384 kB Contains, inter alia , drivers for the scr een, but memory ar eas are

almost always still vacant. They are ca lled UMB = upper memory blocks.

Externally resident programs, and a number of programs from the operating software, can be loade d into this memory are a using the command lh.

Extended memory XMS Commences with 1 MB Is only used by a number of programs, e.g. cache programs or

Windows. High memory area HMA 64 kB This is the first 64 kB of the XMS. Parts of DOS can be loade d

up into this area. Expanded memory EMS Max. 32 MB Requires an expanded memory board and a driver which is

provided with this board. Also functions with XTs because accessing is carried out using page frames of 64 kB which are inserted into the upper memory area (UMA). This is slow, however, and should only be used nowadays if an old(!) program can only use the EMS. This is hardly the case any more.

gerät Anzahl

Chrom togramm

OPTIMIZATION OF HARD DISK IN THE CONTROL UNIT

New files are constantly being stored on the hard disk of your control unit: result reports, chromatogram d ata and temporary files.

MS-DOS

into one block on the disk, it d ivides them into respectively available areas. This division increases as the operating period increases. The access to data may then become so slow that communication with the chromatograph no longer functions correctly.

It is therefore necessary to defragment the hard disk every now and then on every was previously necessary to use sep arate prog rams, e.g.

PCTOOLS

tains the programs the

. From version 6.2 onwards,

SCANDISK

prompt, type

DOS

c:>

scandisk c:

c:>

defrag c: /f

Does not write these files

-compatible PC. It

IBM

con-

. Following

and

MS-DOS

DEFRAG

RETURN RETURN

2SWINSTA.CHP, Stand Dezember 22, 1999

You can find more details in your

MS-DOS

manual.

Page 27

Installation of software

INSTALLATION OF CONTROL SOFTWARE

The control software of the chromatograph must first be copied onto the control computer. It can then be loaded as often as required into any number of chromatographs.

Insert the diskette PCPU V50_1 into drive a:, and then type:

a:install

The installation program is then activated and expects the following inputs:

Operating language Colour setting for the screen Install control software on control unit or load into chromatograph (Install or Program) or both? Select Install. If you wish to subsequently lo ad the control software into a chromatograph, select Both.

Install sequence

Process or laboratory version, select special driver Source drive for the installation diskettes. The destination drive is always c:.

The installation program then creates the directories and copies all required files into the control unit. Further diskettes with optional interface drivers may also be requested.

Program sequence

Prerequisite: ChromLAN must be active on the control unit, and a contact must exist to a chromatograph. It is best to start up the operation and to immediately leave it again.

Select which chromatograph is to be programmed in the ChromLAN network Select process or laboratory version Select interface driver

The control software is then transferred to the chromatograph and programmed into the flash may take up to two minutes. The program subsequently signals whether the action was successful.

NOTE:

Once you have installed the control software, you can program further chromatographs without having to use the control software diskette. Type

cd \pcpu-2 install

RETURN

EPROM

s. This

Important advice on programming of PCPU-2

It is possible to program locally or via a ChromLAN network. An interface and a cable connection which functions correctly together with the control unit are used in both cases. ChromLAN must be loaded in the control unit!

The interface functions because standard settings are used or because meaningful settings have already been programmed.

If an incorrect drive is programmed for this interface, no further actions are carried out following programming! In this case, a m eaningful setup must be pr oduced locally using standard settings. Refer to the section Problems and errors for detailed information!

CAUTION: The baud ra tes for the i nt erfa ce s S ER. 1, 3 and 4 are defined with the configuration. They only become active when a method is installed. The interface SER. 1 is set to 9600 baud immediately following programming, the interfaces SER. 3 and 4 to 38400 baud.

Our recommendation

Only program the PCPU-2 with the following setups. It is recommendable to first start up the operation and to immediately leave it again. ChromLAN is then correctly installed on the control computer.

Networked with RS485

Interface SER . 3 or SER. 4 Driver 485CLAN3 or 485CLAN4 Transmission rate 38400 baud Participant number according to switch position on PCPU-2.

Networked with TTY

Interface SER . 2 Driver TTYCLAN2 Baud rate according to switch 1 on PCPU-2 Participant according to switch position on PCPU-2.

Locally with RS232

Interface SER . 2 Driver UNIDRV2 Baud rate according to switch 1 on PCPU-2 Participant number is 1, independent of switch position on PCPU-2.

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 28

INSTALLATION OF SERVER SOFTWARE

Please als o refer to the instruc tions in the separate server manual!

First install the operating software on the server as described under Installation of operating software. The server uses the directory structures of the operating software and the functions:

Installation of sof tware

CHROMLAN.EXE INITCHRO.EXE LPRINT.EXE PGCRES.EXE

Communication ChromLAN initialization Printer spooler Multitasking.

Now check whether yo u can op er ate the ch ro ma tog raph normally.

If everything functions correctly, install the coupling modules into the server. This is described in the server manual. Then install the server software by inserting the server diskette into drive a: and typing

RETURN

a: install

RETURN

The installation program is then activated and expects the following inputs:

Destination drive and directory Interfaces us ed Error log device.

Various settings are subsequently required. These are described in the server manual.

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 29

Installation of software

STARTING THE SOFTWARE

Programs can be started by selecting the corresponding directory and then entering the name of the program. It is also possible to write batch files to simplify the procedure. This is described under The IBM-compatible PC: Files.

Starting the operating software or GCLAN

Connect the chromatograph to the control computer, and type following the

C:>

cd \bedi

C:\BEDI

prompt:

DOS

RETURN

> bedi

RETURN

The operation cannot be started if

no chromatographs are connected, all chromatographs are switched off, there is a fault on the lines.

A message is output in these cases, and the

DOS

prompt

appears agai n.

Calling the configuration

If you have ordered the additional software package

GCLAN GCLAN

, start the configuration using the softkey on the display Measure.

GCLAN

is not installed on the control unit: leave the

operating software, and type the following after the

prompt:

DOS

konfig

RETURN

C:\BEDI>

C:\>

cd \konfig

C:\KONFIG>

Starting the server software

Connect the server correctly according to the circuit documents, and type following the

C:>

cd \serv

C:\SERV

> serv .

RETURN

If you have specified a different directory during the installation, select this directory instead of \serv.

DOS

RETURN

prompt:

A useful batch file

The batch file do.bat shown below outputs a comment menu on the screen and calls an operation or configuration without user intervention. It can be extended e.g. by a word processing call.

If you enter the command ca ll do as the last line in the file autoexec.bat, the menu appears automatically when the computer is switched on. Refer to your

MS-DOS

manual for more details.

@echo off rem Batch file DO.BAT in directory c:\ cls

if z%1z == zoz goto operation if z%1z == zcz goto configuration goto proceed

:operation cd \bedi call bedi

rem bedi is also a batch file, therefore CALL! c: cd \ goto proceed

:configuration cd \konfig konfig c: goto proceed

:proceed @echo off cls echo Access chromatograph: Type do o echo Configure: Type do c

BEDI and Windows

The operating soft ware can be used in a DOS window, but we cannot guarantee that no problems will be encountered. The oper ating soft ware must o nly be st arted under Windows. We recommend that you boot the control unit before you call Windows. This ensures that the resident programs of the op erating software are not already present in the main memory from earlier occasions.

Select the following settings for the DOS window:

Click symbol 386 expanded (main group, system control) and set Never warn for com1. Call the PIF editor (main group), open file

DOS_FULL.PIF or DOS_WIN.PIF, select ex ecution Background.

Click Further options and set both the background and foreground priorities to 50.

2SWINSTA.CHP, Stand Dezember 22, 1999

Page 30

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2SWINSTA.CHP, Stand Dezember 22, 1999

Page 31

Problems and errors

PROBLEMS AND ERRORS

Faulty communication with the chromatograph

When an oper ation is started, a ch eck is carried out to establish which chromatographs are connected and switched on. If no chromatograp hs reply, the message No analyzer responding appears and the prompt.

The selection display appears if at least one chromatograph responds. Select the function Select PGC. The display indicates for each chromatograph whether it is online or offline. Press the key [

F10: Actual. GC list

If the associated chromatograph still refuses to respond, the following checks are useful:

Is the chromatograph switched on?

Check the cable connections

On the chromatograph

On the control unit

MS-DOS

on interface SER.2

on interface :COM1 or :COM2

TIMEOUT RESET

PROG.

X 16 Station X 1 RUN

SER.4 SER.3

SER.4 SER.3 SER.2 SER.1

Does the green lamp on the PCPU-2

flash ?

YES

Check communication

Boot the control unit (Reset)

Then type: CD \PCPU-2 SCANPGC

chromatograph

Possible causes:

Connection cable is faulty or incorrect

Switches or jumpers on the PCPU-2 are incorrectly set

An incorrect interface driver has been programmed

Faulty interface: :COM1 or :COM2 SER.1 to SER.4

Does the

respond ?

[Return]

YES

Press RESET button on PCPU-2 upwards briefly

Does

the green lamp

now flash ?

Possible causes:

The baud rate or the interface is incorrectly set in the control unit or the chromatograph

The incorrect participant number is set on the chromatograph

Remedy:

Eliminate fault, see

Installation

Remedy:

Test PCPU-2

Remedy:

Reinstall operating software

Set participant number correctly

2PROBLEM.CHP, Stand Dezember 22, 1999

Page 32

Testing the PCPU-2

Switch on the

chromatograph Remove PCPU-2

DIP-Switch

SW 1 ... 7 OFF SW 8 ON Set Station x 16

switch to 0 Set Station x 1

switch to 1

Fit PCPU-2

Switch on the

chromatograph

Does the green lamp on the PCPU-2

flash ?

YES

The PCPU-2 is faulty! Possibly check power supply

DIP switch

Station x1 Station x16

SER. 1

SER. 2

SER. 3

SER. 4

X 9 X 8 X11 X10

X6 X7

Problems and errors

The PCPU-2 is OK internally!

Now test the interfaces

Connect cable to:

:COM1 or :COM2 of control unit Reset control unit

For all 4 PCPU interfaces:

Connect cable to

SER.1 ... 4 of PCPU-2 Then type

CD \PCPU-2 [Return] SCANPGC [Return] Wait until all baud

rates have been tested Then type [F2]

Results:

The PCPU-2 is OK

if SER.1 ... 3 report ONLINE with 9600 baud

if SER.4 reports ONLINE with 38400 baud

The PCPU-2 is fault

if one or more interfaces are OFFLINE

The cable is fault

if all interfaces are OFFLINE

If the PCPU-2 is OK:

Reprogram the PCPU. Use SER. 1 to 3 with 9600 baud or SER. 4 w ith 38400 baud. The ChromLAN must be called first! Example:

cd \bedi chromlan a9600 z30 install

Control unit RS232 / COM1:

9-pin connector

GND35 RxD

TxD

PCPU-2 Interface SER.2

9-pin connector

Signal GND

TxD

RxD

Then follow the instructions on the screen. Then switch off the chromatograph and remove the PCPU-2 Set DIP switch 8 to OFF Install PCPU-2

2PROBLEM.CHP, Stand Dezember 22, 1999

Page 33

Networking

NETWORKING

The chromatograph can analyze automatically without a control unit being connected. It must first be parameterized, however. Results and status information are expected during operation.

For this purpose, the chromatograph must be able to communicate with a control unit, printer or control system. This is carried out in the same manner as when people use a telephone.

People use a telephone!

If two people in Lo ndon and Munich wish to sp eak to one another, they use the telephone. This only functions if certain requirements are fulfilled:

Electrical connection

An electrical connection must exist between the two telephones. The electrical properties of the two telephones must be compatible. A conference circuit can be used to enable several subscribers to talk together.

Control of co nversati on

Courtesy rules must be observed to control the conversation, e.g. Hello, Ron Hume here and Goodbye or What did you say and I see. The partners must agree on the courtesy rules. In the case of conference circuits, everybody must be permitted to speak, e.g. Yo ur t u rn , Mr. Brown.

Language

Both partners must speak the same language or at least be able to understand the language of the partner.

Chromatographs use interfaces

The chromatograph, control unit, printer and control system use special electronic circuits which we shall refer to as interfaces. Ce rtai n requir ement s must also be satisfied in this case:

Electrical connection

The device interfaces are connected together by electrical cables. The electrical properties of the interfaces are standardize d, but there are d ifferent types of int erface. Only identical interfaces must be connected together.

Control of conversation and language

Terms such as ChromLAN, Modbus or RK512 with D3964 incorporate courtesy rules and language.

Understand what the partner is saying

The partners must understand the subject which is being discussed. They must also know what they have to do with the information.

Understand what the partner is saying

To understand th e subject means in the case of chromatographs: software must be present in the chromatograph which can contr ol it, and ope rating softwa re must be present in the control unit or system which knows how a chromatograph fu nctions and how a user thin ks.

2VERNETZ.CHP, Stand Dezember 22, 1999

Page 34

01010011

Networking

How are characters transmitted?

A digital computer only recognizes the states yes and no or 0 and 1. They are represented e.g. by 0 V and +5 V in a memory cell (bit).

AUS

01000001

01010101

01010011

010

Eight bits are combined into one byte. 256 different combinations of 0 and 1 can be generated with one byte.

An international standard (ASCII code) defines which character corresponds to which bit combination. An A is represented, for example, as 01000001 or a 5 as

00110101.

Parallel inte rface

The eight bits of a byte can be transmitted simultaneously on parallel lines. This is carried out e.g. between the PC and printer via the Centronics interface. Parallel interfaces are fast, but require expensive cables with at least nine cores and often only permit short cable lengths.

Serial inte rface

If the eight bits are sent in succession (i.e. serially) on a line, the 0s and 1s arrive at the other end in succession. The receiver combines them into a byte again. Lowcost 2-core cables are sufficient for this type of transmission.

AUS

01000001

An understandable example of a serial transmission is

the Morse code. In this case the letters are coded as a sequence of long and short signals.

Transmission rate

The receiver must know exactly how fast the 0s and 1s follow in succession. Otherwise it cannot recognize e.g. if two 0s arrive immediately in succession. The transmission only functions if the transmitter and receiver are set to the same transmission rate (baud rate). This is specified in bit/s or baud.

If the train is too fast for the conveyer belt, the wagons remain empty. If it is too slow, several digits fall into one wagon or fa ll under th e wheels!

2VERNETZ.CHP, Stand Dezember 22, 1999

Page 35

Networking

VARIOUS SERIAL INTERFACES

The term Serial interface only describes that letters are transmitted as a succession of bits. The electrical properties of the various serial interfaces are very different. The chromatograph and control unit use the following serial interfaces:

RS232, RS485

TTY, V.24

TTY interface

The TTY interface operates with a constant current of 20 mA. There is a tran s mit lo o p an d a rece ive loop . The partner which provides the current sources is referred to as active. The chromatograph is normally switched to passive.

The control unit requires a converter because it does not possess a TTY interface. It is switched to active.

V.24/RS232 inter face

The RS232 in terface operates wi th ±12 V voltage signals relative to ground. There is one transmit line and one receive line. The transmitter always has a voltage source.

RS485 interface

The RS485 interface operates with a 5-V differential voltage between two lines. All transmitters and receivers use these two lines: the partners must agree on who can transmit when! Each partner has a voltage source.

Control unit Chromatographs

Transmitter

20mA

Receiver

20mA

0 mA

Receiver

Transmitter

Time

Control unit Chromatograph

Receiver

Transmitter

12 V

Voltage +12 V

- 12 V

12 V

Time

Control unit Chromatographs

TTY

Transmitter

Receiver

RS232

The control uni t r equir es a n in terfac e converter be cause it does not possess an RS485 interface. This is fitted to the interface plug at the PC. It converts an RS232 inter-

Transmitter

Receiver

Transmitter

Receiver

face into an RS485 interface. Terminators: the first and last partners must be termi-

Voltage

nated by 120 Ω (jum per on PC PU-2).

5 V

Time

Data TTY RS232 RS485

Interfer ence r esista nce Networking Max. number of chrom atographs Max. transmission rate Max. cable length

Chromatograph-interface Use

Very good Yes 6 9600 bit/s 200 m distance

SER.1 and SER.2

- ChromLAN networ k SER.1

- Printer

Moderate No 1 38400 bit/s 15 m

SER.2

- Local operation SER.3 and SER.4

- Control system

Very good Yes 32 38400 bit/s 1300 m (standa rd!)

SER.3 and SER.4

- ChromLAN networ k

- Control system

Transmitter

RS485

Receiver

2VERNETZ.CHP, Stand Dezember 22, 1999

Page 36

Chromatographs

RS232/TTY RS232/TTY RS232/RS485 RS232/RS485

* PGC102 * PGC302 * P30/30 * RGC202

Networking

VARIOUS COMPONENTS FOR NETWORKING

Chromatographs, control units, server PCs and control systems can be combined together in numerous versions. The interconnections are described in the register External piping and wiring diagrams. Here we shall describe how the individual components interact.

PCs

Color VGA

386/33

RS232 RS232

Interface converters

TTY converter

RS232

RS485 converter

RS232

Modems

220V

TTY aktive

RS485

* Switched modem * Dedicated line modem

* Control PC * Server PC

RS232 link

RS232

5V/12V

RS232 RS232 RS232

Control units

-compatible personal computers (PCs) are used as

IBM

the control units. Laptops are suitable for local operation, we recommen d powerful Desktops for stationa ry operation.

Server

It is advantag eous to u se server PCs i f several chromatographs are to be ne tworked. The server is connected between the chromatographs an d control unit and collects all data from the chromatographs. It relieves the load on the control unit, and permits redundant networks and control system links.

We recommend particularly powerful

-compatible

IBM

personal computers as the server.

Interface converters

Interface converters are required because PCs do not have a

TTY

their own housing with 230/115-V connection.

interface. The converters have

RS485

Telephone number

RS232

Telephone line

220V

Coupling modules for PCs

DF32

RS232 / RS485 RS232 / RS485

* More than 1 control PCfor * Control systems * Variograph/Piezograph

Control systems

* Teleperm M * Simatic S5 * Honeywell TDC3000

TTY TTY or RS232 RS232

Some also as plug-in boards for 19-inch system and for PC

DF20

TTY TTY

RK512 with D3964 RK512 with D3964 Modbus

TTY repeater

Each 200 m. It replaces one chromatograph in the current loop! The connection or power supply respectively.

repeater extends the range of

TTY

repeater has its own housing with 230/115-V

TTY

cables by

Modems

All functions of the ChromLAN are possible via modems. Several chromatographs can also be networked to a modem using a Schniko .

Dedicated line modem

Uses the fixed telephone cables within a company. This means that repe aters are super fluous and th at distances can be covered up to more than 1 0 km.

Switched modem

Has an unlimited range via the telephone network. A dialling procedure is required (waiting time).

2VERNETZ.CHP, Stand Dezember 22, 1999

Page 37

Networking

EXAMPLES OF NETWORKING

Constellations can basically be produced by connecting iden tical interfaces tog ether. This functions without problems for the control unit, modems, interface converters and chromatographs. Additional software is re quired in ce rtain ca ses:

Server software and interface drivers are required for networks with server PCs Interface drivers and software in the control system are required for the connection to control systems.

The examples on this page show a number of frequently used constellations up to a complex network:

Local operation Networks without server Networks with servers, also with modems Redundant networks

NOTE:

Digital and analog process signals from external devices can be networked to the chromatographs. They are connect ed to the chromatographs via digital and analog inputs and processed using BASIC programs.

Local operation

RS232

Control Pc

Chromatograph

Single ChromLAN with stationary control PC

RS485

Control PC

with Schniko-2

No. 1 No. 2 No. 15

Chromatographs

Double ChromLAN with stationary control PC

RS485

No. 1/1

No. 1/2

No.1/15

Control PC

PGC 302 PGC 302

TTY

RS232

Schniko

TTY

Control PC

with Schniko-2

Control PC

RS485

Server PC

with DF32 and Schniko-2

RS485

Server PC

with DF32 and Schniko-2

RS232

RS232 Modbus

No. 2/1

No. 2/2 No2/15

Chromatographs

HONEYWELL

TDC3000

Control system

Control PC

RS232

Switched modem

Telephone line

Switched modem

2VERNETZ.CHP, Stand Dezember 22, 1999

Page 38

Networking

MODBUS COUPLING

The process control system (PCS) contains a memory area into which the chromatograph can write via the

MODBUS

interface. The PCS software can read this information. If you write into this memory area, the information is automatically sent to the chromatograph.

Common memo ry area i n PCS

The chromatograph and PCS thus communicate via this memory area. The memory is divided into 16-bit registers which are accessed by means of addresses. The maximum address range is 0 to 65535.

Declaration of memory distribution

The meaning of each register must be declared when configuring. The results of each component in each sample must be written by each chromatograph into a specific position in the PCS memory. The PCS can then find this data there again.

These address declarations depend on the number of chromatographs, samples and components. They are therefore redefined by us for each system.

A similar declaration is required for the status, sample sequence and sample release. In this case the standard addresses have fixed declarations.

TELEPERM COUPLING

The chromatograph and PCS communicate via data blocks. These data blocks must be defined in the PCS.

Interface driver

An interface driver for the

TTY/TELEPERM

must be installed in the chromatograph. This driver is a standard, and is identical for every system. The driver in the chromatograph is initialized/configured by the PCS once or more often, e.g. with the number of samples and components. This configuration is stored by the driver in the flash

EPROM

of the chromatograph.

coupling

Programming the PCS

Programming is only necessary in the PCS. In this case, fixed data structures are defined for the component results similar to as with the

MODBUS

on the number of samples and components. Status messages, sample sequence and sample release have fixed formats.

A description for this programming is provided with the driver. There is a user interface for this in the PCS (Teleperm/Sim atic).

and dependent e.g.

Programming the chromatograph and PCS

The chromatograp h and PCS must be programmed according to the declared memory division.

The

MODBUS

in the chromatograph. The server generates these address lists automatically, and they can then be printed.

Control system

with MODBUS download driver in the chromatograph

download driver must be configured

Chromatographs

No. 1

RS 485 Modbus

Direct connection to control system

No. 2 No.15

RS 485 ChromLAN

Control PC mit Schniko-2

2MODBUS.CHP, Stand Dezember 22, 1999

Page 39

Networking

2MODBUS.CHP, Stand Dezember 22, 1999

Page 40

Contents

INSTALLATION

Page

Installation location

Space requirements . . . . . . . . . . . . . . . . . . 2

Permissible ambient temperature . . . . . . . . . . . 2

Permissible relative humidity . . . . . . . . . . . . . 2

Power supply, power consumption . . . . . . . . . . 2

Gas connections, gas purity . . . . . . . . . . . . . . 2

Purging air, contro l air . . . . . . . . . . . . . . . . 2

Assembly

Gas lines . . . . . . . . . . . . . . . . . . . . . . . . 3

Sample lines . . . . . . . . . . . . . . . . . . . . . . 3

Exhaust gas lines . . . . . . . . . . . . . . . . . . . 3

Power switch . . . . . . . . . . . . . . . . . . . . . . 4

Fitting the power cable . . . . . . . . . . . . . . . . 4

Equipotential bonding conductor . . . . . . . . . . . 4

Lightning protection . . . . . . . . . . . . . . . . . . 5

Fitting the signal cables . . . . . . . . . . . . . . . . 5

Connection of local message printer . . . . . . . . . 6

Connection of line recorder,

use of analog outputs . . . . . . . . . . . . . . . . . 6

Connection of status messages to control room . . . 7 Connection of external status sign als

and digital inputs . . . . . . . . . . . . . . . . . . . 7

Connection of valves

and digital outputs . . . . . . . . . . . . . . . . . . . 8

Page

Connection of control unit

Local connection of control unit

using prepared RS 232 cable . . . . . . . . . . . . 18

Permanent local installation of control unit . . . . 18

ChromLAN networks

Interface converters . . . . . . . . . . . . . . . . . 20

Permissible cable le ngth . . . . . . . . . . . . . . 21

Pin assignments of

PCPU interfaces SER. 1 to SER. 4 . . . . . . . . . 21

Terminals for the interfaces

SER. 3, SER. 4 and SER.1 respectively . . . . . . 21

Terminating resistors . . . . . . . . . . . . . . . . 22

Participant number

of chromatograph in networ k . . . . . . . . . . . . 22

Loadable interface drivers . . . . . . . . . . . . . 22

Setting of SER. 1 and SER. 2 to TTY or RS232 . 23

Setting of TTY to active/passive . . . . . . . . . . 23

Setting of SER. 1

for local printer or ChromLAN . . . . . . . . . . . 23

Adjustment of transmission rate (baud rate) . . . . 23

Technical data

. . . . . . . . . . . . . . . . 24

SIMATIC modules

Inserting or removing modules . . . . . . . . . . . 10

Electrical isolation . . . . . . . . . . . . . . . . . . 10

Module address . . . . . . . . . . . . . . . . . . . 11

Setting the address switches . . . . . . . . . . . . . 11

32 digital outputs 0.5 A . . . . . . . . . . . . . . . 12

16 digital outputs 2 A . . . . . . . . . . . . . . . . 13

16 digital outputs 0.5 A

and 16 digital inputs . . . . . . . . . . . . . . . . . 14

32 digital inputs . . . . . . . . . . . . . . . . . . . 15

8 analog outputs 0 to 20 mA or 4 to 20 mA . . . . 16

8 analog inputs 0/4 to 20 mA . . . . . . . . . . . . 16

3INHALT.CHP, Stand Dezember 22, 1999

Page 41

Installation of chromatograph

INSTALLATION LOCATION

You must observe the following information under Technical data.

Permissibl e amb ient t emper ature Permissible relative humidity Power supply, power consumption Lightning protection Gas connections, gas purity Purging a ir, con trol a ir

Space requirements

600 mm on both sides of chromatograph from side wall or next chromatograph Distance from wall at rear at least 100 mm Distance from ceiling at least 200 mm Swivelling radius of door 600 mm.

There are three manners in which the PGC

edition II can be mounted:

302

536

4 x M8

1056

420

M8 threaded holes in the rear panel.

Caution: The max. thread depth is 10 mm!

Mounting rails (option) Rack (option)

1014

640

420

3INSTALL.CHP, Stand Dezember 22, 1999

Page 42

Installation of chromatograph

ASSEMBLY

The following assembly is always required:

Gas lines, Sample lines, Exhaust gas lines Power switch, Power cable Equipotential bonding conductor Signal cables

The following assembly operations may be necessary depending on the device version:

Message printer, Line recorder Valves and Status signals Control unit, ChromLAN Installation of software (see register The software)

CAUTION: Leave the dummy plugs on the gas inlets until you are ready to use the chromatograph. The commissioning engineer only connects the gas lines to the chromatograph when he has checked t hem!

CAUTION: Gas connections You must not shorten the gas connections on the chromatograph (3 mm pipes)! Otherwise they can become leaky because there are two pipes into one another and soldered at the end.

Gas lines

Material: copper or stainless steel 6 mm x 1 mm

(

⁄4"). Only use very clean gas lines. Clean the lines

before assembly if necessary Route the gas lines up to the chromatograph according to the piping diagram. Connect a shut-off valve upstream of each c hromato graph.

Cleaning the lines

Flush with a volatile solvent (acetone, hexane, do not use chlorinated hydrocarbons!). Then heat the lines whilst flushing with clean inert gas, e.g. five mi nutes at 200 °C. Purity of inert gas

≥ 99.999 %.

Sample lines

The sample conditioning unit must be fitted close to the chromatograph so that connection lines are short. The sample line to the chromatograph should have a downward gradient.

IMPORTANT: Lifetime of injection valves decreases, if the sample contains solid particles. A filter ahead of the injection valve is essential. We recommend a filter grade

- Liquide sample: 98% fo r 0,3µm particles

- Gaseous sample: 99,9 9% for 0,1µm particles. Siemens sample conditioning units are equipped with appropiate filters!

Exhaust gas lines

All exhaust gases of the chromatograph are routed through the housing wall and must be routed from there into a common exhaust line. The individual exhaust gas lines must have a downward gradient to the common line.

Material of common exhaust line

Stainless steel piping with i.d. of at least 12 mm (1/2") with welded-on nozzles an d screwed glands. Minimum gradient 1 : 10.

Special with FID or FPD

With FID or FPD a condensation outlet or siphon is required.

For the cla ssi fied FI D: PTFE hose 8 mm i.d. x 1 mm (5/16"), insulated with silicon hose if necessary. Extension using PTFE hose 10 mm i.d. x 1 mm (3/8" ). Exhaust gas lines must not diminish in size!

Gas connections on the chromatogr aph

Purging gas 6 mm Swagelock gland Liquid injection valve (FDV) 3 mm Swagelock gland Heated gas connection 6 mm Swagelock gland All other gas inlets 3 x 0.5 mm All other gas outlets 3 x 0.5 mm

IMPORTANT: All device-specific connectio n diagrams can be found in the register External piping and wiring diagrams.

3INSTALL.CHP, Stand Dezember 22, 1999

WARNING: Danger of explosion A separate exhaust gas line is necessary when using H the constant production of an H

as the carrier gas in order to prevent

/air mixture.

Page 43

Installation of chromatograph

Power switch

The chromatograph does not have a power switch. A power switch and a fuse with a rating of 16 A/20 A at 230 V/115 V must be fitted in the building installation. The power switch should be installed close to the chromatograph.

CAUTION: Installation regulations require the use of a ground fault interrupt (GFI) in the power supply line.

Fitting the power cable

The chromatograph is supplied without a connection cable.

Mains cable 3 x 2.5 ¨ , unscreen ed, permissible cable diameter 6 to 10 mm Loosen fifteen screws (1) and remove side panel Loosen six screws (2 ), push cover panel down and remove Open PG screwed gland (3) Push power c able approx. 15 cm into the chroma tograph (3) Tighten PG screwed gland (3) With classified units: tighten the cable grip Connect conductors L and N to terminals L and N (4). Interchanging cancels the classification! Connect protective earth to earthing terminal (4). Refit cover and side panels.

CAUTION: Interchanging the conductors L and N cancels the clas sification !

Equipotential bonding conductor

An equipotential bonding conductor is required for classified chromatographs depending on the local installation regulations.

Connect the grounding terminal at the bottom left on the rear of the chromatograph to a central

grounding point. Green/yellow cable ≥ 4 mm

⁄

(∅ >

").

3INSTALL.CHP, Stand Dezember 22, 1999

Page 44

Installation of chromatograph

Lightning protection

To protect personnel and equipment, we recommend the installation of appropriate lightning protection equipment in areas where storms occur. Comprehensive protection necessitates the following:

Lightning conductor Earthed metal belts in building to protect against electrostatic charges. This is particularly important at greater altitudes and with dry air. Transient suppressors in all lines leading to the chromatograph. These are available e.g. from the company Phoenix Co ntact.

Fitting the signal cables

All signal cables must be shielded outside the chromatograph and not shielded within the chromatograph.

The shield must end at the screwed gland and is grounded th ere on the chroma tograph hou sing.

Loosen a sui table cable gland an d remove the sealing gasket Push cable into chromatograph as far as required Remove insulation and screen from end of cable up to screwed gland. Expose 2 cm (1") of screen Connect screen around sealing ring (1) and tighten nut (2) With classified chromatographs: secure additional cable grip

Permissible cabl e diamet er

Screwed gland D d PG11

PG16

6 to 10 mm 12 to 15 mm

8 mm 12 mm

Cable type

We recommend cable twisted in pairs for TTY or 20 mA-signal lines. Example: ChromLAN, printer and analog outp uts.

CAUTION: Classified area: All conductors must be connected. This means that the cable must not have more conductors than are actually required.

It is essential to refer to the connection diagram.

3INSTALL.CHP, Stand Dezember 22, 1999

Page 45

Installation of chromatograph

Connection of local message printer

A local printer can be connected to the interface SER.1 in order to print results and/or alarms.

The driver UNIDRV1 must be loaded for the interface

SER

1. DIP switches must be set on the PCPU

is described under ChromLAN

with TTY

Your printer manual describes the interface assignment of your printer and how it is set. The printer must satisfy the following requirements:

Protocol X-ON/X-OFF Transmission rate 9600 ba ud Active TTY interface, i.e. the printer provides the 20-mA current loop Epson- or

-compatible

IBM

Printer with RS 232 interf ace

If the printer only has an RS232 interface, the PCPU-2 interface SER.1 can be switched over to RS232. The printer must be connected directly to the PCPU-2. The cable length must be less than 15 m. A DIP switch must be set on the PCPU-2. This is described under Chrom- LAN with TTY.

2. This

Printer TTY aktive

Transmitter

Printer RS 232

RxD+ RxD -

TxD+ TxD -

GND TxD RxD CTS

Terminal

21 20

23 22

Terminal

1 3 2 5

Interface SER.1

Terminal board

TxD+

TransmitterReceiver

TxD -

RxD+ RxD -

Interface SER.1

GND RxD TxD CTS

PGC 302

Receiver

PGC 302

PCPU-2

Printer with C entroni cs interfac e

The message printer can be connected to the Centronics interface of the control unit. It only prints if the control unit is switched on.

Connection of line recorder, use of analog outputs

Four analog o utputs are present as stan dard. They are connected to the terminal board, plug X12.

Terminal number

Analog output Channel

1 2 3 4

SIMATI C

modules are r equired for further analog out-

A B

puts (4 to 20 mA). To connect these modules, refer in this register to

SIMATIC

modules: Analog outputs or in

the register External wiring diagrams.

Setting of 0 to 20 mA or 4 to 20 mA

The four standard analog outputs can be converted from 4 to 20 mA to 0 to 20 mA. Plug-in jumpers must be repositioned on interface module 3. This is described in the register Function description of electronics.

Output Ground

11 12 13 14

10 10 15 15

XK1

3INSTALL.CHP, Stand Dezember 22, 1999

Page 46

Installation of chromatograph

Connection of status messages to control room

Several status messages of the chrom atograph are connected as digital signals to the terminal board. More details can be found in the register External wiring di-

agrams.

Analyzer failure

The signal Analyzer failure of the chromatograph is connected to the terminal board as digital output 1. 24 V signal at term inal 30, ground e.g. at terminal 38.

In addition there is a relay contact connected to the terminals 8 and 9. Contact opened means: Analyzer failure.

Overpressure swit ch

Digital input

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

Use + 24 V means

Peripheral boards faulty Housing purging o.k. Housing temperature o.k. Gas supply o.k. External unit A not ready External unit B not ready Reserved Reserved

Ground 1 to 8 65 Not used

Not used Not used Not used Not used Not used Not used Not used

Ground 9 to 16 74

Term in al on terminal board

57 58 59 60 61 62 63 64

66 67 68 69 70 71 72 73

Maintenance request

The second digital output has the meaning Maintenance request. You can connect this signal to a lamp or horn in the control room (see Operation using keyboard and screen: Status). 24 V signal at terminal 31, ground e.g.

at terminal 38.

Purging pressure, zone 2

An excess pressure switch is fitted in chromatographs for zone 2. It is closed if the purging pressure is o.k. It is possible to monitor the purging pressure, e.g. from the control unit, if 24 V are routed to digital output 2 via this switch.

Connection of external status signals and digital inputs

The chromatograph monitors the following status signals:

Carrier gas pressure or supply gases Start delay by external device A Start delay by external device B

Connectio n of di gital i nputs

3INSTALL.CHP, Stand Dezember 22, 1999

Switch

+24 V

GND

DI 9

GND

Terminal board

4 5

Further monitoring functions can be carried out using

programs.

BAS IC

The status signals must be present as floating contacts. They are wired directly to the terminal board.

16 digital inputs are present on the terminal board. The first 8 are for internal purposes. This is shown in the following table.

SIMATI C

- modules are required for further digital in-

puts. To connect these modules, refer in this register to

SIMATIC

modules: Digital inputs or in the register Ex-

ternal wiring diagrams.

Page 47

Installation of chromatograph

Connection of valves and digital outputs

The stream selection valves must be connected to the digital outputs. 24 digital outputs are present on the terminal board. The first 8 are for internal purposes. This is shown in the following table.

SIMATI C

puts. To connect these modules, refer in this register to

SIMATIC

ternal wiring diagrams.

- modules are required for further digital out-

modules: Digital outputs or in the register Ex-

CAUTION: Classified area The solenoid valves must be fused according to the manufacturer’s instructions.

Digital output

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24

Use + 24 V means

No device failure (ready) No maintenance request Run A Run B Cooling on *1 Air flaps moving *1 Air flaps, direction: open *1 Heater enable

Te r minal on terminal board

30 31 32 33 34 35 36

37 Ground 1 to 8 38 Avail able for valves

Available Available Available Available Available Available Available

46 Ground 9 to 16 47 Available

Available Available Available Available Available Available Avail able for streams

55 Ground 17 to 24 56

*1 = Available with PGC 302

Connection of valves

+ 24 V

XK1

DO 9

GND

XK1

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Page 48

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3INSTALL.CHP, Stand Dezember 22, 1999

Page 49

SIMATIC modules

-Baugruppen

SIMATIC

modules

SIMATIC modules

We additionally use matograph as signal converters for analog and digital signals. The chromatograph can then, for example:

Switch valves via digital outputs Scan the switches of pressure monitors via digital inputs Display results in the control room via analog outputs Calculate values from a scale with the analytical result via analog inputs.

The following modules can be used in our chromatographs:

32 digital outputs 24 V/0.5 A 6ES5 451-4UA12 16 digital outputs 24 V/2 A 6ES5 453-4UA12 16 digital outputs and 16 digital inputs 24 V/0.5 A 6ES5 482-4UA12 32 digital inputs 24 V 6ES5 430-4UA12 8 analog outputs 0 to 20 mA 6E S5 470-4UA12 8 analog outputs 4 to 20 mA 6ES5 470-4UC12 8 analog inputs 6ES5 46 0-4UA12

All modules occupy one slot in the chromatograph computer, apart from the module 453 which requires two slots.

SIMATIC

modules in the chro-

Electrical isolation

All inputs and outputs are electrically isolated from the module power supply which is applied at the rear. The inputs and outputs are nevertheless not electrically isolated in the chromatograph because the 24 V comes from the chromatograph power pack and all modules are connected to one another via their front panels.

If electrical isolation is required, use a separate module and provide an external voltage of 24 V. Individual floating digital inputs or digital outputs can be implemented using relays.

SIMATIC

IMPORTANT:

SIMATIC

correctly addressed and if their enable input is correctly connected. The following pages show how you must wire the modules.

-modules only function if they are

Inserting or removing modules

Only insert or remove matograph switched off. You thus avoid damaging the modules. In addition, if they are inserted when the chromatograph is on.

Loosen th e screw (1) on the front p lug Swing out the top of the front plug and lift out of the bottom bearing (2) Rotate locking screw (3) by 90° Pull out the module using the handle (4). This handle is hidden. It can be extracted from below using a pointed object.

Install in the reverse order.

SIMATI C

SIMATIC

modules with the chro-

modules do not function

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Page 50

Only this switch is ON

SIMATIC modules

Module address

The chromatograph computer (PCPU-2) expects

SIMATIC

dressing enables several identical be used. The computer identifies the separate modules by means of the set addresses. In addition, output modules only react to write processes and input modules to read processes.

modules in a particular addr ess area. The ad-

SIMATIC

modules to

000010

ADB 7 128

ADB 6 64

ADB 5 32

ADB 4 16

ADB 3 8

ADB 2 4

ADB 1 2

ADB 0 1

Setting the address switches

All

SIMATI C

dule address is set there according to the following rules:

Address Address switch (1 = ON, 0 = OFF)

4 8 12

128 144 160 176

Press the switches with a pointed object, but never with a pencil! Pencils leave behind conductive powder. The specified addresses apply to all modules, even if they are not fully configured. Identical modules must never be set to the same address. On the other hand, inputs are set to the same address as outpu ts (see table ). Special case with module with 16 digital outputs and 16 digital inputs: no other module must have its address. This module responds like one digital output module and one digital input module where the inputs 1 to 16 and the outputs 17 to 32 are faulty.

modules have an address switch. The mo-

000001 000010 000011

100000 100100 101000 101100

First digital output module Second digital output module Third digital output module

First digital input module Second digital input module Third digital input module

First analog output module Second analog output module Third analog output module Fourth analog output module

First analog input module Second analog input module Third analog input module Fourth analog input module

3SIMATIC.CHP, Stand Dezember 22, 1999

All addresse s are already set if t he chromatograph application has been prepared by us.

IMPORTANT: This description does not apply to chromatographs which have at least one

SIMATIC

mo-

dule as standard.

Page 51

SIMATIC modules

32 digital outputs 24V/0.5 A 6ES5 451-4UA12

The chromatograph already has internal digital outputs on its terminal board. The outputs commence with the number 33. In the adjacent Fig., Output 1 means the first output on this module.

Green lamps indicate when an output is switched on.

Connection of valves

Connect one line directly to th e fron t plug of the digital output module, and the return line to the central ground terminal block.

CAUTIO N with classified valves

A fuse is requi red in the positive line. Refer to the conform ity ce r tific ate of the valve.

Short-circuit/alarm

All outputs are electrically protected against sh ort-circuits. A red lamp lights up if an output is short-circuited, and the module outputs an alarm. This alarm can generate the signal Device failure in the chromato- graph (see register Operation with keyboard and screen: Status).

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

Permissibl e curr ent 5 mA to 0.5 A Residual curr ent with OFF < 0.5 mA Residual voltage with OFF < 3 V Voltage with ON > U Permissible cable length < 400 m Slots required 1

SIMATIC

- 1.5 V

digital

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

+ 24 V GND 24

Output 1

Output 9

Status signal

Output 32

Do not connect digital outputs in parallel!

Digital outputs must not b e connected in p arallel if you wish to switch valves which require more than 0.5 A. A more powerful module must be used.

3SIMATIC.CHP, Stand Dezember 22, 1999

Page 52

16 digital outputs 24V/2 A 6ES5 453-4UA12

Apart from the technical data, the same comments apply as to the module 6ES5 451-4UA12.

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

Permissible current 10 mA to 2 A Residual current with OFF < 1 mA Residual voltage with OFF < 3 V Voltage with ON > U24 - 2.5 V Permissible cable length < 400 m Slots required 2

SIMATIC modules

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

+ 24 V GND 24

Output 1

Status signal

Output 16

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Page 53

SIMATIC modules

16 digital outputs 24V/0.5 A 16 digital inputs 6ES5 482-4UA12

This module responds like one digital output module and one digital input module where the inputs 1 to 16 and the outputs 1 7 to 32 are faulty .

IMPORTANT:

In addition to the address switch, the module contains a plug-in jumper X20 and a slide switch S2.

Switch S2 must always be in position 1. It switches over between the local bus (position 2) and the S5 bus (position 1).

If the jumper X20 is open, the module is enabled independent of the front plug wiring. If the jumper X20 is inserted, the connection from 1 to 2 is required in the front plug.

Connection of valves

Connect one line directly to the front plug of the module, and the return line to the central ground terminal block.

Connection of switches

Connect one line directly to the front plug of the module, and the return line to the central +24 V terminal block.

Short-circuit/alarm

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

16 digital outputs

Permissible current 5 mA to 0.5 A Residual current with OFF < 0.5 mA Residual voltage with OFF < 3 V Voltage with ON > U24 - 1.5 V Permissible cable length < 400 m

16 digital inputs

Voltage for sign al 0 Voltage for signal 1 Input current with signal 1 8.5 mA Permissible cable length < 50 m Slots required 1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

33 to + 5 V + 13 to + 33 V

+ 24 V

Valve 1

Valve 13

GND 24

Status signal

Switch 1

Switch 13

3SIMATIC.CHP, Stand Dezember 22, 1999

Page 54

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

+ 24 V

GND 24

Switch 1

Switch 32

SIMATIC modules

32 digital inputs 6ES5 430-4UA12

Digital inputs can be used to import status signals into the chromatograph. Example: carrier gas pressure monitoring.

The signal status of the digital inputs is identified by green lamps on the module.

Connection of switches

Connect one line directly to the front plug of the module, and the return line to the central +24 V terminal block.

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

32 digital inputs

Voltage for sign al 0 Voltage for signal 1 Input current with signal 1 7 mA Permissible cable length Unscreened Screened Slots required 1

33 to +7 V +13 to +33 V

< 600 m < 1000 m

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Page 55

SIMATIC modules

8 analog outputs 0 to 20 mA: 6ES5 470-4UA12 4 to 20 mA: 6ES5 470-4UC12

The chromatographs have two to four analog outputs as standard, e.g. for displaying chromatograms. Additional with

programs, e.g. for recording the trends

BASIC

SIMATIC

of component results.

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

Resolution 10 bits No-load voltage 18 V Max. load 30 0 Ω Short-circuit-proo f Yes Permissible cable length < 200 m Slots required 1

outputs can be used

8 analog inputs 0/4 to 20 mA 6ES5 460-4UA12

The analog inputs can be used to calculate process signals with the results of the chromatograph or to print them out together in a log.

Range submodules

Two range submodules are required for each group of four inputs in addition to the basic module. All unused inputs must be equipped with a range submodule! There are submodules for voltages, currents and temperatures. Only the following range submodules will be described here:

0 to 20 mA 6ES5 49 8-1AA41 4 to 20 mA 6ES5 49 8-1AA71 (f our-wire!)

You can find the technical data of the other range submodules in e.g. Catalog ST 54.1 SIMATIC S5.

NOTE:

The 4 to 20 mA submodule i s also available as a two-wire version. This is only suitable if the sensor is passive and obtains its power supply via t he 20-mA line. This is usually not the case.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

+ 24 V GND 24

Output 1

Output 7

Setting of mode switches

There are two mode switches on the module. The fol-

lowing setting applies to the current measurement. It may be necessary to set other modes w hen using other range submodules.

Mode switch I 50 Hz mains frequency 60 Hz mains frequency Mode switch II

01000000 00000000 10001001

1 means ON, 0 means OFF. To switch a function ON you must press the switch at ON. This may be upper or lower position depending on switch model and board version. The print on the board is only valid!

Press the switches with a pointed object, but never with a pencil! Pencils leave behind conductive powder.

IMPORTANT: With the board -4UA1 3 the mode switch S II is rotated 180 ° ! So the lower position is ON and the pattern shown above must be reversed:

10010001.

3SIMATIC.CHP, Stand Dezember 22, 1999

Page 56

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Input 1

Input 6

+ 24 V GND 24

OFF

4UA12

Locations for plug-in range submodules

6ES5-460-

broken wire, channel 4 - 7 broken wire, channel 0 - 3

>>> line frequency 50 Hz

>>> w/o broken wire detect.

>>> normal mode (gain x 1)

single scanning

>>> cyclic scanning

line frequency 60 Hz

don´t care

special mode (gain x 4)

>>> two´s complement

>>> without compensation

>>> 500 mV / ... mA

50 mV

with compensation

result and sign

don´t care

= gedrückt

ADB 7 128

ADB 6 64

OFF

ADB 5 32

ADB 4 16

ADB 3 8

ADB 2 4

SIMATIC modules

ADB 1 2

ADB 0 1

Technical data

If you require detailed technical data, refer to e.g. Catalog ST 54.1 SIMATIC S5.

Rated range Overload range Resolution 0 mA

4 mA

20 mA Max. input voltage 18 V Relay multiplexer Cycle time for 8 inputs 0.48 s at 50 Hz Integration time 20 ms at 50 Hz

Max. shielded cable length < 200 m Slots required 1

0/4 to 20 mA 0/4 to 40 mA 0 units 512 units 2048 units

16.67 ms at 60 Hz

4UA13

>>> line frequency 50 Hz

6ES5-460-

>>> cyclic scanning

>>> w/o broken wire detect.

Locations for plug-in range submodules

>>> 500 mV / ... mA >>> normal mode (gain x 1)

>>> two´s complement >>> without compensation

broken wire, channel 4 - 7 broken wire, channel 0 - 3

single scanning

line frequency 60 Hz

don´t care

with compensation

result and sign

special mode (gain x 4)

thermometer low range

OFF

ADB 7 128

ADB 6 64

OFF

ADB 5 32

ADB 4 16

ADB 3 8

ADB 2 4

ADB 1 2

ADB 0 1

S I

S II

3SIMATIC.CHP, Stand Dezember 22, 1999

Page 57

Connection of control unit

CONNECTION OF CONTROL UNIT

The control unit is an

-compatible personal

IBM

computer. It can be permanently connected to the chromatograph, or it can be transported from chromatograph to chromatograph and only connected for a short time. In addition, more than one chromatographs can be operated using one control unit if they are in a network.

Every chromatog raph has four serial interfa ces on the PCPU-2 via which all chromatograph parameters can be accessed:

With

SER. 1 SER. 2 SER. 3 SER. 4

PGC 302

SER. 1 is connected as a TTY inter-

TTY or RS232

TTY or RS232 RS485 or RS232 RS485 or RS232

face, SER. 3 and SER. 4 are connected as RS485 interfaces to the terminal board for fixed wiring. With

RGC 202

SER. 2 is connected as a RS232 interface to the front of the chromatograph, SER. 3 and SER. 4 are connected as RS485 interfaces to the terminal board for fixed wiring.

TIMEOUT

RESET

PROG.

X 16 Station X 1 RUN

SER.4 SER.3

SER.4 SER.3 SER.2 SER.1

Local connection of control unit using prepared RS 232 cable

Connect the plug PCPU to the socket V.2 4 at the front of the chromatograph (RGC 202) or to the socket SER.2 at the PCPU respectively (PGC 302). Connect the other end to the socket com1: of the control unit.

NOTE:

The cable is inc luded in the delivery if you have ordered t he control unit from us together with the chromatograph.

WARNING: Explosion protection

You require permission if you wish to transport a laptop through the potentially hazardous atmosphere or if you wish to open a chro matograph in a divisi on 1 a rea.

Permanent local installation of control unit

The pin assignments of the RS232 interface are described in your control un it manual. Connect the cable according to the following diagram:

Control unit RS232 / COM1:

9 pin socket

GND

RxD TxD

PGC 302 Interface SER.2

9 pin socket

RGC 202 Socket at front

9 pin socket

Signal GND

5 2

TxD

RxD

Cable:

9 pin D-Sub female <-----> 9 pin D-sub male

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Page 58

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Page 59

ChromLAN networks

There are so many possibilities for generating networks with ChromLAN that no generally-applicable rules can be specified here. Anyhow we differentiate TTY networks and RS485 networks. You can find more details on the networking facilities in the register Software and networking.

Please also read the following topics on the next pages:

Pin assignments of PCPU interfaces SER. 1 to

SER.4

Participant number of chromatograph in network Loadable interface drivers Adjustment of transmission rate (baud rate)

ChromLAN networks

a b

Interface converters

Because the control units do not have RS485 interfaces, the RS232 interface of the control unit must be converted.

Set switches at the converter as shown in the drawing. Connect interface converter to socket com1: of the control unit. The cable is included in the delivery of the converter. Connect the chromatographs to the converter. The number of chromatographs connected to one converter must n ot exceed 15. For con nection diagram please refer to register External piping and wiring diagrams. On every chromatograph: adjust rotary switch for participant number in network. All chromatographs must have different participant numbers! With RS485 networks: activate terminating resistor on the PCPU-2 of the last chromatograph. Connect power cable of the converter or power supply respectively to power socket.

Below is an example of how the control unit, interface converter and chromatographs must be connected together.

Interface converter RS232 to RS485

Control unit

L PE

230V

GND

RxD

TxD

2 3 5 7

Tx On Rx On

T-RTS R-RTS

T-RTS Rx On

25 pin D-Sub female

RTS

RS232

com1:

1 2 3 4

RS485

RS232

DCE DTE

Moni RTS

PGC 302

Interface SER.3

a b

26 27

edition II

PGC 302

Interface SER.3

a b

26 27

edition II

RGC 202

Interface SER.3

a b

Terminatin resistor

17 16

edition II

TxD

Terminating resistor

Converter

b a

ChromLAN with RS485

3VERDRAH.CHP, Stand Dezember 22, 1999

RS485

RTS

GND

RxD

Page 60

ChromLAN networks

Permissible cable length

RS485 TTY

Permissible cable length

Recommended cable

HINWEIS:

The permissible cable le ngth with TTY depends on the baud rate. Note that the maximum distanc e is only half the value because there is a forward line a nd a return line!

1500 m 9600 Baud:

4800 Baud: 2400 Baud:

shielded, 2 x twisted in pairs

2 x 0,2

LiFYCY

shielded, 2 x twisted in pairs 2 x 2 x 0,5

400 m 1000 m 2500 m

Pin assignments of PCPU interfaces SER. 1 to SER. 4

Pin number on 9-pin plug of

PCPU-2 for

Standard Signal SER.1 SER. 2 SER. 3 SER. 4

RS232 GND

TxD RxD CTS DCD RTS

TTY TxD-

TxD+ RxDRxD+

RS485 a

1 2 3 5

6 7 8 9

1 2 3 5

1 2 3 5 6 7

6 7 8 9

8 9

Voltage +5V4444

All connectors on PCPU-2 are 9 pin D-Sub, female

Terminals for interfaces RS485: SER. 3 and SER. 4 TTY: SER. 1

(PGC 302

edition II

only)

TTY RS232

25 pin D-Sub female 25 pin D-Sub male

RxD +

RxD -

TxD +

TxD -

Active

TxD

Passive

Active

RxD

Passive

Interface converter RS232 to TTY

Control unit

L PE

230V

GND

RxD

TxD

2 3

com1:

PGC 302

Interface SER.1

TxD+

TxD-

21 20

RxD+

23 22

RxD-

DTE DCE

edition II

24 25

Power switch

Signal

RS485

TTY

a b

Shield

TxD-

TxD+

RxD-

RxD+

Looping

points

PGC 302

edition II

Termi nal board

SER.1 SER.3 SER.4

26 27

20 21 22 23 24 25

RGC 202

Terminal boar d

SER.3 SER.4

28 29

Terminals 24 a nd 25 are used as conn ection points for cables which must be looped th rough.

PGC 302

Interface SER.1

TxD+

RxD-

RxD+

TxD-

21 20

23 22

edition II

24 25

RGC 202

Interface SER.1

TxD+

TxD-

7 6

9 8

17 16

RxD+

RxD-

socket PCPU-2

edition II

19 18

edition II

TxD+ TxD-

TxD

RxD

GND

230V

RxD+ RxD-

L PE N

Converter

3VERDRAH.CHP, Stand Dezember 22, 1999

24 25 9 10

ChromLAN with TTY

Page 61

ChromLAN networks

Terminating resistors

RS485 lines must be terminated at both ends with 120-Ω resistors in order to prevent reflections. These resistors are fitted on the interface converter and the PCPU-2. They must be switched on using DIP switches. This is normally carried out on the interface converter of the control unit and on the PCPU-2 of the chromatograph which is farthest away.

PCPU-2 interface Jumpers

SER. 3 SER. 4

DIP switch

Station x1 Station x16

SER. 1

SER. 2

X 9 X 8 X11 X10

1 1

X6 X7

without terminating resistorwith

Participant number of chromatograph in network

There are two rotary switches STATION x1 and STATION x16 on the PCPU-2. The chro- matograph number in the network is set on these switches. Numbers from 1 to 15 are valid.

Always set the switch STATION x16 to 0, and set a number from 1 to 15 on the switch STA- TION x1 . The letters A, B, C, D, E, F corre- spond to the numbers 10 to 15.

Local oper ation

The participant number in the network is also effective if you wish to operate locally with the laptop. Only exception: if a ChromLAN network is not operated on the interface SER. 2, the d river UNIDRV2 is loaded there. The chromato graph then always has the participant number 1 at the interface SER. 2.

CAUTION: A participant number of 00 must not be set! The PCPU-2 is in service mode if bo th switches are set to 0.

TIMEOUT

RESET

PROG.

X 16 Station X 1 RUN

SER.4 SER.3

SER.4 SER.3 SER.2 SER.1

SER. 3

SER. 4

X6 X7

Loadable interface drivers

There are loadable drivers for all four interfaces. These are loaded into the PCPU-2 when the control software is programmed. Refer to The software: Installation of software.

Supplied PCPU-2 status without control software:

Interface Standard Baud rate

SER. 1 SER. 2 SER. 3 SER. 4

Standard drivers loaded:

Interface Driver Purpose

SER. 1 SER. 2 SER. 2 SER. 3 SER. 4

With the driver UNIDRV2, the chromatograph always has the participant number 1, independent of the switches Station.

RS232 RS232 RS232 RS232

UNIDRV1 UNIDRV2 TTYCLAN2 485CLAN3 485CLAN4

9600 baud 9600 baud 9600 baud 38400 baud

ChromLAN or printer Laptop, participant number 1 ChromLAN ChromLAN ChromLAN

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Page 62

ChromLAN networks

Setting of SER. 1 and SER. 2 to TTY or RS232

The interfac es SER. 1 and SER. 2 can be set to TTY or RS232 using DIP switches on the PCPU-2.

Interface SER . 2

Switch On/off Meaning

DIP 2 DIP 2

OFF ON

TTY RS232

Interface SER . 1

Switch On/off Meaning

DIP 4 DIP 4

OFF ON

TTY RS232

Setting of TTY to active/passive

The interfaces SER. 1 and SER. 2 can be operated as TTY interfaces. The plug-in jumpers X8 to X11 can be used to set the current source separately for the transmit and receiv e loo ps. Also re fe r to the register Networking: Various serial interfaces.

Adjustment of transmission rate (baud rate)

The transmission rates can be adjusted in three d ifferent manners:

Control unit interfaces

The interfac es com1: and com2: of the control unit can be adjusted using the software installation program. Refer to The software: Parameterization of control unit.

PCPU-2 interfaces SER. 1, 3, 4

The baud rates can only be adjusted using the configuration software. A matching interface driver must be programmed.

PCPU-2 interface SER. 2

The baud rate can only be adjusted on the DIP switch on the PCPU-2. The DIP switches are scanned by the driver software.

Switch On/off Meaning

DIP 1 DIP 1

OFF ON

9600 baud 4800 baud if TTY 38400 baud if RS232

Interface Jumpers

SER. 1 SER. 1 SER. 2 SER. 2

Transmitter Receiver Transmitter Receiver

X8 X9 X10 X11

aktive passive

The delivered status for both interfaces is passive. This setting also acts on the terminals for interfaces A and B.

Setting of SER. 1 for local pr inter or Ch romLAN

If the driver UNIDRV1 is loaded for the interface SER. 1, a DIP switch on the PCPU-2 can be used to set whether a local message printer is connected to this interface or whether a ChromLAN is to be operated there.

Switch

DIP 3 DIP 3

On/off OFF

Meaning

Local printer ChromLAN

DIP switch

Station x1 Station x16

SER. 1

SER. 2

SER. 3

SER. 4

X 9 X 8 X11 X10

X6 X7

IMPORTANT:

When delivered, the DIP switch is set to

00000000. Switches 5 to 8 must always be switched off in normal operation. Only positions xxxx0000 are permissible when operating the chromatograph.

3VERDRAH.CHP, Stand Dezember 22, 1999

Page 63

Technical data

TECHNICAL DATA

Climatic conditions

Permissible ambient temperature

Permissible storage temperature Permissible relative humidity without purging

With FID, FPD, ECD

With TCD Protection against dust and humidity

to EN 60529 / VDE 0470, part 1 / IEC 529

Power supply

Power supply Power consumption

Approx. 0.3 / 0.5 kVA with 2 ovens and 100 / 180 °C

External mains fuse, for 230 / 115 V

Dimensions and weights

Dimensions in mm (w x h x d) With FDV at side

Weight

Electromagnetic compati bility

Radiointerference suppression

To VDE 0875 / EN 55011 / CISPR 11 limit class B

EMC

Conducted interferences on AC power supply lines – To Part 4 (burst) 2 kV – To Part 5 (µs pulses), line against line 1 kV – To Part 5 (µs pulses), line against earth 2 kV Conducted interferences on signal lines – To Part 4 (burst) 1 kV Interference immunity to discharges of static electricity – To Part 2 (ESD) 8 kV Interference immunity to fields – To Part 3 and Part 6 10 V/m

230 or 115 V +10 % -15 %, 48 to 63 Hz

To DIN VDE 0843 / IEC 801, Part x

Upward or downward deviations

5 to 40 °C

possible depending on design

- 30 to 70 °C

Max. 80 % at 25 °C Max. 60 % at 40 °C

Max. 90 %

IP 54

Max. 2 kVA in heating-up phase

16 / 20 A

600 x 1200 x 420 790 x 1200 x 420

Approx. 90 kg

Ovens

Number Air circu lati on N

purging

Dimensions (w x h x d) Max. heating capacity Temperature range

with coolin g unit Max. temperature difference between ovens Temperature stability Temperature accuracy Temperature gradient Variation in retention time per

10 K change in ambient temperature Heating-up time from 30 to 160 °C

220 x 260 x 195 (or 145) mm

60 to 260 °C (*1)

5 to 180 °C (*1)

± 0.1 K (60 to 180 °C)

± 3 K (60 to 180 °C)

± 2 K (at 180 °C)

Approx. -0.3 %

60 minutes

Columns and gases

Column type

Capillary columns with 0.20 to 0.53 mm internal diam.

Column switching

Gas connections

except purging gas, 6 mm ( liquid injection valve, 3 mm (1/8") Swagelok and heated gas connections 6 mm (

Gas purity (minimum requirements)

Packed columns with 3 or 4 mm (

Multi-dimensional chromatography

with backflushing and live cutting

for packed and capillary columns,

or with valve switching for packed columns

Pipe 3 x 0.5 (approx. 1/8")

⁄8") diam.

⁄4") Swagelok

≥ 99.999 %

Control air and purging air

Type of gas Permissible relative humidity

Control air and purging air for Division 1

Control air at least 2 bar above carrier gas pressure

Purging ai r for Di visi on 2

Corrosion pr otecti on purg ing Housing volume of pressure enclosure Enclosure prepurging

Operating phase

Compressed air, free of oil, water and dust

Dew point more than 5 K

below the lowest ambient temperature

4 to 6 bar

restricted to 10 ... 200 l/min

depending on purging situation

Approx. 2 to 10 l/min

Approx. 140 l

130 to 200 l/min for 12 minutes

8 to 12 l/min

1 or 2

None

Possible

800 VA

100 K

Safety

Electric safety Explosion protection

DIN VDE 0411 / IEC 1010

EEx pde IIB+H

, T2, T3 or T4,

division 1 or 2

Sample

Solid particles

(*1)

The following limit temperatures apply to chromatographs with explosion protection according to the following tempera ture class

Two-stage monitor ing by

in liquid sample < 0,3 µm

in gaseous sample < 0,1 µm

Max. 120 °C with T4 Max. 180 °C with T3 Max. 280 °C with T2

Limit temperatur es Safety temperature limiter

3DATEN.CHP, Stand Dezember 22, 1999

Page 64

Technical data

Detectors

FID

Detection limit for hydrocarbons referred to carbon

Dynamic response Automatic ignition Max. operating temperature

Combustion and carrier gases

Combustion air

FPD

Detection limit for sulphur Detection limit for phosphorus Sulphur characteristic Linear range for phosphorus Max. operating temperature, classified Max. operating temperature, non-classified

Carrier gas Combustion gas Combustion air

TCD

Detection limit for ethane in H2 at width at half peak height = 6 s

Linear range Cell volume, standard/micro Max. operating temperature, classified Max. operating temperature, non-classified

Carrier gas

ECD

Detection limit for lindane Linearity Max. operating temperature, non-classified Activity (Ni 63)

Purging gas and carrier gas (N

, 95 % argon/5 % methane)

20 to 60 ml/min (H

10 to 40 ml/min (N

10 to 60 ml/min (H

-12

2 x 10

, N2 , He, Ar)

2 x 10 9 x 10

Approx. quadratic

60 to 80 ml/min (H

100 to 150 ml/min

-9

3 x 10

g/ml (2 ppm)

0.35 ml / 70 µl

, N2, He, Ar)

5 x 10

Total 15 to 50 ml/min

g/s

280 °C (*1)

0.4 l/min

-11

g/s

-13

g/s

180 °C (*1)

300 °C

, Ar)

≥10

180 °C (*1)

200 °C

-14

g/s

>10

350 °C

370 MBq

Injection

Liquid injection valve

Injection volume

Vaporization temperature Sample pressure

0.6 to 9.5 µl

60 to 400 °C (*1)

0.1 to 50 bar abs.

Diaphragm valve

Injection volume Max. operating temperature Sample pressure

2 bar abs. below control air pressure

0.2 to 2 ml 160 °C

0.9 bar to

Rotary slide valve

Injection volume Max. operating temperature

Sample pressure

0.01 to 10 ml possible 220 °C (*1)

0 to 20 bar abs.

Electronics

CPU

)

Microprocessor Clock Dynamic RAM Flash EPROM Software

Loadable from control unit

Interfaces

Number

Transmission rate

Loadable drivers

Networking

Control system coupling

ChromLAN, redundant also possible

RK512, D3964R, Modbus,

message printer, local operation

Inputs/outputs: basic configuration

Digital outputs 0.5 A Digital inputs Analog outputs

Vacant slots

24, 16 of which for optional use

16, 8 of which for optional use

750 Ω max. load, 10-bit resolution

5 x single width (single channel)

4 x single width (double channel)

Intel 80C186-16

12.5 MHz 512 Kbyte 431 Kbyte

2 x TTY or RS 232

2 x RS 485 or RS 232

Up to 38400 baud,

adjustable in software

TELEPERM M (RK512)

Honeywell (Modbus)

4 x 0/4 to 20 mA

3DATEN.CHP, Stand Dezember 22, 1999

Possible extensions with SIMATIC modules

32 digital outputs 16 digital outputs 32 digital inputs 16 digital outputs

and 16 digital inputs 8 analog outputs

8 analog inputs

24 V / 2 A, double width

0 to 20 mA or 4 to 20 mA

300 Ω max. load, 10-bit resolution

0/4 to 20 mA, 12-bit resolution

Input resistance 25 Ω

24 V / 0.5 A

24 V

Page 65

Technical data

Control

Sample streams Sample sequence Analytical method

Time program Clock time pr ogram

Chromatogram on the recorder Status display

Approx. 80 individual messages:

Ready signal

Purging alarm

Two-channel evaluation

Evaluation proced ure

Mixed mode = area standardization and external standard

Chromatogram display

Peak recognition Peak separation Component list Results Raw data

Uncompressed for new calculation in control computer

Result log Trend recording Calibration

BASIC, possible applications

Compressed for storage of chromatogram

Max. 32

32 lines, sample enable list

One in the chromatograph

Any number in the control unit

2 x 55 lines

for valves and BASIC programs

Freely selectable using status form for

digital output

housing temperature, BASIC programs,

peripherals, automatic updating

Relay contact, max. 0,5 A / 100 V / 10 W

100% for all peaks in the component list

Peak markers, names, retention times

Zoom with pilot chromatogram

Automatic, can be parameterized

Optional design using BASIC

With BASIC and analog outputs

calculation of external signals

digital output

Maintenance request

Controllers, detectors,

analysis control, gas supply,

Digital output 24 V/0.4 A

Floating contact, max. 1 A

Area standardization

External standard

Internal standard

Mouse operation

Perpendicular or tangent

2 x 64 components

automatic updating

Calculation of results,

determination of status,

via analog and digital inputs

16 lines

2 channels

Alarm

and for printer

On the screen

ASCII file

Manual,

Recommended control unit

IBM-compatible personal computer Processor Clock Hard disk Diskette drive Graphic adapter Interfaces

RAM Operating system Mouse

Desktop or Laptop

80386SX or larger

≥33 MHz

≥ 40 MB

3.5" / 1.44 MB

VGA, EGA, CGA

2 x serial

1 x parallel

≥ 640 kB

MS-DOS 6.2

For chromatogram operations

3DATEN.CHP, Stand Dezember 22, 1999

Page 66

Contents

COMMISSIONING AND SHUTTING DOWN

Page

Commissioning

Connection of gases . . . . . . . . . . . . . . . . . . 2

Adjustment of gases . . . . . . . . . . . . . . . . . . 2

Switching on the chromatograph . . . . . . . . . . 2

Purging the electronics area . . . . . . . . . . . . . . 3

Additional for service and initial commissioning

Connection of control unit . . . . . . . . . . . . . . 3

Connection of exhaust lines . . . . . . . . . . . . . . 3

Adjustment of detectors . . . . . . . . . . . . . . . . 4

Shutting down

. . . . . . . . . . . . . . . . . 6

4INHALT.CHP, Stand Dezember 22, 1999

Page 67

Commissioning and shutting down

COMMISSIONING

Carry out all operations in the sequence listed in these instructions to prevent damage to the chromatograph.

CAUTION

Carry out all operations in the sequence listed in these instructions to prevent damage to the c hroma tograph .

Connection of gases

Check that all gas lines correspond to the piping diagram and that all gases and gas lines are clean Purge the gas lines again under high pr essure Remove dummy plugs from the gas inlets and outlets on the chromatograph Connect the gas lines according to the piping diagram

Switching on the chromatograph

Switch on the mains switch.

NOTE: PGC 302

The PGC 302 doesn’t have a mains switch. We recommend an external master switch. The power supply for the classified PGC 302 for division 1 is connected via a safety monit oring unit. Refer to

Purging the electronics area

WA RNING: Danger of explosion

Hydrogen and air can form an explosive mixture. If you switch on the FID

all gas pipes must be airtight the column must be connected the exhaust gas outlet must not be closed.

CAUTIO N withTCD

The filaments can burn out if you subject the TCD to improper use. Never operate the TCD without gases.

Adjustment of gases

Open up the gases in the following order: control air, carrier gas, combustion gas, combustion air, purging N

(ECD) and, if applicable, protective gas

or purging gas

For classifie d

PGC 302

only:

Protective gas for classifi cation

Check that the gas pressure corresponds to the rating plate

WARNING

Observe the explosion protection regulations if you are commissioning a classified c hroma tograph !

Carrier gas, FID/FPD combustion gas, ECD purging gas

Adjust the pressure on the fine pressure regulator in the chromatograph according to the application data Measure the carrier gas pressure and flow at the outputs detector, backflushing, cu t and exhaust. The measured values should approximately correspond to the application data. Because the chromatograph is cold, the measured flows should be larger than the application data.

WA RNING for ECD

The ECD must never be heated without nitrogen purging. Do not switch on the chromatograph un til purgi ng is guaran teed.

4INBETR.CHP, Stand Dezember 22, 1999

Page 68

Commissioning and shutting down

PGC 302 only: Purging the electronics area

The electronics area must be purged for corrosion protection or explosion protection in division 2 or 1 areas. Close the electronics door!

PGC 302

in division 2 area

Adjust a suitable flow for the protective gas on the needle valve/rotameter, max. 20 l/min Purge the chromatograph with at least 1400 l Reduce the flow to 10 to 20 l/min, the pressure switch must still be activated reliably

NOTE:

The needle valve with rotameter is not part of the chromatograph. It must be mounted externally.

The pressure swit ch is instal led in the chrom atograph. Regis-

Connection of status messages to control room

ter 3: how it is connected. If your control unit is permanent ly connected to the chromatograph, you ca n observe the s tatus of the purging pressure on the former.

If the control unit is not permanently connected to the chromatograph, it is possible e.g. to connect a lamp to the digital

Maintenance request

output ure must be assigned to scribed in Register 5:

. The status of the purging press-

Maintenance request

Status

describes

. This is de-

in division 1 area

Open external purging gas valve Switch on chromatograph using external master switch Press the switch ON on the control panel of the purging time controller (key switch not to Bypass). You can find more details in the register Informa- tion for the user: Explosion protection. The controller switches the chromatograph on after 12.5 minutes. If it does not, check the purging gas pressure and also for leaks. The purging gas pressure must be 4 to 6 bar.

ADDITIONAL FOR SERVICE AND INITIAL COMMISSIONING

Only for classified

PGC 302

position the key switch of the purging time controller to Bypass. The door to the electronics area can now be opened without the chromatograph being switched off by the controller.

in division 1 area:

WA RNING

You require a permit if you wish to operate the chromatograph with the electronics door open. Always refer to the information i n the register

protection

Information for the user: Explosion

Connect the local control unit to the chromatograph as described in the register Installation: Connection of control unit, and start the operating software as described in the register Software and networking: Starting the software.

NOTE:

If you use your own applications, or if the PCPU-2 of the chromatograph has been replaced, you must first program the control software in the chromatographs and also configure the units if necessary. This is described in the regis-

Software and networking

ter

Now adjust the detectors as described on the next two pages. Then r eturn to h ere!

Connection of exhaust gas lines

Connect the exhaust gas lines to the gas outlets of the chromatograph according to the piping diagram.

Starting process operation

If the application is correct, switch the mode Process operation on. Process operation starts automat-

ically as soon as the chromatograph signals that it is ready. Disconnect the cable of the local control unit from the chromatograph, and close the door to the electronics area.

4INBETR.CHP, Stand Dezember 22, 1999

Activation of explosion protection

Only with classified

PGC 302

over the key switch on the purging time controller after approx. 10 se conds. The safety monitor ing function is now active again.

in division 1 area: switch

Page 69

Commissioning and shutting down

ADJUSTMENT OF DETECTORS

All detector parameters are adjusted using the control unit. You can find more details in Register 5: Detectors.

Change to operating mo de Maintenance sing le run. Check the analysis parameters. A method is not installed in the chromatograph if the function displays do not show any valves, detectors, temperatures, etc. You must install the methods. Refer to register Operation with keyboard and screen. Select the function Signals in the selection display. – Switch off the baseline correction – Select the function Without compensation – With TCD: select the polarity according to the

application data

With TCD: initial adjustment

Follow the instructions under Adjustment of TCD: Switching-on of bridge current and Adjustment of measuring bridge.

Stabilization of operating temperatures

Please observe: With have their own heaters. They are heated together with the oven. It takes 60 to 90 minutes until the oven temperature has stabilized.

PGC 302

the FID and TCD do not

Adjustment of TCD

Switching-on of bridge current

Already switch the bridge current on when the oven/TCD is cold. The bridge current additionally warms up the TCD and is stabilized together with the oven temperature. Select the function Signals in the selection display.

Set the bridge current according to the application data Switch on the bridge current. Observe the detector signal on the screen. It must change when the bridge current is switched on.

Adjustment of measuring bridge

Select the function Autozero. Observe the detector signal on the screen. It becomes zero.

Adjustment of bridge limit temperature

The bridge temperature is monitored by the detector electronics. If the temperature is too high, the detector electronics switches off the bridge current and signals an alarm. The bridge limit temperature can only be set in the configuration using the editor.

Checking the gas flows

Once the oven and de tect ors h ave reached th e o pe rating temperatures, measure the carrier gas, combustion gas and combustion air exhausts at the detector output. Compare the flows with the application data and corr ect if necessary using the fine pressure reg ulator.

Adjustment of FID, FPD, ECD or HID

Now follow the complete instructions u nder Adjustment of FID and FPD, Ad justment of ECD or Adjust ment o f HID.

With TCD: final adjustment

Follow the instructions under Adjustment of TCD: Adjustment of measuring bridge.

Finished!!!

4INBETR.CHP, Stand Dezember 22, 1999

Page 70

Commissioning and shutting down

Adjustment of FID and FPD

Ignition of detector

Select the function Signals in the selection display, and observe the detector signal there. The detector signal must rise following ignition. This detector signal is the detector baseline current. Select the function Without compensation.

Checking of baseline current

If you are using a conditioned column, you must wait approx. 30 minutes until the column has stabilized and a stable baseline current has been set. Compare the current with the application data.

If the value is significantly larger than that in the application data, check the oven temperature and whether the gases and piping are clean (the flame should be colourless).

Compensation of baseline current

Select the function Autozero. Observe the detector signal on the screen. It becomes zero.

Adjustment of ECD

Adjustment of reference current

Select the function Signals in the selection display, and set the reference current according to the application data (standard is 100%).

The detector signal decreases and becomes constant after a while. If you put in commission the ECD for the first time this takes some hours till some days because all pipes have to become free of hydrogen and oxy gen. Finally the detector signal should be less than 2 kHz.

Compensation of baseline current

Select the function Autozero. Observe the detector signal on the screen. It becomes zero.

Select attenuation

Select the attenuation according to the application data sheets.

CAUTION: Radioaktive!

The ECD is a radiator and is subject to governmental supervision. Observe the regulations!

Route all exhaust gases via a common line out of the chr o ma to gra ph an d away from t he position of use.

Observe the maximum operating temperature of this detector!

4INBETR.CHP, Stand Dezember 22, 1999

Page 71

Commissioning and shutting down

Adjustment of HID

Select drain voltage

In the

RGC 202

cated on the right, near the needle valves. Select the lower position. This corresponds to a drain voltage of 270 V.

Select attenuation 18 ... 20 and damping 4

Wait for stabilization

Depending on gas purity it takes at least 24 hours to decrease the baseline to 50 % in attenuation 15. If this cannot be reached please rege nerate the gas purifier!

Increase drain voltage

In the

RGC 202

cated on the right, near the needle valves. The upper position corresponds to a drain voltage of 300 V. Please select now 300 V. Thus the sensitivity of the HID is increased.

the switch for the drain voltage is lo-

SHUTTING DOWN

The column and detector become least contaminated when the chromatograph is kept in operation. Do not switch off the chromatograph if the plant is shut down for a short period (up to 3 weeks). Also leave the flames on in the FID and FPD so that vaporized material s from the column cannot condense. Only switch off the output devices.

If the chromatograph is nevertheless to be shut down, the following sequen ce is re commen ded:

If you have modified the original application data and wish to use the chromatograph with these data again, store them on the control unit and on a diskette. Refer to register Operation with keyboard

and screen: Saving of method s on control unit

Switch off all sample streams. Purge the sample lines if necessary, and blow the lines dry Switch off the power supply Switch off the combustion gas and combustion air for the FID and FPD, and the purging gas for the ECD Allow the detectors and oven to cool down Switch off the carrier gas Close the detector outlets using a dummy plug. This prevents contamination from entering the detectors via the common exhaust gas line.

Compensation of baseline current

Select the function Autozero. Observe the detector signal on the screen. It becomes zero.

Select attenuation

Select the attenuation according to the application data sheets (usually not lower than 9).

CAUTION: Radioaktive!

The HID is a radiator and is subject to governmental supervision. Observe the regulations!

Route all exhaust gases via a common line out of the chr o ma to gra ph an d away from t he position of use.

Observe the maximum operating temperature of this detector!

4INBETR.CHP, Stand Dezember 22, 1999

Page 72

Process Gas Chromatographs, Supplement

Operation via Keyb oard and Screen C79000-B5376-C526-1

This manual is valid as from software version V8.0 It contains everything that is new or has been changed compared to software version V5.0

Page 73

Contents

CONTENTS

Page

DETECTORS edition II

Igniting FID/FPD, switching-on TCD . . . . . . . . 4

Switching off the TCD bridge current . . . . . . . . 5

Adjusting the detector current . . . . . . . . . . . . . 5

TCD status display . . . . . . . . . . . . . . . . . . 5

Changing the polarity of the TCD signal . . . . . . . 5

Compensating the baseline current

Adjusting the TCD bridge . . . . . . . . . . . . . . . 5

Selecting the range . . . . . . . . . . . . . . . . . . 6

Baseline monitoring . . . . . . . . . . . . . . . . . . 6

CHROMATOGRAPHS edition II : CHROMATOGRAM ON THE RECORDER

Extending the analog outputs . . . . . . . . . . . . . 8

Converting th e analog outputs . . . . . . . . . . . . 8

Attenuation . . . . . . . . . . . . . . . . . . . . . . 9

Changing the polarity . . . . . . . . . . . . . . . . 10

Damping . . . . . . . . . . . . . . . . . . . . . . . 10

Baseline offset . . . . . . . . . . . . . . . . . . . . 10

Baseline correction . . . . . . . . . . . . . . . . . 11

Triggering a baseline correction . . . . . . . . . . . 11

Cancelling the baseline correction . . . . . . . . . 11

New integration procedures and other improvements

Selecting the integration procedure . . . . . . . . 12

100 % over all peaks: area standardization . . . . . 13

External standard . . . . . . . . . . . . . . . . . . 13

100 % over all components . . . . . . . . . . . . . 13

Mixed mode . . . . . . . . . . . . . . . . . . . . . 14

Internal standard (only laboratory version) . . . . . 14

External standard (only laboratory version) . . . . 15

Three new time events program parameters . . 16

Switching over the peak width . . . . . . . . . . . 16

Drawing baseline from trough to trough . . . . . . 16

Terminate integration prematurely . . . . . . . . . 16

Page

Reintegration new!

Switching the automatic raw data

transmission on or off . . . . . . . . . . . . . . . . 18

Run longer than 20 minutes?

Define compression factor . . . . . . . . . . . . . 18

Increasing the compression . . . . . . . . . . . . . 18

Shifting the start of raw data storage . . . . . . . . 18

Selecting the run . . . . . . . . . . . . . . . . . . 19

Viewing the chromato gram or resu lt . . . . . . . . 19

Optimizing the integration parameters . . . . . . . 20

Reintegration at desk without chromatograph . . . 20

Further useful information . . . . . . . . . . . . . 21

Print the chromatogram and results following each run

Installation . . . . . . . . . . . . . . . . . . . . . . 22

Hardware requirements . . . . . . . . . . . . . . . 22

Switching the automatic printing on or off . . . . . 22

Optimization of time events program

for chromatogram printout . . . . . . . . . . . 23

Switchover time . . . . . . . . . . . . . . . . . . . 23

Measuring range . . . . . . . . . . . . . . . . . . . 23

Chart drive . . . . . . . . . . . . . . . . . . . . . . 23

Baseline offset . . . . . . . . . . . . . . . . . . . . 23

Test printout . . . . . . . . . . . . . . . . . . . . . 24

Manual printout of chromatogram . . . . . . . . . 24

Faults when printing . . . . . . . . . . . . . . . . 24

Manual printing of results . . . . . . . . . . . . . 25

Miscellaneous

Date/time . . . . . . . . . . . . . . . . . . . . . . 26

Baseline monitoring . . . . . . . . . . . . . . . . . 26

Temperatures and cooling . . . . . . . . . . . . . . 26

Analytical method . . . . . . . . . . . . . . . . . . 26

Analog inputs and outputs . . . . . . . . . . . . . 26

Display Peak recognition modified . . . . . . . . . 27

Display Raw data/Print modified . . . . . . . . . . 27

Correction of errors in Register 5, V5.0 . . . . . . 28

5INHALT.CHP, Stand Dezember 22, 1999

Page 74

Detectors

DETECTORS edition II

The chromatographs with the supplement

editionII

have digital detector amplifiers. These amplifiers are of double Eurocard size and are inserted next to interface mo dule 3 in the electronics fram e. The amplifiers have no control elements, all settings are made using the control unit.

Software version V8.0 or later is required in the chromatograph and in the control unit in order to operate these chromatographs. The displays Sum- mary and Signals have been modified and adapted to the new input functions.

The chromatographs of the old generation are operated exactly as previously. Only the display Signals has been adapted to the new appearance. This is shown by the two Figs. on the right.

Igniting FID/FPD, switching-on TCD

Please refer to the instructions in the Register Commissioning: Switching on chromatograph with

FID/FPD or TCD.

IMPORTANT: Only ignite the FID or FPD when the detector temperature is higher than 120 °C , or the ExFID when the oven temperature is stable. This prevents the condensation of water in the detector.

Only swi tch on the TCD w hen carrier gas has flown through the sample and reference lines for at least 5 minutes.

Select the function Signals in the selection display. Ensure that you select the correct channel! Position the cursor to the column of the detector you wish to sw itch on or ignite. Then press the key

F7: Ignite/Switch on

FID, FPD

The chromatograph outputs five ignition sparks to the detector. Observe the detector signal: it must increase if the detector has ignited.

TCD

The chromatograph switches the bridge current on. Observe the detector signal: it must increas e when the T CD is switc hed on. Adjust the measuring bridge if necessary.

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Page 75

Detectors

Switching off the TCD bridge current

Select the function Signals in the selection display. Ensure that you select the correct channel! Position the cursor to the column of the detector you wish to sw itch off. Then pres s the key .

F6: TCD switch off

Adjusting the detector current

The TCD requires a bridge current, the ECD a reference curren t. Select the function Signals in the selection display. Move the cursor for the desired channel to the line Bridge/Reference current. Enter the desired value using the digit keys, and confirm with .

RETURN

TCD status display

The chromatograph indicates in the display Signals whether the TCD bridge is switche d off or on.

TCD bridge monitoring

The chromatograph switches off the bridge current if the bridge resistance becomes too large and signals Alarm.

The exact mode of operation of the bridge current monitoring function is described in Register 9: TCD electronics.

Changing the polarity of the TCD signal

Select the function Signals in the selection display. Ensure that you select the correct channel! Position the cursor to the column of the detector you wish to adjust. Then press the key .

NOTE:

Ensure that the cursor is in the display are a wise the function acts on the recorder inste ad of on the detector amplifier!

F8: change polarity

Detector

. Other-

The exact mode of operation of the polarity switching function is described in Register 9: Detector elec- tronics.

Compensating the baseline current Adjusting the TCD bridge

Select the function Signals in the selection display. Ensure that you select the correct channel! Position the cursor to the column of the detector you wish to adjust. Then press the key .

F9: autozero

5DETEKTO.CHP, Stand Dezember 22, 1999

The exact mod e of op erati on of the comp ens atio n fun ction is described in Register 9: Detector electronics.

Page 76

Detectors

Selecting the range

The detector amplifier can be switched in a maximum of nine ranges to enable optimum processing of the large dynamic response of the detector signal. These ranges each differ by a factor of 2. The dynamic response within a range is ap prox. 10

The range is selected once according to the measurement. It can also b e switched over from the time program. Thus detector signals can be measured with a dynamic response of almo st nine decades.

Select the function Signals in the selection display. Move the cursor for the desired channel to the line Set range. Enter the desired value using the digit keys, and confirm with .

Input limits for range

RETURN

FID FPD TCD ECD

0 ... 8 0 ... 8 0 ... 4 0 ... 8

Baseline monitoring

The chromatograph monitors the detector baselines. The chromatograph signals a fault if the set limits are violated (see Section Status and alarms).

This monitoring function can be used to determine whether e.g. the flame of the FID is still alight or whether a detec tor is h ighly co ntaminated.

Select the function Signals in the selection display, and move the cursor to the desired input field. Enter the zero limits as an attenuation (-21 to 21) which must not be fallen below or exc eeded.

NOTE:

This monitoring function is only effective during the run and only in the areas in which the peak recognition does not find any peaks.

If you do not require this monitoring function, enter -21 for the lower zero limit and 21 for the upper zero limit.

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Page 77

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Page 78

Chromatogram on the recorder

CHROMATOGRAPHS edition II : CHROMATOGRAM ON THE RECORDER

The detector amplifiers

edition II

directly deliver the digital detector signal for the internal evaluation. The integration time is 40 ms as previously.

The detector s ign al is co nv er ted ag ai n by the ch ro mat ograph into a n analog signal for the re corder output. It takes into consideration the attenuation, polarity, damping and baseline offset. These parameters thus only have an effect on the recorder. The detector signal for the integration is not influenced by them.

The chromato graphs

edition II have four analo g outputs

at terminal s. The output is a lo ad-independent curr ent of 4 to 20 mA or 0 to 20 mA. During the configuration phase it is possible to define that the recorder signal is to be output at these analog outputs.

Extending the analog outputs

The

PGC 302

of 36 analog outputs, the the

PGC 102

there are

edition II can be extended up to a maxim u m

RGC 202

to a maximum of 18,

to a maximum of 12. For this purpose

SIMATIC

modules with eight analog outputs each. These are primarily used to output component results as a trend recording (see there).

NOTE:

For compatibility reasons, the analog outputs 35 and 36 c annot be configured for output of the chromatogram on the recorder.

Detektor

Schreiberausgabe

Auswertung

Schreiber

Converting the analog outputs

The standard analog out puts can be set to 4 to 20 mA or 0 to 20 mA using plug-in jum pers. This is described in the Register Installation.

NOTE: The chromatographs of the older generation are operated exactly as previously. Only the display Signals is adapted to the new appear- ance. This is s hown on the right.

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Page 79

Ionization detectors

Range Detector current 0(4) to 20 mA in attenuation

0 0 1 2 3 4 5 6 7 8

0 to 0.80 pA

0 to 13 nA 0 to 26 nA

0 to 52 nA 0 to 0.104 µA 0 to 0.208 µA 0 to 0.416 µA 0 to 0.832 µA 0 to 1.664 µA 0 to 3.328 µA

0 14 15 16 17 18 19 20 21 22

Chromatogram on the recorder

Attenuation

The attenuation is the factor by which the detector signal is to be reduced (attenuated) for the recorder output. This is represented as a two’s exponent 2

Select the function Signals in the selection display and move the cursor for the desired channel to the line Re- corder/Attenuation. Enter the desired value using the numeric keypad and co nfirm using .

Relationship between recorder sign al and detecto r signal

The attenuation always refers to the direct detector signal independent of the range setting. The signal amplitude at the recorder output does not change when the range is switched over because the chromatograph takes into account the range during the digital signal processing. However, since the ranges are not calibrated with respect to one another, the signal may nevertheless differ by up to 10 %.

The tables on the left list the relationship between the detector and recorder signals for the various detectors.

to 222.

RETURN

TCD

Range Detector voltage 0(4) to 20 mA in attenuation

0 0 1 2 3 4

0 to 30.5 µV

0 to 31.25 mV

0 to 62.5 mV

0 to 125 mV 0 to 250 mV 0 to 500 mV

0 10 11 12 13 14

Digital increments

It is not meaningful to combine a large range with a small attenuation. Digital steps become visible on the recorder if the attenuation is too small. If the attenuation is too large, large peaks already reach the internal full-scale value before the recorder full-scale value has been reached.

Largest attenuation The attenuation should never be selected to be larger than that which corresponds to the full-scale value in the respective range. Smallest attenuation The attenuation should always be selected larger than the value for the range. Example Range 4 with FID requires a minimum attenuation of 5 and a maximu m attenuatio n of 1 8.

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Page 80

Chromatogram on the recorder

Changing the polarity

Negative peaks can be output as positive on the recorder by entering Polarity negative. Negative peaks are obtained e.g. with TCD if the carrier gas is argon, or if components are also measured in the reference branch.

Select the function Signals in the selection display, and move the cursor to the desired channel. Then press

F8: change polarity

Damping

The damping of the recorder signal can be set in five steps. A damping of 0 to 4 corresponds to a time constant of 40 to 400 ms. This damping has no effect on the integration!

Select the function Signals in the selection display, and move the cursor for the desired channel to the line Damping. Enter the desired value using the numeric keypad and then confirm using .

RETURN

Baseline offset

The recorder output can output negative signals down to -1 mA. If you wish to output small negative peaks on the recorder without adjusting the recorder itself, you can raise the zero line for the recorder output. This baseline offset can be adjusted to 0 to 99 % of the recorder out put.

Select the function Signals in the selection display, and move the cursor for the desired channel to the line Ba- seline offset. Enter the desired value using the numeric keypad and then confirm using .

RETURN

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Page 81

Chromatogram on the recorder

% recorder deflection

100

baseline offset

baseline correction

time

Baseline correction

The baseline can drift if the detector is contaminated or if the supply gases are not pure. A baseline correction can be triggered to ensure that the recorder does not run to the limit. The chromatograph stores the actual value of the signal at this moment. From now on, it subtracts this value from the detector signal. In other words: if a baseline correction is triggered, the recorder output jumps at this moment to zero or to the value you have entered as the baseline offset.

Executing a ba sel ine co rrecti on

Select the function Signals in the selection display, move the cursor to the desired channel and press the

F9: Baseline correction

key .

NOTE:

Only carry out a baseline correction at positions in the chromatogram where no peaks are pres ent.

Cancelling the baseline correction

Select the function Signals in the selection display, move the cursor to the desired channel and press the

F10: w/o basel.corr.

key .

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Page 82

Integration

New integration procedures and other improvements

The integration procedures have been significantly extended since the software version V1.0:

Integration procedure Software version

External standard V1.0 and later 100% over all peaks (area standardiza tion)

100% over all measured components Internal standard

Mixed mode V7.0 and later

In addition, the integration software V7.0 of the chromatograph contains the following improvements:

Area stan dardiza tion ( percen tage me thod) improv ed – U nknown peak s – M ore than 64 peaks – Auto matic filling-in of component list Three new time events program parameters – P eak width – Baseline from trough to trough – Premature termination of integration

V5.0 and later

Integration

Selecting the integration procedure

Select the function

Integration

and position the cursor to the channel for which you wish to select the integration procedure. Press the space key, select the evaluation procedure using

CURSOR UP/DOWN

RETURN

in the selection display,

, and confirm using

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Page 83

Integration

100% over all peaks : area standardization

This is the integration procedure for which the least data have to be entered. The chromatograph fills in the component list itself and calculates the peak areas according to

Mi = Ak =

The area standardization has been improved in software version V7.0 in three points:

Unknown peaks

The area standardization no longer overwrites an existing component list. If a peak can b e assigned to an e xisting componen t line, its result is entered there. Unknown components area appended to the known components in the component list. They can be recognized by a dash instead of a component name. During the next run, only those components are overwritten again whose name begins with "-" .

More than 64 peaks

If a chromatogram has more than 64 peaks, the 63 highest peaks are entered into the component list. The areas of th e remaining pe aks are added as component 64 und er the na me "- (R EST)".

Automatic filling-in of component list

This only functions if you completely delete the component list prior to the run. The chromatograph automatically enters a retention time and a retention window into the component list for each peak. The window width is calculated by the chromatograph from the retention time and the parameter "Peak width". Further default settings are entered by the chromatograph into the component list.

∗100

∑

Concentration of components in percent Areas of all peaks

External standard

A calibration sample with known composition is analyzed. The concentrations of the components are then entered together with a dimension into the calibration list. The chromatograph then calculates the calibration factors for each peak.

Mi = Concentration of components in the dimension

which you entered in the calibration list

The chromatograph calculates the concentration of individual comp onents ac cording to

∗

= A

Please also refer to Register 5 under

= Concentration of components in the dimension

you entered in the calibration list

Calibration

100% over all components

This integration procedure can be used if all components of the sample are measured but their total does not result in exactly 100 % b ecause of inaccuracies in the measurement. A quasi area standardization is then carried out, but calibration factors are taken into consideration which were previously determined according to the procedure

Mi = Ak = Kk =

NOTE:

The measuring error is distributed amongst all compone nts.

External standard

∗

∗100

∗

)

(

∑

Concentration of components in percent Areas of all peaks Calibration factors of all peaks

A component list with these default settings can be easily edited and matched to the desired application.

5AUSWERT.CHP, Stand Dezember 22, 1999

Abbreviations used in all equations:

Peak area of component

Ki =

Calibration factor of component

F =

Scaling factor, e.g. dilution factor

Page 84

Integratio n

Mixed mode

This integration method is a combination of the methods

ardization

External standard

. It takes into accou nt unknown compon ents and permits response factors. This is in contrast to earlier: the component list was previously deleted, and response factor 1 used. This integration method can be used to represent the percentage distribution of the unknown components in a sample.

Prerequisite s for the calc ulation

Only peak areas are calculated, and not peak heights. The peak area s of kno wn com ponents are calc ulated according to the external standard method with the associated response factors. The components must therefore be previously calibrated to percentage values with an external standard. Response factor 1 applie s to unknown compo nents.

Calculation

The percentage concentrations are initially calculated for those peaks which are entered in the component list. The total of these percentage values is subtracted from 100. This results in the percentage of all unknown peaks. The percentage concentration of an unknown peak is the ratio of its area to the area of all unknown peaks times the percentage of all unknown peaks.

and

Area stand-

Internal standard (only laboratory version)

If an internal standard is used, an exactly known quantity of a substance is added to the sample. The chromatograph refers the concentrations of the other components to this substance. The results are thus independent of the injection accuracy.

Important: all components, including the internal standard, must first be calibrated once using the m ethod

ternal standard

so that the chromatograph can deter-

mine the calibration factors.

∗

Mi =

Concentration of component

As =

Peak area of internal standa rd

Calibration factor of internal standard

Ms =

Quantity of internal standard

Mp =

Sample quantity without internal standard

∗

∗F

∗

The dimension of the result depends on how you en ter the two quantities. Example: internal standard in microgram and sample in gram results in

NOTE:

If you enter zero for not divide by zero! The concentration of the component is then in the dimension which you have used for the internal standard. This method is only permissible if the sample quantity can be exactly reproduced.

Sample quantity

, the chromatograph does

ppm

Ex-

Special case

If, for any reason, the total of the known components is 100 %, only the results of the known components are displayed. This corresponds to the method

External standard

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Page 85

Integration

External standard (only laboratory version)

When calculating with an external standard, it is possible to additionally specify:

A factor, e.g. a dilution factor The sample quantity.

Dilution factor

A factor can be entered for every sample in the display

Start/Sequence

centration of individual co mponents ac cording to

Sample quantity

This can be used if you are working with different weighed quantities. The individual components are then referred as a percentage to the sample.

. The chromat ograph calcula tes the con-

)∗

∗

= (A

Mi = Concentration of component in the dimension

you have entered in the calibration list

Mi = Mp =

Concentration of component in percentage of the sample Sample quantity in same dimension as the components

100

)∗F ∗

∗

= (A

The chromatograph always uses this equation if you enter a value for

Sample quantity

which is different

from zero.

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Page 86

Integratio n

THREE NEW TIME EVENTS PROGRAM PARAMETERS

The time events program contains three new parameters which control the evaluation:

Switching over the peak wi dth Drawing baseline from trough to trough Terminate integration prematurely.

Switching over the peak width

This is an important parameter for matching the peak recognition to the separating performance of a column. It controls the bunching of the individual measured values, and thus the number of measuring points for a peak. This parameter is a coarse setting. It should be set such that the narrow peaks are sufficiently resolved and the wide, flat peaks are still detected. Practice has shown that this coarse setting is sufficient for "norma l" chroma tograms .

The setting in the display

Peak recognition

lowest basic setting for narrow peaks. The peak width parameter in the time events program must always be larger than the basic setting. The time for changing parameters must be selected such that it occurs at the baseline.

is the

Terminate integration prematurely

Subsequent processing of the integration was previously triggere d by the end of the ru n or the command

REPORT. Subsequent operations are e.g . baseline

correction of last peaks, standardization.

It was previously impossible to access the results of the run using

BASIC

prior to a

REPORT

The only exception was the integration method

ternal standard

because the results of the integration were already available during the current run. However, the time always depended somewhat on the sequence of peaks in the chromatogram. The new time co ntrol command

guarantees that all integration operations still

tion

Terminate integra-

present at this time are executed immediately. All results of the run are then immediately available in the component list for further processing. It is not essential to use this time control command. The

REPORT

command and the end of the run still

act as previously.

command.

Ex-

Drawing baseline from trough to trough

This is a new version of the baseline correction. In this case, the baseline is always drawn from the start of th e peak to th e end of th e peak. This type of baseline correction can be useful for baselines which ch ange rapi dly (press ure surge ). It can only be used with completely separated peaks. It must not be used for times ov erlapping with the tangent separation. The trough-to-trough baseline must be switched and areas.

in the time events program for the desired

OFF

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Page 87

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Page 88

Reintegrat ion

Reintegration new!

With software version V7.0 and later, the chromatograph automatically stores the raw data of channels A and B in its main memory. The main memory in the chromatograph is large enough for 20 minutes with a data acquisition rate of 40 ms. The raw data must be compressed if the run takes longer than 20 minutes.

The raw data can be selected following each run in order to reintegrate them. This is only possible if a new run has not been sta rted, since the raw data of the previous run are deleted when a new run is started.

It is alternatively possible to switch on continuous transmission of the raw data so that the raw data from all runs are stored in the control unit.

Switching the automatic raw data transmission on or off

Select the function Reintegration in the selection display. The display File selection appears. Then press

ESC

, and move the cursor in the display Reintegration to Transmit raw data to PC continuously. You can now use the space key to switch between

and

OFF

Run longer than 20 minutes? Define compression factor

Select the function Reintegration in the selection display. The display File selection appears. Then press

ESC

, and move the cursor in the display Reintegration to Start at or Compression. You have two possibilities:

Increasing the compression

If you increa se the compre ssion by one stage, a fu rther 20 minutes of raw data fit into the main memory of the chromatograph.

This compression works independent of the parameters Peak width in the display Peak recognition. However, it is not meaningful to evaluate raw data with a peak width of 1 or 2 sec if they have been recorded with compression 3. A peak width of 1 s ec corresponds to compression 1, a peak width of 4 sec corresponds to compression 4 etc.

Shifting the start of raw data storage

If the run only takes a little longer than 20/40/60 etc. minutes, it is possible to shift the start for saving the raw data. This can be applied if it is not necessary to evaluate the first minutes of the run.

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Page 89

Reintegration

Selecting the run

Select the function Reintegration in the selection display, or press the key in the display Reintegration. The display File selection ap- pears.

From the hard disk

Raw data fil es ar e s t or ed in t h e d ire ct o ry of the s el ec ted chromatograph on the hard disk of the control unit if you have switched on the raw data transmission. Select using the cursor and confirm us ing .

Changing the channel

Select Select other channel if you wish to select raw data files of the other channel.

Load current run from the chromatograph

If you have terminated a run in operating mode Maintenance single run and the raw data transmission was

not switched on, you can now subsequently load the raw data of this run from the chromatograph. You must do this for both channels if you are working with two detectors.

F6: Select run

RETURN

NOTE:

The raw data loaded in this manner are stored by the control unit in the file RC0101A.MAN (for channel A of chromatograph 1/1). If you load the raw data of the current run from the chromatograph several times in succession, this file is repeatedly overwritten. This also a pplies if you do this for several runs in succession.

You must store the raw data file if you wis h to keep it. This is described under

Data management (GCARCHIV)

Viewing the chromatogram or result

Select one of the keys ,

F10: Chromatogr.

in the display Reintegration. The matching result or chromatogram appears without pressing any further keys. The display Reintegration appears again when you leave the displays Result or Chromatogram.

F9: Result

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Page 90

Reintegration

Optimizing the integration parameters

You can optimize the integration without having to leave the display Reintegration. All softkey functions return directly to this display so that the correct integration parameters can be found very rapidly.

Changing the peak recognition parameters

All parameters of the display Peak recognition can be modified directly for the selected channel in the display

Reintegration. Details can be fo und in Register 5, Inte- gration: Peak recognition and in this supplement u nder Peak recognition.

Changing the time program

Press the key in the display Reintegration, and select the channel. Modify the appropriate parameters in the time events program. The display Reintegration appears again when you leave the display Time events program.

Information on the integration parameters in the time events program can b e fo un d in Register 5, Peak recog-

nition and in this supplement under Improved integr ation: Three new time events program parameters.

F8: Time events

Modifying the components list

Press the key in the display

F7: Components

Reintegration. Modify the matching parameters in the component list. The display Reintegration appears again wh en you leav e the Component lis t.

Reintegration at desk without chromatograph

If you possess the software packages

GCARCHIV

, you can reintegrate at your desk withou t a

PGCSIM

chromatograph being connected to the PC. This functions as follows:

For exampl e, several ana lyses are run automaticall y at night. The control unit must be connected, and the raw data transmission function switched on. The result s and raw data are stored on a diskette on the next morning. Load the runs from the diskette onto the desk PC. Optimize the integration (reintegrate) without a chromatograph being connected. Its function is handled by the separate software package

Also read the information in this supplement in the Sections

PGCSIM

and Data management (

GCARCHIV

and

PGCSIM

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Page 91

Reintegration

Further useful information

It is not essential to read this page, but perhaps you wish to know more ...

Selection of the raw data file

Selection of the raw data files for reintegration is carried out e.g. from the directory \pgcarch\gc0101\ . There are many files there for each channel such as

RC0101A.004 or RC0101B.012 and a file RC0101A.MAN. The latter is generated when the cur-

rent chromatogram is save d from the chro matograph.

Further files are produced!

Once you have selected a raw data file, the operating software converts the selected file into \pgcarch\RS0101A.I00 and \pg carch\RA0101A.I00 (the latter only with an internal standard).

The operating software then starts the reintegration. The reintegration always uses the two above-mentioned files and generates a new report file \pgcarch\gc0101\RP0101A.I00 and a new chromatogram file \pgcarch\gc0101\RD0101A.I00 from these. These two files are only present once per chromatograph. They are required for viewing and printing.

Save the result of reintegration?

Saving the two generated files RD0101A.I00 and RP0101A.I00 is really unnecessary since the r aw data

file already exists. This can be used to repeatedly generate a report and a ch romatogra m.

If you nevertheless wish to save, you must individually save the two generated files RD0101A.I00 and RP0101A.I00 following each reintegration.

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Page 92

Print chrom atogram and resu lts

Print chromatogram and results following each run

From software version V6.0 onwards , the chromatogram and the results can be printed together: automatically following each run or manually. It is possible to define the measuring ranges, chart drive and baseline offset for the chromatogram using a special time events program.

The result is printed with a fixed format. This has nothing to do with the should not use this program of course if you have switched on automatic printing.

Installation

Printing is carried out using the TSR program CPRINT. The installation program enters the line

program REPORTA.BAS. You

BASIC

program in the time events

BASIC

CPRINT

into the file BEDI.BAT if you define that you wish to automatically print the chromatogram and results.

Hardware requirements

386 computer or better with 25 MHz and 1 MB main memory Printer with

-compatible character set. Use a

IBM

high-speed printer for several chromatograms or a fast chart drive.

Switching the automatic printing on or off

Select the function Raw data/Print in the selection display. Move the cursor to Print result or Print chromato- gram for the desired channel. Press

F9: Enable transmiss. F10: Disable trasmiss.

NOTE:

Chromatograms can only be printed together with the result. If you switch on switched on! Vice versa, off if you switch off

Print chromatogram, Print results

or .

Print chromatogram

Print results

is also switched

is also

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Page 93

Print chrom atogram and resu lts

Optimization of time events program for chromatogram printout

In a maximum of six time events program lines it is possible to modify the measuring range, baseline offset and chart driv e.

These parame ters only have an effect on the chroma togram printout. They have nothin g to do with the parameters for displaying the chromatogram on the recorder.

NOTE:

The time events program is a part of the me thod.

Select the function Raw data/Print in the selection display. Move the cursor to Print results or Print chroma- togram for the desired channel. Press

F6: Printout parameters

Switchover time

The parameters in the line Start value become active when printing is started. Switchover time is the respective time at which the new parameters are to apply. Time 0 means that the co mplete line is ineffective.

Measuring range

The measuring range from 0 to 22 is the same as with the recorder display.

Chart drive

The chart drive can be set in seven steps. Step 1 prints approx. 30 m inutes of ch romatogra m on one page, st ep 7 prints approx. 30 seconds.

The paramete r Peak width in the display Peak recogni- tion influences the print result. Steps appear in the chromatogram if the peak width is selected too large. The following applies:

Chart speed Max. bunching Minutes per page

1 2 3 4 5 6 7

60 30 20 10

5 2 1

30 15 10

5 2 1

0,5

IMPORTANT: When printing automatically following each run, the printout must be completed during the run. No t all chromatogram s are otherwise printed out!

5CHRODRU.CHP, Stand Dezember 22, 1999

Baseline of fset

The baseline offset from -99 to +99 % has the same effect as with the recorder display. The percentage value always refers to the full-scale value in the selected measuring range.

Page 94

Print chrom atogram and resu lts

Test printout

You can request a test printout once you have optimized the time events program. Press

F10: Test printout

. The display Time events

program appears again following printing.

Manual printing of chromatogram

Select the function Result list in the selection display, then select the desired run using the cursor keys, and confirm using . The display Results appears.

Press . The time events pro-

F9: Print chromatogr.

gram for th e chromatogram print out appears. Refer to Time events program for chromatogram printout for what you can set here. Then press to start printing.

RETURN

F2: RETURN

Abort

If you do not wish to print, press

F6: ABORT

Faults when printing

Printing is carried out using the TSR program CPRINT. The following prob lems may occu r:

Printer is not connected or not ready Insufficient memory in control unit.

Information text then appears on the screen. Read it and continue.

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Page 95

Print chrom atogram and resu lts

Manual printing of results

Select the function Result list in the selection display, select the desired run using the cu rsor keys, and confirm using . The screen Results appears.

Press . You can find further information on this subject in Register 5, Printing the result list.

RETURN

F8: Print result

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Page 96

Miscellaneous

Date/time

The clock has a battery backup in chromatographs fitted with a Chromatographs with a backup battery. Following a power failure, the clock is set to 1.1.1980, 0:00 ho urs. From softw are vers ion V7 .0 onw ards (o perati on and control software!) the clock in the chromatograph can be synchronized with the clock in the control unit. This must be selected during installation. The time of the control unit is then sent to all con nected chromatograph s approx. on ce a minute.

Baseline monitoring

The baseline of the FID can be monitored. An alarm is output if the FID flame is extinguished in process operation. The chromatograph becomes Not ready, and never Ready again; process operation is blocked! The only remedy is to reset the chromatograph. Cause: the baseline monitoring function only operates whilst a run was being carried out. From control software version V6.0 onwards, the baseline alarm is reset when the FID is ignited.

PCPU-1

Miscellaneous

no longer have a

PCPU-2

Detailed information on the baseline monitoring function can be found in Register 5 under Baseline monitor- ing.

Temperatures and cooling

Only those controllers are now listed in the display Temperatures which are fitted. Cooling with cryostat, N2 or CO2 can be adjusted in the display Temperatures.

Analytical method

The header displays the name of the method which is loaded in the chromatograph.

Analog inputs and outputs

The display Software version additionally indicates how many analog inputs and outputs are present in the chromatograph.

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Page 97

Miscellaneous

Screen

The parameter Dynamic peak threshold can no longer be modified in the display Peak recognition. It can only be specifically used in the time events program. More details can be found in Register 5 under Dynamic peak threshold ON/OFF.

Screen

The display Raw data/Pressure has been extended by the function Automatic printout of report and chromatogram after each run. Its appearance is therefore somewhat different to previously. The other functions have not been changed.

Peak recognition

Raw data/Print

modified

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Page 98

Miscellaneous

Correction of errors in Register 5, V5.0

This should read:

... Enter the zero limits as an attenuation (-21 to 21) which must not be fallen below or exceeded.

The subsequent no te must then read as fo llows:

... If you do not require this monitoring function, enter -21 for the lower zero limit and 21 for the upper zero limit.

simultaneously on screen

Paragraph

All BASIC commands Section Co mmand IF...THEN...EL SE Paragraph Firs t

This should read:

20 I F C<20 T HEN DO( 1)=1 ELSE DO(1)=0 3 0 C = C + 1

process and labor atory versions Chapter Operation from where Section Complete page Paragraph

We do not use the interface designations A to E any more! Further more, switchin g over of interfac e B from TTY to V.24 via interface C no longer exists.

Please read Re gister 3, Connection of control unit and possibly the following pages for the current arrangement.

This paragraph should start with:

Whilst the chromatograph is displaying the list of stored chromatograms, press the key [

F9: Two chromatograms]. Select the first

chromatogram using ...

This should read:

You can abort marking of the section at any time by pressing the key [

ESCAPE] (right

mouse button).

Parameterization of autosampler Section Position of solvent vial in b elt Paragraph Last sentence

This should read:

The solvent vial (purging solution) must always be inserted into position S (at the second position A with the AS 32).

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Page 99

Miscellaneous

Register 5 Concerns RGC 202, process version Chapter Updating of retention wind ow Section Viewing corrected retention times Paragraph

The key F7 must read:

[

F7: correc. Ret.Time] instead of F7: currrent Ret.Time]

[

The corrected retention times can also be reset by pressing [

F8: Reset ret.time

]. The retention windows which you have entered in the component list are then effectiv e again.

All BASIC commands

Section Command

FOR...TO...STEP...NEXT

Paragraph Sixth (second example)

All BASIC commands Section Command ALA/ALB Paragraph Flag table

The flag table ha s been extend ed:

Flag Function Flag Function

1 Controller 1 ready 33 Temp.prog. 4 running 2 Controller 1 alarm 34 Temp.prog. 5 running 3 Controller 2 ready 35 Temp.prog. 6 running 4 Controller 2 alarm 36 Temp.prog. 7 running 5 Controller 3 ready 37 Temp.prog. 8 running 6 Controller 3 alarm 38 Temp.prog. 9...11 running 7 Controller 4 ready 39 Controller 9...11 ready 8 Controller 4 alarm 40 Controller 9.. .11 alarm

9 Controller 5 ready 41 BASIC alarm 1 10 Controller 5 alarm 42 BASIC alarm 2 11 Controller 6 ready 43 BASIC alarm 3 12 Controller 6 alarm 44 BASIC alarm 4 13 Controller 7 ready 45 BASIC alarm 5 14 Controller 7 alarm 46 BASIC alarm 6 15 Controller 8 ready 47 BASIC alarm 7 16 Controller 8 alarm 48 BASIC alarm 8

Flag table

This should read:

10 FOR I =5 TO 2 STEP -1

17 Simultaneous run 49 Detector alarm 18 Maintenance operation 50 Upper zero limit 19 Periphery faulty 51 Lower zero limit 20 Analog data output 52 Result ready 21 Gas supply 53 Analysis not running 22 Interface 54 External alarm 23 Internal temperature 55 Calibration running 24 5-V current 56 Calibration within cycle

25 24-V current 57 Calibration, last cycle 26 Memory overflow 58 Calibration, absolute 27 Leak detector 59 Updating of retention time 28 Purging pressure 60 Time events not running 29 Process operation 30 Temp.prog. 1 running 31 Temp.prog. 2 running 32 Temp.prog. 3 running

HPLC 30 Pump A alarm 31 Pump B alarm 32 Pump C alarm 33 Eluent A empty 34 Eluent B empty 35 Eluent C empty 36 Pulsation A alarm 37 Pulsation B alarm 38 Pulsation C alarm

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5DIVERSE.CHP, Stand Dezember 22, 1999