NORD BU0070 User Manual

Operating manual

InterBus

SK TU1-IBS SK 700E

SK TU2-IBS SK 300/750E

SK TU3-IBS SK 5xxE

BU 0070 GB

GmbH & Co. KG

NORDAC InterBus Operating Manual

Safety and operating instructions

for the drive power inverter

1. General information

During operation, drive power converters may have, depending on
their protection class, live, bare, moving or rotating parts or hot
surfaces.

Unauthorised removal of covers, improper use, incorrect
installation or operation leads to the risk of serious personal injury
or material damage.

Further information can be found in this documentation.
All transportation, installation and initialisation and maintenance

work must be carried out by qualified personnel (compliant with
IEC 364, CENELEC HD 384, DIN VDE 0100, IEC 664 or DIN VDE
0110, and national accident prevention regulations).

For the purposes of these basic safety instructions, qualified
personnel are persons who are familiar with the erection,
installation, commissioning and operation of this product and who
have the relevant qualifications for their work.

2. Intended use

Drive power converters are components intended for installation in
electrical systems or machines.

When being installed in machines, the drive power converter
cannot be commissioned (i.e. implementation of the proper use)
until it has been ensured that the machine meets the provisions of
the EC directive 89/392/EEC (machine directive); EN 60204 must
also be complied with.

Commissioning (i.e. implementation of the proper use) is only
permitted when the EMC directive (89/336/EEC) is complied with.

The drive power converters meet the requirements of the low
voltage directive 73/23/EEC. The harmonised standards in prEN
50178/DIN VDE 0160, together with EN 60439-1/VDE 0660 Part
500 and EN 60146/VDE 0558 were applied for the drive power
converter.

Technical data and information for connection conditions can be
found on the rating plate and in the documentation, and must be
complied with.

3. Transport, storage

Information regarding transport, storage and correct handling must
be complied with.

Climatic conditions in line with prEN 50178 must be complied with.

Note: This supplementary operating manual is only valid in conjunction with the operating manual

BU 0700/0750 DE / BU 0500 DE / BU 0300 DE supplied for the NORDAC SK 700, SK 750E, SK
5xxE and SK 300E frequency inverters.

(as per: Low voltage directive 73/23/EEC )

4. Installation

The installation and cooling of the equipment must be
implemented as per the regulations in the corresponding
documentation.

The drive power converters must be protected against
impermissible loads. In particular, no components must be bent
and/or the insulation distances changed during transport and
handling. Touching of electronic components and contacts must be
avoided.

Drive power converters have electrostatically sensitive
components that can be easily damaged by incorrect handling.
Electrical components must not be mechanically damaged or
destroyed (this may cause a health hazard!).

5. Electrical connection

When working on drive power converters which are connected to
high voltages, the applicable national accident prevention
regulations must be complied with (e.g. VBG 4).

The electrical installation must be implemented as per the
applicable regulations (e.g. cable cross-section, fuses, earth lead
connections). Further instructions can be found in the
documentation.

Information about EMC-compliant installation – such as shielding,
earthing, location of filters and installation of cables – can be found
in the drive power converter documentation. These instructions
must also always be observed for drive converters with CE
approval. Compliance with the limit values specified in the EMC
regulations is the responsibility of the manufacturer of the system
or machine.

6. Operation

Systems where drive power converters are installed must be
equipped, where necessary, with additional monitoring and
protective equipment as per the applicable safety requirements,
e.g. legislation concerning technical equipment, accident
prevention regulations, etc. Modifications to the drive power
converter using the operating software are permitted.

After the drive power converter is disconnected from the power
supply, live equipment components and power connections should
not be touched immediately because of possibly charged
capacitors. Comply with the applicable information signs located
on the drive power converter.

All covers must be kept closed during operation.

7. Maintenance and repairs

The manufacturer documentation must be complied with.

These safety instructions must be kept in a safe place!

2 Subject to technical alterations BU 0070 GB

Table of contents

1 INTRODUCTION............................................................................................................................................................... 4

1.1 Instruction notes .................................................................................................................................................. 4

1.2 General information ............................................................................................................................................. 4

1.3 Further Information .............................................................................................................................................. 4

1.4 The bus system ................................................................................................................................................... 4

1.5 InterBus in NORDAC frequency inverters ........................................................................................................... 5

2 OPTION MODULES FOR SK 300E, SK 5XXE, SK 700E AND SK 750E ..................................................................... 6

2.1 Bus modules for the SK 700E and SK 5xxE ....................................................................................................... 6

2.1.1 InterBus module for the SK 700E and SK 5xxE ......................................................................................................... 7

2.1.2 Installation of technology units in the SK 700E .......................................................................................................... 8

2.1.3 Installing the FE (PE) connection ............................................................................................................................... 8

2.2 InterBus module for the SK 300E and SK 750E ................................................................................................. 9

2.2.1 M12 connector assignment ...................................................................................................................................... 10

2.2.2 Installation of technology units in the SK 300E and SK 750E .................................................................................. 11

2.2.3 Installing the FE (PE) connection ............................................................................................................................. 11

3 BUS CONFIGURATION ................................................................................................................................................. 12

3.1 Laying the bus cables ....................................................................................................................................... 12

3.2 Cable material ................................................................................................................................................... 12

3.3 Cable layout and shielding (EMC measures).................................................................................................... 12

4 THE INTERBUS PROTOCOL ....................................................................................................................................... 13

4.1 Drive profile ....................................................................................................................................................... 13

4.2 Data length ........................................................................................................................................................ 13

4.2.1 PPO type 1 ............................................................................................................................................................... 13

4.2.2 PPO type 2 ............................................................................................................................................................... 13

4.3 Transmission times ........................................................................................................................................... 14

5 FREQUENCY INVERTERS – SETTINGS AND DISPLAYS ........................................................................................ 15

5.1 Frequency inverter bus parameters .................................................................................................................. 15

5.2 Module status .................................................................................................................................................... 20

5.3 LED display ....................................................................................................................................................... 21

6 DATA TRANSMISSION ................................................................................................................................................. 23

6.1 Process data (PZD) ........................................................................................................................................... 23

6.1.1 The control word (STW) ........................................................................................................................................... 23

6.1.2 The status word (ZSW) ............................................................................................................................................ 24

6.1.3 The setpoint 1 (SW1) ............................................................................................................................................... 25

6.1.4 Second and third setpoint (SW2/3) .......................................................................................................................... 26

6.1.5 The actual value 1 (IW1) .......................................................................................................................................... 26

6.1.6 Actual value 2 and actual value 3 (IW2/3) ................................................................................................................ 27

6.2 The status machine ........................................................................................................................................... 27

6.3 Parameter orders with Compact PCP ............................................................................................................... 29

6.3.1 Frequency inverter parameters (2000

6.3.2 Drive profile as per DRIVECOM21 ........................................................................................................................... 29

hex

-23E7

) ................................................................................................. 29

hex

6.4 Drive profile DRIVECOM 21 ............................................................................................................................. 30

6.4.1 Speed functions overview ........................................................................................................................................ 30

6.4.2 Object description .................................................................................................................................................... 31

7 EXAMPLE TELEGRAMS ............................................................................................................................................... 32

7.1 Switch-on block → Standby .............................................................................................................................. 32

7.2 Enable with 50% setpoint .................................................................................................................................. 33

7.3 Writing a parameter ........................................................................................................................................... 34

8 ADDITIONAL INFORMATION ....................................................................................................................................... 35

8.1 Repairs .............................................................................................................................................................. 35

9 TECHNICAL DATA ........................................................................................................................................................ 36

10 KEYWORD INDEX ....................................................................................................................................................... 37

11 SALES AGENCIES AND BRANCH OFFICES ........................................................................................................... 38

BU 0070 GB 3

NORDAC InterBus Operating Manual

1 Introduction

1.1 Instruction notes

The symbol "Attention" refers to actions that could lead to damage to hardware or software or damage to
persons.

Conditions are listed here that you must comply with for correct operation. The symbol "Hand" refers to
tips and advice for efficient use of the device and for reducing additional work.

The symbol "Text" refers to further information sources (manuals, data sheets, etc.). This symbol also
helps you with better orientation in these instructions.

1.2 General information

This InterBus documentation is valid for the device series NORDAC trio SK 300E, SK 5xxE and SK
700/750E.

The respective SK 300E, SK 5xxE and SK 700/750E basic devices are delivered with a dummy cover for the
technology box slot. The basic models do not have any components for parameterisation and control. To be able to
establish communication via the InterBus, an InterBus technology module must be used.
The InterBus interface conforms to the standards DIN 19258 and DIN 19245 Part 2.

1.3 Further Information

These instructions only describe the NORDAC IBS technology module. Further information can be found in the
manuals of Phönix Contact or, with reference to the drive profile, in the DRIVECOM user group.
All the frequency inverter parameters are described in the manuals BU 0300, BU 0500, BU 0700 and BU 0750.

¾ BU 0300, BU 0500, BU 0700, BU 0750 manual
¾ DRIVECOM-Profile No. 21 / 22
¾ IBS PCP compact user manual (Phoenix Contact 10/2002)

Some manuals, instructions, etc. can be located on the Internet:

www.nord.de

www.interbusclub.com

www.phoenixcontact.com

www.drivecom.org

1.4 The bus system

The INTERBUS {xe "INTERBUS field bus system"} open field bus system provides standardised connection of all
process peripherals with all common controllers.
The InterBus is a very efficient bus system which works according to the special master-slave access method, also
referred to as the summation frame protocol. This total frame enables a constant bus cycle.
From a topological viewpoint, InterBus is a ring system, where send and return circuits are sent via every
subscriber. This ensures full duplex operation.
The NORDAC SK 700E and SK 300E can be connected to other sensors/actuators via a serial bus cable. InterBus
differentiates generally between remote bus subscribers (this module) and local bus subscribers that derive as sub­ring systems from the remote bus.

In general, two different data transmission channels are used, the process data channel and the parameter data
channel, and both are supported by this access module.
In each data transmission cycle, a data volume of 3 to 5 words of 16 bit each are transmitted.

4 Subject to technical alterations BU 0070 GB

1.5 InterBus in NORDAC frequency inverters

Attributes:

• Galvanically isolated outgoing bus interface

• Master-S lave access process; constant bus cycle through total frame protocol

• Bus length: 400m (between two remote bus subscribers), total length 13km

• Transfer rate of 500kBit/s (optionally 2Mbit/s)

• Settable DRIVECOM 21 profile

• Processing of parameter data via PCP

• External 24V supply for continuous bus operation without interruptions

• 9-pin Sub-D connector for remote bus connection

• Max. 256 subscribers (max. 85 NORDAC 700E)

• Status display with 5 InterBus status LEDs, plus a two-colour operation LED

• Comprehensive system diagnostics and fast fault localisation

• Automatic subscriber addressing

1 Introduction

BU 0070 GB Subject to technical alterations 5

NORDAC InterBus Operating Manual

2 Option modules for SK 300E, SK 5xxE, SK 700E and SK 750E

2.1 Bus modules for the SK 700E and SK 5xxE

Technology units, customer units and special extension units

Through the combination of modules for the display, technology units and modules with digital and analog inputs,
as well as interfaces, customer units or special extension units, the NORDAC SK 700E can be easily adapted
to the requirements of various applications.

WARNING

Modules should not be inserted or removed unless the device is free of voltage. The slots
may only
mixed up.

be used for the applicable modules. The slots are coded to prevent them being

Technology Units (TU) are modules that can be inserted from above
for display, parameterisation and control of the inverter.

Customer Units (CU) are modules inserted inside the inverter in the
upper recess. They are used for control and communication using
digital/analog signals or bus interfaces.

Extension Units (XU) are inserted into the slot at the base of the
inverter. Such an extension unit is required if the speed is to be
controlled or positioned by an incremental (absolute) encoder.

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2 Modules

2.1.1 InterBus module for the SK 700E and SK 5xxE

(SK TU1-IBS, Mat. No. 278200065

(SK TU3-IBS, Mat. No. 275900065

The InterBus communication module SK TU1-IBS is used for connecting drives from the device series SK 700E
and SK TU3-IBS from the device series SK 5xxE to higher-level automation systems via InterBus.

Data width:
Variable (3 words; 5 words)

Baud rate:

500kBit/s (optionally 2Mbit/s)

Æ

SK 700E)

Æ

SK 5xxE)

IBS-IN IBS-OUT

Shielding terminal:
Connection to PE of the frequency
inverter to suppress interference in
the Bus lines

Termination resistor:
Not required;
already integrated in device

Addressing:

24V GND

Shielding terminal
External 24V supply

PPO type mode

Implemented automatically via physical
arrangement of subscribers in the bus

Power supply
24V +/-10%
External 24V supply for
bus operation without interruptions.

PPO type mode
The PPO type to be used can be set or the drive profile, as per DRIVECOM 21, can be switched on/off with the

rotary coding switch "PPO type mode". The mode setting is always read in during the initialisation of the whole
bus. If the switch is set to PGM (programming mode), the parameter values from P507 "PPO type" and P551 "Drive
profile" are read in.

Position 1 Æ 3 words (PPO type 1)
Position 2 Æ 3 words with profile (PPO type 1 with profile)
Position 3 Æ 5 words (PPO type 2)
Position 4 Æ Reserve
Position PGM Æ programming mode (settings as per inverter parameterisation)

The settings made using the rotary coding switch are not transferr ed to the frequency inverter
parameters!

Note:

If the mode switch is permanently set (Position 1 – 3), the software/parameter settings are ineffective!

BU 0070 GB Subject to technical alterations 7

NORDAC InterBus Operating Manual

(

)

SUB-D connector assignment

Incoming remote bus:

Forwarding remote bus:

DO

GND

DI

1

6

5

9

1

DO

6

GND

DI

+5V_OUT

100mA

5

9

/DO

/DI

/DO

/DI

InterBus status LEDs (see Chap. 5.3):
UL (green): Supply voltage applied
RC (green): R

emoteCheck: Remote bus to previous InterBus device OK
BA (green): Bus Active: InterBus data is being exchanged (Bus running)
RD (yellow): Remotebus Disabled: Remote bus to next InterBus device disabled
TR (green): Transmit: Data is being transferred from/to subscribers

Module status 2-colour LED (see Chap. 5.3):
ST (red): Module error

ST (green): Module status

2.1.2 Installation of technology units in the SK 700E

The technology units must be installed as follows:

1. Switch off the mains voltage, observe the waiting period.

2. Remove the dummy cover by actuating the unlocking device on the top and bottom edge.

3. Allow the technology unit to engage audibly by pressing lightly on the installation surface.

NOTE:

Installation of a technology box
separate to the frequency inverter is
not

possible. It must be connected

directly to the inverter.

NORDAC

NORDAC

700E

700E

2.1.3 Installing the FE (PE) connection

A flat plug is provided on the outgoing IBS interface for connection to the FE (function earth) or PE. The
accompanying green-yellow cable must be mounted here and fastened to the housing of the frequency inverter.

8 Subject to technical alterations BU 0070 GB

2 Modules

2.2 InterBus module for the SK 300E and SK 750E

(SK TU2-IBS, P. No. 075130080 Æ SK 300E / SK 750E)
The InterBus communication module SK TU2-IBS, is for connecting drives from the trio SK 300E and 750E device

series to higher level automation systems via InterBus.

Data width:
Variable (3 words; 5 words)

Baud rate:
500kBit/s (optionally 2Mbit/s)

Termination resistor:
Not required; already integrated in device

Addressing:
Implemented automatically via physical
arrangement of subscribers in the bus

Supply:
24V +/-10%
External 24V supply for continuous bus operation without interruptions

Bus- In (male)

InterBus- input

Bus- Out (female)

InterBus- output

24V Ext. (male)
External supply

voltage 24V

The status of the InterBus technology unit is shown
by 5(6) LEDs:

• UL (green): Supply voltage applied

• RC (green): RemoteCheck

• BA(green): Bus Active

• RD(yellow): Remotebus Disabled

• TR(green): Transmit

2-colour LED

• ST (green): Module status

• ST (red): Module error

Æ

See Chap. 5.3 "LED display"

BU 0070 GB Subject to technical alterations 9

NORDAC InterBus Operating Manual

2.2.1 M12 connector assignment

Connector assignment for M12 connector and sockets for Bus In and Bus Out :

IBS signal M12 assignment

DO 1
DO

DI 3
DI

GND 5

2

1

4

3

4

5

Pin (for components)

Connector assignment for M8 connector for ext. 24V:

2

4

1

2

4 3

5

Socket (for components)

IBS signal M8 assignment

+24V 1

GND 3

PE 4

Connector (for components)

10 Subject to technical alterations BU 0070 GB

2 Modules

2.2.2 Installation of technology units in the SK 300E and SK 750E

The 6 cover plate screws must be removed to install the technology box. Note the earthing cable, which can be
plugged into the plate. Ensure this cable is connected when installing the technology box to guarantee complete
earthing. Maximum protection class IP66 is only guaranteed if the seal is used and the 6 screws are secured
correctly to create a tight seal.

Installation of a technology box separate to the frequency inverter is not
directly on the inverter.

WARNING / NOTE

Installation must be carried out by qualified personnel only, paying particular attention to safety

The technology units must be installed as follows:

1. Switch off the mains voltage, observe the waiting period.

2. Remove the dummy cover by unscrewing the 6 hexagon socket screws.

3. Make sure that the plug-in connections are firmly in place and that the lid is sealed.

4. Insert the technology box and screw in place.

Earthing line
Make sure the earthing line is plugged into the plate of the standard device and each technology unit. This line
must be connected when installing the technology unit to ensure it is fully earthed.

and warning instructions.
Only install technology units when the device is voltage-free.
Installation of a technology box separate to the frequency inverter is not

connected directly to the frequency inverter.

Fastening screws for

the technology unit

possible. It must be installed or connected

possible. It must be

Earthing of the cover plate

2.2.3 Installing the FE (PE) connection

A flat plug is provided on the bottom of the technology box for connection to the FE (function earth) or PE. A
connection cable with appropriate components is already included in the frequency inverter and is connected to the
dummy cover in the standard design. This must be used to create the PE connection to the technology unit.

BU 0070 GB Subject to technical alterations 11

NORDAC InterBus Operating Manual

3 Bus configuration

An InterBus network consists of a maximum of 256 subscribers and is based on a ring topology. The number of
subscribers is dependent on the number of IO's. With a useful data length of 3 words, it is possible to connect 85
devices with the NORDAC 700E.

3.1 Laying the bus cables

In an industrial environment the correct installation of the Bus system is particularly important in order to reduce
potential interference. The following points are designed to help prevent interference and problems right from the
start. The installation guidelines are not complete as applicable safety and accident prevention guidelines must
also be complied with.

3.2 Cable material

The guaranteed transfer speeds or transfer distances can only be achieved without errors if the specific cable
parameters are complied with.

Max. line

capacitance

60nF/km

See also http://www.interbusclub.com/de/doku/pdf/kabel-d.pdf
Certified InterBus data cables are recommended.
Designation (example):

Resistance Cable cross-section Baud rate

250mΩ/m

INTERBUS Certified! No. xxx

3*2*0.2 mm

2

500k

3.3 Cable layout and shielding (EMC measures)

If EMC measures are not in place, high-frequency interference which is principally brought about by switch
procedures or lightning often causes electronic components in the bus subscribers to be faulty and error-free
operation can no longer be ensured.

Appropriate shielding of the bus cable reduces electrical interference which can arise in an industrial environment.
You can achieve the best shielding qualities with the following measures

• Connect the bus subscribers with the shortest amount of cable po ssible.

• The shielding on the bus line must be applied completely on both sides.

• Avoid using tap lines to connect field devices to the bus.

• Avoid extending the bus lines using plug connectors.

Bus lines should be laid with a minimum spacing of 20 cm to other lines which carry a voltage higher than 60V.
This applies to lines laid inside and outside of control cabinets.

If earthing potential values are different, transient current may flow through shielding which is connected on
both sides. This may be a danger to electronic components. Differences in potential must be reduced using
sufficient potential equalisation.

12 Subject to technical alterations BU 0070 GB