CAL Controls CALCOMMS 9300, CALCOMMS 3300 User Manual

CALCOMMS

Manual

CAL Controls

Temperature Controllers

CAL 3300 and 9300

Autotune Temperature

Controllers

INDEX

KEY TO PROGRAM ICONS

OVERVIEW (inside front cover) INSTALLATION/CABLING

RS232 1 RS485 2 Termination resistors 3 Bias resistors 4 RS232/RS485 features 5

INSTRUMENT COMMS SETTINGS 6 CONFIGURING INSTRUMENT COMMS SETTINGS 7-8 INSTALLING CALCOMMS

SOFTWARE 9-10

GETTING STARTED 11 CALCOMMS

INSTRUMENT SCREENS 12

PC COM PORT SETTINGS 13-14 INSTRUMENT PARAMETER CONFIGURATION SOFTWARE ALARMS 15 SETPOINT ADJUSTMENT 16 INSTRUMENT CLONING 17 SAVING SETTINGS TO FILE 18 SECURITY LOCKOUTS 19-20 LOGGING AND CHARTING 21-24 LOG ON CHANGE 25-26 EXPORTING LOG FILES 27 TROUBLE SHOOTING 28 GLOSSARY OF TERMS 29-30 CAL CONTACT INFORMATION 32

Index

Key to Program Icons

Change comms settings & start monitoring

Toggle Modbus comms de-bug window

Add new instrument 3300

Add new instrument 9300

Arrange instruments in grid

Make instruments larger

Make instruments smaller

Set security locks

Add new chart recorder

Close program

Create new file

Print chart recorder

Scroll chart up 100%

Scroll chart up 10%

Find chart zero

Scroll chart down 10%

Scroll chart down 100%

Expand verticle scaling range

Decrease verticle scaling range

Increase time/division

Decrease time/division

Open existing file

Export file in text format

Select units to record

Toggle grid density

Select background colour

Select primary grid colour

Select grid colour

Make chart bigger

Make chart smaller

OVERVIEWKey to Program Icons

Overview

CALCOMMSTMis a graphic WINDOWSTMbased software

package designed for PC supervision of CAL Model 3300 and Model 9300 controllers. It offers the capability of remote adjustment, instrument configuration, cloning, saving and retrieving instrument settings to files together with logging and charting in real time.

Communication uses the MODBUS

protocol via either a fully isolated RS232 or RS485 link depending on the number of instruments and the transmission distances involved in the application.

PC Requirements

To gain the full benefit of CALCOMMS software, it is recommend that the PC is fitted with a Pentium processor and is running WINDOWS 95 or Windows NT programs. A minimum of 16 Mb RAM is recommended to run the program, together with enough free hard disc space to meet logging requirements.

This manual assumes that a mouse or other pointing device will be employed, but alternatively or in an emergency the standard WINDOWS key convention can be used to operate or close the program.

Because the controllers are “stand alone” they do not need PC supervision for their normal function, and will continue to control the process unaffected by failure of any part of the communications loop.

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

3300/9300

rear terminal

PC Com 1

DB-9 Pin

Tx Rx Gnd

COM port

CAL 9300

Installation/Cabling

RS-232 Is the standard most widely used for interfacing

peripherals to PC's and is designed for serial communications with single instrument up to a distances of 15 metres, in a low electrical noise environment. Connection is via a screened two core cable where the voltage signal on each line is referenced to the screen which is grounded. Most PC's have one or two RS-232 compatible ports fitted as standard.

RS232 Connections

Port

Installation/Cabling

Tx Rx (+)

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

additional

units

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

3300/9300

unit 2

Tx Rx (-)

3300/9300

unit 1

Gnd

Tx Rx (+) Tx Rx (-) Gnd

Daisy chained connections

Connections if PC 485 card used

To RS 485 Interface

Either plug in board or

separate converter

Note: Where separate RS 485 interface is used, refer to manufacturers instructions for connection details

RS 485

interface

CAL 3300

COM port

RS485 Connections

RS-485 Is a half duplex serial communications link and is the

standard most commonly used for industrial applications due to it's high noise immunity and multi-drop capability. It enables a PC to communicate with up to 32 instruments over distances up to 1200 metres, and requires the addition of an RS-485 interface card, or a separate RS-232/485 converter.

Installation/Cabling

Termination resistors

–

120Ω

–

120Ω

Instrument 1 Instrument 2 Instrument ‘N’

Each RS485 interface has specific connection and termination biasing requirements which will be detailed in their installation instructions. The general principles are as follows.

Terminations Because each wire is a transmission line, it must be properly terminated to prevent reflections. Where multiple instruments are daisy-chained together, a 120 ohm terminating resistor should be fitted at the connection to the PC and to the last instrument in the chain.

Installation/Cabling

Bias resistors

–

Instrument 1 Instrument 2 Instrument ‘N’

+5V

620Ω

-5V

620Ω

Bias resistors When transmission lines are not transmitting, they remain in an indeterminate state which can allow receivers to receive invalid data bits due to electrical noise on the cable. To prevent this, the the lines should be forced

into a known state by fitting two 620 ohm bias resistors to one point (node).

If an RS-485 interface card is being fitted to the PC, separate bias resistors may not be needed because they may already be fitted to the card. Check the manufacturers specification.

Installation/Cabling

For a continually updated list of recommended RS-485 interface cards, contact CAL.

Feature

Type of transmission lines Unbalanced

132

321

15M

19.2Kb/sec 19.2Kb/sec +/- 25V + 12 to - 7V

1200M

Differential Maximum number of drivers Maximum number of receivers Maximum cable length Maximum data rate Maximum CMV

RS232 RS485

Table lists the features of both RS-232 and RS-485 standards. Cable To ensure data integrity over long transmission distances, it is recommended that good quality RS-485 cable is used.

Recommended: RS485: Belden 9841, RS232: Belden 9501 available from most leading distributors, and stocked by CAL.

Instrument Comms Settings

Immediately after power-up, both instrument, and PC comms settings need to be made compatible before communication between them is possible. Instrument defaults are shown below together with the available options.

ADDR (Address) This is a unique

identification number that must be allocated to each instrument connected to the network.

Default =0. Options;

1 to 247

BAUD (Baud rate) The setting determines

the serial communication data transmission rate in bits/sec, and must match the PC settings

Default =

9600

Options;

1200;2400;4800;9600 and 19200

DATA (Data) Sets the transmission format, and

must match the PC settings.

Data Format Table

Settings Start bits

1 1 1

Data bits 8 8 8

Parity n (none) e (even) o (odd)

Stop bits 1 1 1

Default Option 1 Option 2

DBUG (Debug). Commissioning and

troubleshooting aid. Display shows when the instrument is transmitting or receiving data by rapidly flashing the three horizontal segments of the first and last digit of the display.

First digit = Tx; last digit = Rx Default = Off. Options

off; on

Only use dbuG during commissioning or trouble-shooting because it shares display segments and therefore corrupts the normal display.

Instrument Comms Address

Configuring Instrument Comms Settings

This should also be done immediately after power-up, and is only possible from the instrument front panel.

On power-up the controller will display the self test sequence followed by Alternating INPT and

nonE

INPT

CAL 3300

INPT

CAL 3300

INPT

CAL 3300

NONE

CAL 3300

NONE

CAL 3300

NONE

CAL 3300

INPT

CAL 3300

NONE

CAL 3300

Note: During the following procedure the display will revert to alternating INPT and

nonE

after 60 seconds of keying inactivity, but will retain any settings already completed. Should this occur, or in the event of becoming "lost" in the program, please start again from the alternating

INPT and

nonE

display

To select Level C (communications settings) Press ▼ once display alternates LEVL and

Press and hold ✱ and press ▼ five times to reach level C

display alternates LEVL and

Note: Level C is only visible when the comms interface board is fitted to the unit

To set up Instrument comms address Press ▲ once display alternates ADDR and

Press and hold ✱ and press ▲ to index to chosen address

number

(1 to 247)

Note: In the absence of any conflicting information the

following comms settings should be left as the default values. (see details on page 6).

To read or adjust comms settings Baud rate Press ▲ once display alternates BAUD and

9600

(Default setting) Press and hold ✱ and use ▲ or ▼ keys to select preferred

value

Data format Press ▲ once display alternates DATA and

18n1

(Default setting)

Press and hold ✱ and use ▲ or ▼ keys to select preferred

setting (see table page 6)

Debug setting Press ▲ once display alternates DBUG and

oFF

(Default setting)

Press and hold ✱ and use ▲ key to select

+ 25 hidden pages

CAL Controls CALCOMMS 9300, CALCOMMS 3300 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual