Eurotherm 3200 User Manual download pdf (Page 2)

Application Example 1

Temperature Monitor

This example charts the process variable from a 3200 series

instrument and monitors the state of one alarm.

Open LabVIEW

To find the example select the Help menu and ‘Example

Finder’. There are two examples:-

The first is – ‘Eurotherm.32xx Series Process Value

Monitoring.vi’.

They may be found by entering key words, for example,

eurotherm, 3216, temperature.

To connect to the instrument

Both examples are for serial interface and use Modbus RTU

communications only. For physical wiring refer to the 3200

series User Guide HA028582 or Engineering Manual

HA028651.

Enter the VISA resource name. This is ASRL2::INSTR, where

‘ASRL’ defines the serial port, ‘2’ is the port number and

‘INSTR’ defines the 3200 controller.

Enter the unit modbus address – ‘2’ in this example.

Enter the ‘Baud Rate’, ‘Parity’, ‘Break Length’ – ‘9600’, ‘None’,

‘2.0’ms in this example.

Press Run

When an alarm occurs the beacon changes to red. When

acknowledged it changes back to purple.

To display the code

On the menu bar, select ‘Window’ and ‘Show Block

Diagram’.

Introduction

3200 series, 3500 series and 2400 series drivers are available for LabVIEW 2009 and LabVIEW 8.2 systems. This application

note concentrates on the use of LabVIEW with 3200 series instruments.

To download the drivers, go to http://www.eurotherm.co.uk/labview/ and choose either 3200 Series LabVIEW 2009 Driver

(913 KB) or 3200 Series LabVIEW 8.2.1 Driver (1.07 MB)

Extract these to the LabVIEW instrument library. This may be Program Files\National Instruments\Labview8.2\instr.llb.

3200 Series Driver for LabVIEW Applications

Eurotherm Part No. HA030908U001 Issue 1 January 11 2 3200 Series Application Note

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Eurotherm 3200 User Manual Page 2