BECKHOFF PT100 User Manual
PT100 4-fold temperature measurement Beckhoff II/O System
PT100 4-fold temperature measurement
Technical description
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Date : 12 March 97 Version : 1.1 Page 1 of 10
PT100 4-fold temperature measurement Beckhoff II/O System
Table of contents
1. Hardware functional description ..................................................3
2. Software functional description.....................................................5
3. Technical specifications..................................................................7
4. Installation instructions..................................................................8
5. Terminal diagram.........................................................................10
Page 2 of 10 Version : 1.1 Date : 12 March 97
PT100 4-fold temperature measurement Beckhoff II/O System
1. Hardware functional description
PT100
General information
The PT100 module is a temperature measurement module for use in an II/O system. Up to
four sensors (PT100) may be connected to each module.
A diagnostic LED is furnished for the II/O optical fibre guide ring:
LD1 The red ’ERROR’ LED is switched on after detection of an error message (check
sum, frame) and switched off after running three successive correct messages
(check sum, frame) have been run.
A match LED is furnished for initial matching:
LD2 The second (green) LED is used for control purposes when matching newly
connected sensors.
Date : 12 March 97 Version : 1.1 Page 3 of 10
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