Beckhoff PT100 Instrukcja Użytkownika Pobierz pdf (Strona 3)

PT100 4-fold temperature measurement Beckhoff II/O System

Date : 12 March 97 Version : 1.1 Page 3 of 10

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.

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Beckhoff PT100 Instrukcja Użytkownika Strona 3