BECKHOFF PT100 - Manual (Page 9)

PT100 4-fold tempera
ture m
easurem
ent
B
eckhoff II/O System
Date :
12 Mar
ch 97
Version :
1.1
Pa
ge
9
of 10
Diagnose-LED
G 9 à 2 à G @ 9 à  @ ‚ 
Channel 1
Channel 3 Channel 2 Channel 4 Channel 1
Channel 4 Channel 3 Channel 2
S-Prom
Channel 4 Channel 3 Channel 2 Channel 1
/ ' 
/ ' 
LED alignment
G 9 !
Plug-in connector
GND for PT100 sensor
Input, PT100 sensor pick-off
Input, PT100 sensor pick-off
Constant-current source for PT100 sensor
Optical-fibre transmitter
Optical-fibre receiver
PT100 4-fold temperature measurement
+24V
control logic/analog portion
Ground
Unassigned
Plug-in connector