BECKHOFF PT100 - Manual (Page 5)

PT100 4-fold temperature measurement Beckhoff II/O System
Date : 12 March 97 Version : 1.1 Page 5 of 10
2. Software functional description
Timing diagram:
Explanation of the timing diagram:
Signal assignment to II/O message data bytes:
Reset: D2.7
Select1 (priority 1): D2.0
Select2 (priority 2): D2.1
Select4 (priority 3): D2.2
Valid: D2.3
Data: D0.0 to D0.7
D1.0 to D1.7
The restart signal is used to reset the processor to the PT100 module. The signal remains at
"1" for continuous operation.