
7.2.2 Write commands
The contact module recognizes the following write commands, which you
can use to transfer values to the constant temperature equipment:
Table 4: Control
ID Function
Unit
66 Control in control variable X: 0 = internal / 1 = external Pt / 2 = external analog / 3 = external
serial / 5 = external Ethernet / 6 = external EtherCAT / 7 = external Pt 2
[–]
Table 5: Status
ID Function
Unit
74 Switch equipment on / off (standby)
[–]
Table 6: Programmer
ID Function
Unit
78 Start programmer
[–]
79 Pause programmer
[–]
80 Continue programmer (after pause)
[–]
Table 7: Safety
ID Function
Unit
151 Specify external fault
[–]
Table 8: Temperature
ID Function
Unit
152 Specify two temperature set values alternately
[–]
V2
Interface module LRZ 927 / 928
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