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
[–]
7.2.3 Availability of the interface functions
The following table shows the read and write commands that the interface
module provides for all compatible product lines of constant temperature
equipment.
V1
Interface module LRZ 914 / 915
21 / 29