7.2.1 Read commands
The contact module recognizes the following read commands, which you can
use to query the operating data of the constant temperature equipment:
Table 1: Fill level
ID Function
Unit
10 Signal refilling
[–]
Table 2: Status
ID Function
Unit
75 Status of standby: 0 = Device is switched on / 1 = Device is switched off
[–]
130 Device status
[–]
137 Error status
[–]
140 Low-level alarm
[–]
141 Overtemperature alarm
[–]
153 Report compliance with the defined temperature range (inside / outside)
[–]
Table 3: Programmer
ID Function
Unit
82 Programmer status
[–]
V2
Interface module LRZ 927 / 928
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