Proline Low-temperature Thermostats
YACE0072 / 21.08.07 Interfaces - Modules 111
8.5 Contact module
8.5.1 Contact module LRZ 915 with three inputs and three outputs
Contact module Cat. no. LRZ 915) on 15 pole SUB-D socket. With three relay contact outputs
(changeover, max. 30V/ 0.2A) and three binary inputs for control via external voltage-free contacts.
The following functions are made available by the inputs:
- Set fault with function: Master: E @K@ or Command: Fault .
- Set Stand by with function: E Rra or Stand by .
- Control programmer (Input 1 activates programmer 1, input 2 activates programmer 2 etc. At the
first “close” the programmer gets starting, “open” removes it in “pause”. The next “close” initiate
“continue”) with function: E Op5 or Programmer .
- Control alternating mode (the switching state contact “open“ or “closed” allot to two different
setpoint temperatures): E r1B or alternating mode .
- Controller mode (the switching state input “open” or “closed” can allotted to two different control
temperature sources. E. g. internal ↔ external control): E Bml or type of control .
The following functions are made available by the outputs:
- Signal various fault states: E ch@ or fault diagnosis .
- Signaling standby: E Rra or Standby .
- Providing status of the window discriminators (inside ↔ outside): E VWh or temperature
range .
- Providing the programmer status: E Op5 or Programmer .
- Signaling refill of heat carrier liquid: E E0K or Refill .
Contact inputs and outputs
− View of the socket from the plug side or of the plug on the solder side.
− A suitable 15-pole Sub-D plug can be obtained together with a
suitable housing:
Order no. EQM 030 and plug housing order no. EQG 017.
1
5V
Input
Output
1 2 3
Contact module LRZ 915; SUB-D
12 4 5 6 13 14 15 7 8
2
5V
3
5V
1 9 2 10 3 11
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