Atest Gaz Alpa MOD LED1, Руководство пользователя

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Name Pin Description
POWER Power supply port
- Negative
+ Positive
DET. INPUT Gas detector port
+ Positive
S Signal input
- Negative
LOOP TEST OUT Test port
+ Positive
S Test input of the current loop
- Negative
R1 – R4 Relay outputs, see section 6.1
COM Common
NO Normally open
NC Normally close
W OC1- Output – ALARM
AL OC2- Output – ALARM
PWR +12V Signaller supply common signal
Table 2: Electric connections description
The detector is connected to the control unit using a three-wire cable to the appropriate ter S -.
Signaller to the terminal OC Output (+12V, OC1, OC2).
Control Unit Module Alpa MOD LED1 has 4 relays with potential-free contacts that can be used to
control automation systems, signalling or ventilation systems (eg a two-speed fan). When
performing these installations, remember that for safety reasons, the device is without a mains
switch.
6.1 Relay outputs R1 – 4
The control unit module has four (4) relay outputs. These outputs can adopt one of the two statuses: active
or inactive. Terminals of the R1 – R3 relays can switch over to the following positions:
Figure 2: Status of contacts for the R1 – R3 relays
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User Manual: POD-015-ENG R02
Active
NO
NC
COM
COM
NO
NC
Inactive
NO
NC
COM
COM
NO
NC