Atest Gaz PW-033-A, User Manual

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No. Name Pin Description
1 Power Supply Device supply port. Parameters – see section 5.5
GND Negative. Both terminals GND are internally connected
+ Positive. Both terminals “+” are internally connected
2 DI Binary inputs, see section 2.3
1 – 4 External alarm input DI1 – DI4
COM Common terminal of external alarm
3 Line polarity Configuration jumpers for the SBUS port. See section 2.6
4 SBUS System communication port. Used for data exchange between devices in Sigma Gas
system
A Signal line A
B Signal line B
GND Negative supply pole (connected with GND of Power Supply port)
5 ExBUS Communication port, see section 2.5
A Signal line A
B Signal line B
GND Negative supply pole (connected with GND of Power Supply port)
6 Line polarity Configuration jumpers for the ExBUS port. See section 2.6
7 R1 – R8 Relay outputs, see section 2.2
COM Common terminal of relay
NO Normally open contact of relay
NC Normally close contact of relay
Table 2: Description of the electric interface
More details about interface connections – see Section 4.
2.2 Relays output R1 – R8
The control unit module has 8 universal relay outputs. These outputs can adopt one of the two statuses:
active or inactive (the active state means that the voltage has been given to the relay coil). Terminals of
relays can switch over to the following positions:
Figure 5: Relays in active and inactive state
Technical specification of outputs – see section 5.5.
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User Manual: POD-002-ENG R03
COM
NC
NO
COM
NC
NO
Active Inactive