Atest Gaz PW-036-A, User Manual

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No. Name Terminal Description
1 Supply Device supply port. Parameters – see section 7
GND Negative. Both terminals GND are internally connected
+ Positive. Both terminals ”+” are internally connected
2 SBUS System communication port. Used for data exchange between devices in Sigma Gas
system
A Signal line A
B Signal line B
GND Negative. Both terminals GND are internally connected
3 Output 1 - 8 Analog outputs for the 4...20 mA current loop
+ Positive (+) pole for module outputs
S Current outputs for detector signals
- Negative (-) pole for module outputs
Table 3: Electric interface description
5 System architectures
Figure 7: Example of Sigma Gas system architecture with Sigma MOD AO module
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User Manual: POD-004-ENG R01
Gas
Detector 1
Sigma
MOD DRV
PLC
R – relay output
DI – digital input
PC GATEWAY
Sigma
MOD LCD
Sigma
MOD LED
1
Sigma
MOD LED
n
Sigma
MOD AO
1
Sigma
MOD AO
n
4xDI 8xR
4xDI 8xR 4xDI 8xR
Gas
Detector 2
Gas
Detector n
8x4...20mA 8x4...20mA
SBUS
EBUS