Atest Gaz PW-033-A, User Manual

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4 System architectures
It is recommended to apply galvanic separation to all connections with external system via
RS-485 ports.
s. 26|31
User Manual: POD-002-ENG R03
Figure 17: Example of system architecture
8×PK 4×DI
1 – 32 gas detectors
SmArtGas 4
Sigma
MOD LED
8×PK 4×DI
Sigma
MOD LED
Sigma
MOD DRV
8×4..20 mA
Sigma
MOD AO
8×PK 4×DI
Sigma
MOD LCD
SBUS
EBUS Sigma
MOD LCD
PLC,
SCADA
RS- 485, MODBUS ASCII / RTU
Ethernet, MODBUS TCP, Profibus
NOTE! The system layout and arrangement of
equipment shown on this diagram is merely an
example. The number and types of modules may
vary according to actual needs.
MOD SEP 2
Module of
a signal converter