Connection Diagrams - Siemens SIPROCESS GA700 Compact Operating Instructions
Continuous gas analysis, devices in explosion-proof design
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Also See for SIPROCESS GA700:
- Operating manual (306 pages) ,
- Compact operating instructions (244 pages) ,
- Operating instructions manual (224 pages)
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Appendix A
A.1 Ex py safety equipment
You will find the information relevant for installation and operation of the Ex p safety
equipment with the wall-mounted device in the corresponding manufacturer documentation.
The connection diagram shown below refers to the example of the pressurized enclosure
system "F870S-HD" distributed by Gönnheimer Elektronik GmbH:
If you are using safety equipment from other manufacturers, contact your Siemens service
partner, if applicable.
A.1.2
Connection diagrams
Pneumatic connections of the Ex p control system (example)
A
Ex p controller F870S
B
Ex power relay SR853
C
Ex interface relay SR852, 16-pin
D
Proportional valve
E
Pressure regulating valve for purg-
ing gas with gauge
①
Power connection; fusing 16 A
②
Connection to Ex p controller F870S; conductor cross-section 8 mm, max. length 10 m
③
Purging gas inlet
④
Purging gas outlet
⑤
Connection from Ex p controller F870S; conductor cross-section 8 mm, max. length 10 m
⑥
Purging gas connection; supply pressure 2.5 ... 5 bar (rel.)
⑦
Connection from and to Ex interface relay SR852
⑧
Exhaust air outlet. If appropriate connection of a 1" line, max. length 20 m
Figure A-2
Gas path of the Ex p safety equipment, Gönnheimer Elektronik GmbH
102
F
Power connection
G
Analyzer module 1 (AM1)
H
Analyzer module 2 (AM2)
I
Flame arresters
J
Signal cable connection
Devices in explosion-proof design
Compact Operating Instructions, 05/2018, A5E35134047-03
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