Siemens SIPROCESS GA700 Compact Operating Instructions page 236
Continuous gas analysis
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Also See for SIPROCESS GA700:
- Operating manual (306 pages) ,
- Operating instructions manual (224 pages) ,
- Compact operating instructions (208 pages)
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Appendix A
A.1 Ex px safety equipment
Electrical connections of the Ex p control system with peripherals (example)
Figure A-3
Electrical connections of an Ex p safety equipment, Gönnheimer Elektronik GmbH
Ex power relay SR853
Connections
Ex interface relay SR852, (isolating relay), 8-pin
Connections
114
16
18
15
8, 9, 10, 11
2, 25, 3, 24
1, 26; 12, 15; 13, 14
1 - 8 to 11 - 18
9, 19, 10, 20
29, 30
Power supply cable N
Power supply cable L
Protective conductor PE
Doubly-protected power contacts for the power
disconnection of the analyzer device (required to
absorb high inrush current peaks)
Control connections for Ex power relay
Protective conductor PE
Doubly-protected contacts for the all-pole discon-
nection of the
active non-intrinsically-safe signal cables from and
to the analyzer device
Control connections for isolating relay
Protective conductor PE
Compact Operating Instructions, 11/2019, A5E35134047-04
Devices in explosion-proof design
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