Appendix A; A.1 Ex Px Safety Equipment; A.1.1 Overview - Siemens SIPROCESS GA700 Kompaktbetriebsanleitung

Appendix A

A.1 Ex px safety equipment
A.1.1 Overview
Example of Ex p safety equipment
A
B
C
①
②
③
④
⑤
Figure A-1
Devices in explosion-proof design
Compact Operating Instructions, 11/2019, A5E35134047-04
Ex interface relay SR852
Pressure regulating valve for purging gas with gauge
Proportional valve
Purging gas connection 2.5 ... 5 bar (rel.)
Connection to Ex p enclosure (SIPROCESS GA700); cable cross-section 8 mm,
max. length 10 m
Connection from Ex p enclosure (SIPROCESS GA700); cable cross-section 8 mm, max.
length 10 m
Connection of power cable; fusing 16 A
Exhaust air outlet. If appropriate connection of a 1" line, max. length 20 m
Ex p safety equipment, Gönnheimer Elektronik GmbH
D Ex p controller F870S
E Ex power relay SR853
F Ground connection
A
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