SICK GM32 EX, Operating Instructions Manual

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5.1.1 Safety of measuring probes suitable for Ex zones................ 28
5.2 Tools required............................................................................................ 28
5.3 Material required...................................................................................... 28
5.4 Preparing the sampling point................................................................... 29
5.5 Scope of delivery...................................................................................... 29
5.6 Installation sequence............................................................................... 30
5.6.1 Installation example................................................................ 30
5.6.2 Overview of the installation steps (duct-side preparation)... 31
5.6.3 Installing the flange with tube................................................ 31
5.6.4 Installing the connection unit................................................. 32
5.6.4.1 Installing the Ex interface relay (for version 2G)... 32
5.6.4.2 Protective gas outlet............................................... 33
5.6.5 Installing the Ex purge air unit................................................ 34
6 Electrical installation........................................................................ 35
6.1 Electrical installation safety information................................................. 35
6.2 Connection overview................................................................................ 37
6.2.1 Connection diagram for version 2G........................................ 37
6.2.2 Connection diagram for version 3G........................................ 38
6.3 Connecting interfaces ............................................................................. 38
6.3.1 Connecting I/O interfaces (option)......................................... 38
6.3.1.1 Connection diagram for variant 2G....................... 40
6.3.1.2 Connection diagram for variant 3G....................... 41
6.3.1.3 Default values for interfaces.................................. 42
6.4 Electrical connection of SR-unit............................................................... 44
6.5 Connecting the potential equalization.................................................... 44
6.6 Connecting the potential equalization to the SR-unit............................. 45
6.7 Connecting the connection hose to the SR-unit on the junction box.... 45
6.8 Connecting pressure, temperature and purge air monitor.................... 46
6.9 Preparing the power supply..................................................................... 47
6.10 Connecting the Ex peripherals (control unit).......................................... 48
7 Commissioning.................................................................................. 49
7.1 Safety information for start-up................................................................. 49
7.2 Material required ..................................................................................... 51
7.3 Overview of start-up steps....................................................................... 52
7.4 Installing the device flange on the purge air fixture............................... 53
7.5 Aligning the measuring probe in flow direction...................................... 54
7.6 Connecting protective gas to the SR-unit................................................ 54
7.6.1 Feeding protective gas............................................................ 55
7.7 Start-up of the purge air supply............................................................... 55
7.8 Installing the measuring probe in the gas duct...................................... 58
7.9 Installing the SR-unit on the device flange............................................. 59
7.10 Optical fine alignment of the SR-unit ..................................................... 60
7.11 Installing weatherproof covers (option)................................................... 61
CONTENTS
4 O P E R A T I N G I N S T R U C T I O N S | GM32-Ex 8015558/YYJ8/V1.7/2016-07 | SICK
Subject to change without notice