SICK GM700 Ex, Operating Instructions Manual, Page: 4 / 102

5.3 Material required...................................................................................... 27
5.4 Preparing the sampling point................................................................... 27
5.5 GM700 Ex scope of delivery.................................................................... 28
5.6 Installation sequence............................................................................... 28
5.6.1 Installation example................................................................ 28
5.6.2 Overview of installation steps (duct-side preparation).......... 29
5.6.3 Installing the flange with tube................................................. 29
5.6.4 Install the evaluation unit........................................................ 31
5.6.4.1
Install the FS840.................................................... 31
5.6.5 Installing the purge air unit..................................................... 33
6 Electrical installation........................................................................ 34
6.1 Electrical installation safety information................................................. 34
6.2 Connection overview................................................................................ 36
6.2.1 Lines......................................................................................... 37
6.3 Connecting interfaces ............................................................................. 38
6.3.1 Connect I/O interfaces............................................................ 38
6.3.1.1 GM700 Ex 3G terminal connection diagram........ 38
6.3.1.2 Electrical connection of the evaluation unit EvU.. 40
6.4 Connecting the connecting hose to the SR-unit on the EvU.................. 41
6.5 Connecting pressure, temperature and purge air monitor ................... 41
6.6 Preparing the power supply...................................................................... 41
6.7 Connecting the FS840 Ex overpressure control..................................... 42
6.8 Electrical connection of SR-unit............................................................... 44
6.9 Connecting the potential equalization..................................................... 44
6.9.1 Connecting the potential equalization on the SR-unit........... 45
6.9.2 Connecting the potential equalization on the measuring
probe........................................................................................
45
6.9.3 Potential equalization - evaluation unit and Ex control unit.. 46
7 Commissioning.................................................................................. 47
7.1 Safety information on commissioning..................................................... 47
7.2 Prerequisites for successful commissioning.......................................... 47
7.3 Material required ..................................................................................... 48
7.4 Overview of commissioning steps........................................................... 48
7.5 Zero adjust................................................................................................ 49
7.6 Fitting the SR-unit on the measuring probe............................................ 49
7.7 Aligning the measuring probe in flow direction...................................... 51
7.8 Feeding protective gas............................................................................. 52
7.8.1 Connecting the protective gas on the SR-unit....................... 52
7.8.2 Switch the pressurized enclosure on...................................... 54
7.9 Optical fine alignment of the sender/receiver unit ............................... 54
7.10 Installing the weatherproof cover ........................................................... 55
7.11 Starting measuring operation.................................................................. 56
7.11.1 Operating states...................................................................... 57
7.11.2 Select the ambient temperature range.................................. 57
CONTENTS
4 O P E R A T I N G I N S T R U C T I O N S | GM700 Ex 8019532/100Q/V1-1/2018-08 | SICK
Subject to change without notice