Operating Instructions
GM35
Probe Model
Table of Contents
8009389/07-2006
©
SICK MAIHAK GmbH • Germany · All rights reserved
3
1 Safety instructions .............................................................................................................. 7
1.1 Safety instructions in this document ................................................................................ 7
1.2 Permissible users.................................................................................................................... 7
1.3 Correct handling ...................................................................................................................... 8
1.4 Safety precautions.................................................................................................................. 8
1.5 Purge air failure........................................................................................................................ 8
2 Product overview ................................................................................................................. 9
2.1 Use and proper application.................................................................................................. 9
2.1.1 Conformities and certifications .............................................................................................................9
2.1.2 Overview of the GM35 Components...............................................................................................10
2.1.3 GM35 Options and accessories .......................................................................................................15
2.2 Operating principle ...............................................................................................................17
2.2.1 Opto-electronic in-situ measuring principle ...................................................................................17
2.2.2 Signal evaluation......................................................................................................................................18
2.2.3 Automatic check cycles ........................................................................................................................18
3 Planning guidelines.......................................................................................................... 19
3.1 Sequence of steps: system selection to commissioning.........................................19
3.2 Project planning checklist..................................................................................................20
3.3 Preparations for installation ..............................................................................................23
3.3.1 Preparations for installation at the measuring point..................................................................23
3.3.2 Exposing the duct....................................................................................................................................24
3.3.3 Flange with tube ......................................................................................................................................24
3.3.4 Mounting preparations for the purge-air unit................................................................................26
3.3.5 Insulating the duct...................................................................................................................................26
3.3.6 Preparations for installing the evaluation unit ..............................................................................26
3.4 Preparations for electrical installation ...........................................................................26
3.4.1 Signal and power supply cables........................................................................................................27
4 Installation .......................................................................................................................... 29
4.1 Preparations............................................................................................................................29
4.1.1 Check the components delivered.....................................................................................................29
4.1.2 Prerequisites for installation................................................................................................................29
4.2 Mounting the system components..................................................................................29
4.2.1 SR unit and measuring probe.............................................................................................................29
4.2.2 Installing the purge air unit...................................................................................................................30
4.2.3 Terminal boxes (optional) ....................................................................................................................30
4.3 Installing the evaluation unit .............................................................................................31
4.3.1 Installing the evaluation unit (sheet metal housing version)...................................................31
4.3.2 Installing the evaluation unit (cast metal housing version) .....................................................32
4.4 Electrical connections for the system components ..................................................33
4.4.1 Electrical connections for the purge air unit..................................................................................33
4.4.2 CAN bus wiring options .........................................................................................................................35
4.4.3 Electrical connections for the evaluation unit...............................................................................36
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