CONTENTS
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8013741/16LH/V1-7/2020-20| SICK OPERATING INSTRUCTIONS | MCS300PEx
Subject to change without notice
1 Important Information .............................................................................. 7
1.1 Symbols and document conventions .............................................................7
1.1.1 Warning symbols ............................................................................7
1.1.2 Warning levels and signal words....................................................7
1.1.3 Information symbols .......................................................................7
1.2 Main safety information..................................................................................8
1.3 Intended use ...................................................................................................8
1.3.1 Purpose of the device.....................................................................8
1.3.2 Installation location ........................................................................8
1.3.3 Operation in potentially explosive atmospheres ...........................9
1.3.4 Combustible sample gas ................................................................ 9
1.4 Responsibility of user....................................................................................10
1.5 Additional documentation/information........................................................11
2 Product Description.................................................................................12
2.1 Product identification....................................................................................12
2.2 Features of the MCS300P Ex........................................................................12
2.3 Explosion protection according to ATEX/IECEx............................................14
2.3.1 Function of the pressurized enclosure ........................................15
2.3.1.1 Purpose .....................................................................15
2.3.1.2 Functionality during operation..................................15
2.3.2 Safety functions............................................................................15
2.3.2.1 Subassemblies used.................................................15
2.3.3 Internal temperature monitor ......................................................16
2.3.4 Combustible sample gas ..............................................................16
2.4 Method of operation .....................................................................................17
2.5 Interfaces ......................................................................................................17
2.6 SOPAS ET (PC program) ................................................................................17
3 Installation ................................................................................................18
3.1 Important information for installation..........................................................18
3.2 Information on installation in potentially explosive atmospheres ..............19
3.3 Overview of assembly steps .........................................................................20
3.3.1 Material required ..........................................................................20
3.3.2 Overview of assembly steps .........................................................20
3.4 Assembly .......................................................................................................21
3.4.1 Fitting the G-type rails ..................................................................21
3.4.2 Fastening the MCS300P Ex on the G-type rails...........................21
3.4.3 Fitting the Ex power relay and Ex interface relays ......................22
3.4.4 Connecting the tubes of the measured and test medium..........22
3.4.5 → Connecting the protective gas..................................................22
3.4.6 Feeding protective gas .................................................................23
3.4.7 Discharging protective gas...........................................................23
Contents
Contents