Stahl 9471/35 Series, Operating Instructions Manual

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Digital Input Output Module NAMUR
for Ex n Zone 2
Series 9471/35
Contents
1 General Information ............................................................................................3
1.1 Manufacturer .......................................................................................................3
1.2 Information regarding the Operating Instructions ................................................3
1.3 Further Documents .............................................................................................3
1.4 Conformity with Standards and Regulations .......................................................3
2 Explanation of the Symbols ................................................................................3
2.1 Symbols in these Operating Instructions ............................................................3
2.2 Warning Notes ....................................................................................................4
2.3 Symbols on the Device .......................................................................................4
3 Safety Notes .......................................................................................................5
3.1 Operating Instructions Storage ...........................................................................5
3.2 Personnel Qualification .......................................................................................5
3.3 Safe Use .............................................................................................................5
3.4 Modifications and Alterations ..............................................................................6
4 Function and Device Design ...............................................................................7
4.1 Function ..............................................................................................................7
4.2 Device Design .....................................................................................................8
5 Technical Data ....................................................................................................9
6 Engineering .......................................................................................................14
6.1 Terminal Assignment of the pluggable Terminals X1 and X2 ...........................15
6.2 Connection Diagram for Field Devices .............................................................15
6.3 Connection Diagram, active 24 V Signals .........................................................16
6.4 "Frequency" or "Counter" Operating Mode .......................................................16
6.5 Line Fault Suppression .....................................................................................17
7 Transport and Storage ......................................................................................17
8 Mounting and Installation ..................................................................................18
8.1 Dimensions / Fastening Dimensions .................................................................18
8.2 Mounting / Dismounting, Operating Position .....................................................19
8.3 Installation .........................................................................................................21
9 Commissioning .................................................................................................22
10 Operation ..........................................................................................................22
10.1 Indications .........................................................................................................22
10.2 Troubleshooting ................................................................................................22
11 Maintenance, Overhaul, Repair ........................................................................24
11.1 Maintenance .....................................................................................................24
11.2 Overhaul ...........................................................................................................24
11.3 Repair ...............................................................................................................24
11.4 Returning the Device ........................................................................................25
12 Cleaning ............................................................................................................25
13 Disposal ............................................................................................................25
14 Accessories and Spare Parts ...........................................................................25