Emerson PACSystems RSTi-EP User Manual page 12
Remote i/o system
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Also See for PACSystems RSTi-EP:
- User manual (539 pages) ,
- Quick start manual (33 pages) ,
- User manual (232 pages)
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User Manual
GFK-2958J
Contents
Specifications EP-8301 .......................................................................... 320
Installation ........................................................ 321
6.1
Preparations for Assembly ............................................................................... 321
Environmental Conditions ..................................................................... 321
DIN Rail ................................................................................................. 321
Stripping Lengths .................................................................................. 322
Unpacking and Delivery ......................................................................... 322
Use in a Potentially Explosive Atmosphere ............................................. 322
Installation Orientation ......................................................................... 323
Clearances ............................................................................................ 324
Calculation of Space Requirements ....................................................... 325
Installation Sequence ............................................................................ 326
Arrangement of SIL Modules ................................................................. 326
Preparation and the Required Tool ...................................................... 326
6.2
Assembling the RSTi-EP Station ....................................................................... 327
6.3
Attaching the Marker ....................................................................................... 331
Attaching the Swivel Marker .................................................................. 331
6.4
Wiring ............................................................................................................. 331
Wiring of Modules with Standard Connectors ........................................ 332
Wiring of Modules with HD Connectors EP-8360 ................................... 332
6.5
Insulation Test ................................................................................................. 333
Earthing and Shielding ....................................... 335
7.1
Earthing of Shielded Cables ............................................................................. 336
Shielded Cables Increase Interference Resistance .................................. 336
Proper Use of Shielded Cables ............................................................... 337
Effective Shielding ................................................................................. 338
7.2
Potential Ratios ............................................................................................... 340
Basic Aspects......................................................................................... 340
Potential-Free Design ............................................................................ 340
Non-Isolated Design .............................................................................. 340
7.3
Electromagnetic Compatibility (EMC) .............................................................. 341
Ensuring EMC ........................................................................................ 341
Earthing of Inactive Metal Parts ............................................................. 341
PE Connection ....................................................................................... 342
Unearthed Operation ............................................................................ 342
Contents
Oct 2019
xi
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