
Index
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . .3 Service Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Terms and Symbols in this manual . . . . . . . . . . . . .3
3 General Information . . . . . . . . . . . . . . . . . . . . . . .5 PSIM Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 PSIM General Layout . . . . . . . . . . . . . . . . . . . . . . .6 PSIM used in a small network configuration . . . . . .7
4 PSIM Schematic and 
PSIM Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . .8
5 Dimensions and Mechanical Installation . . . . . .10
5.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . .10
5.2 PSIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6  | Specification  | . . . . .12  | 
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  | Environmental  | . . . . .15  | 
  | Approvals  | . . . . .15  | 
7  | Applications  | . . . . .16  | 
  | Orbit Network Power Supply Requirements .  | . . . . .16  | 
  | Orbit Network Protection  | . . . . .16  | 
  | Voltage Drop Estimation  | . . . . .17  | 
  | Application 1: Basic small network connection . . .18  | |
  | Application 2: Large network with modules close  | |
  | to computer and at a distance  | . . . .19  | 
  | Application 3: Large network using   | |
  | RS232IM for network control  | . . . . .21  | 
  | Application 4: Modules located a long distance  | |
  | from computer  | . . . . .23  | 
  | Application 5: Use with RS232 Interface Module  | |
  | (RS232IM)  | . . . . .24  | 
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