GE PACSystems RSTi Manual page 49

System and Field Power cable wiring
Station Number Setting S/W
GFK-2746
1 Introduction
1-35
Chapter
Directions for PROFIBUS connection for field bus network interface power & ST I/O field
power wiring.
1. For safety, supply system power and field power should be separated.

System Power: for System & PROFIBUS communications

Field Power: for I/O field device connections
2. Make sure power supplies for system power and field power are supplied
separately.
3. Use PROFIBUS certified cables only.
4. Do not insert any other devices or components (such as transistor) into
PROFIBUS field bus besides PROFIBUS qualified products.
Chapter Chapter
Chapter
1