Internal Bus/Field Power Contacts; Rsti Bus Data Pin & Field Power Pin Description - GE PACSystems RSTi User Manual

Internal Bus/Field Power Contacts

2.3
Communication between the Network adapters and the IO module as well as system / field
power supply of the bus modules is carried out via the internal bus. It is comprised of 6 data
pins and 2 field power pins.
Figure 7: Internal bus with 6 data pins and 2 field power pins
2.3.1 RSTi Bus Data Pin & Field Power Pin Description
Table 1: RSTi Bus Pin Name and Description
No.
1
2
3
4
5
6
7
8
GFK-2746B PACSystems* RSTi PROFIBUS and PROFINET Network Adapter–August 2013
Do not touch data and field power pins, in order to avoid damage by
ESD noise.
Name
Vcc
GND
Token Output
Serial Output
Serial Input
Reserved
Field GND
Field Vcc
Warning
Description
System supply voltage (5V dc)
System Ground
Token output port of Processor module
Transmitter output port of Processor module
Receiver input port of Processor module
Reserved for bypass Token
Field Ground
Field supply voltage (24Vdc)
Chapter 2. Installation
17