Chapter 2
.
Installation
GFK-2746B
PACSystems* RSTi PROFIBUS and PROFINET Network Adapter
–August 2013
17
2.3
Internal Bus/Field Power Contacts
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
Warning
Do not touch data and field power pins, in order to avoid damage by
ESD noise.
2.3.1
RSTi Bus Data Pin & Field Power Pin Description
Table 1: RSTi Bus Pin Name and Description
No.
Name
Description
1
Vcc
System supply voltage (5V dc)
2
GND
System Ground
3
Token Output
Token output port of Processor module
4
Serial Output
Transmitter output port of Processor module
5
Serial Input
Receiver input port of Processor module
6
Reserved
Reserved for bypass Token
7
Field GND
Field Ground
8
Field Vcc
Field supply voltage (24Vdc)
Summary of Contents for PACSystems RSTi
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