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RSTi bus Pin Description
PROFIBUS Communication Interface
PROFIBUS Communication Interface
GFK-2746
1 Introduction
1-29
Chapter
No.
Name
1.
Vcc
2.
GND
3.
Token Output
4.
Serial Output
5.
Serial Input
6.
Reserved
7.
Field GND
8.
Field Vcc
Figure 21: PROFIBUS Adapter Communication interface
The following table describes the Signal Name and Description.
No.
Name
1.
FG
2.
-
3.
RXD/TXD-P
4.
CNTR-P
5.
DGND
6.
VP
Chapter Chapter
Chapter
Table 20: RSTi bus Pin and Description
Description
System supply voltage (5Vdc)
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)
Table 21: Signal name and Description
Description
Receive/Transmit data-plus (B wire)
Repeater control signal (direction control), RTS
signal
Data ground (reference potential for VP)
Supply voltage-Plus (P5V)
1
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