G-Bus Pin Description - Hitachi HX-RIO3 Series User Manual
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Also See for HX-RIO3 Series:
- Manual (68 pages) ,
- User manual (63 pages) ,
- User manual (34 pages)
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5.3. G-Bus Pin Description
Communication between the RIO3 series and the expansion 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 pin and 2 field power
pins.
No.
Name
1
Vcc
2
GND
3
Token Output
4
Serial Output
5
Serial Input
6
Reserved
7
Field GND
8
Field Vcc
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).
Do not touch data and field power pins to avoid soiling and damage by ESD noise.
HX-RIO3 Series
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