17
HX-RIO3 Series
4.5. RTB Terminal Block
- System Power: The power for starting up CPU.
- Field Power: The power for input and output line.
Do not use an incorrect voltage/frequency!
The use of an incorrect supply voltage or frequency
can cause severe damage to the component.
4.6. Pin Description
Communication between the Network adapter 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 pins and 2 field power pins.
Do not touch data and field power pins in order to
avoid soiling and damage by ESD noise.
To prevent ESD noise, it is recommended to use
the END module.
Pin No.
Signal Description
Signal Description
Pin No.
0
System Power, 24V
System Power, Ground 1
2
System Power, 24V
System Power, Ground 3
4
F.G
F.G
5
6
Field Power, Ground
Field Power, Ground
7
8
Field Power, 24V
Field Power, 24V
9
No.
Name
Description
1
System Vcc
System supply voltage (5V dc).
2
System 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).
