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FnIO MODBUS Adapter NA-9189
FnIO S-Series
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• Expansion Module
The Expansion Modules are supported a variety of input and output field devices.
There are digital and analog input/output modules and special function modules.
• Two types of FnBus Message
- Service Messaging
- I/O Messaging
FnBus Pin 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).
