Serial communication settings, Fnio s-series – Beijer Electronics NA-9379 User Manual
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MODBUS Programmable I/O NA-9379
FnIO S-Series
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5.5. Serial Communication Settings
Setting according to the each communication state is possible Because NA-9379 is available the
RS232 and RS485 Serial Communications.
• Station Setting
The following illustration is an area of Register 0x160A address that can be used to set the code of Serial
communication. High 1byte is the area of rs232, and Low 1byte is the area of rs485.
It is possible to set a maximum of 247 for each area. (default : 1)
MSB LSB
0x160A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RS232C Modbus station RS485 Modbus station
• RS232/ RS485 Communication setting
The options for the communication can be selected.
RS232 can be selected from the register address, “0x1606”.
RS485 can be selected from the register address, “0x1608”.
- 1 nibble : Data bit(0 : 8bit(default), 1 : 9bit)
- 2 nibble : Stop bit(0 : 1bit(default), 1 : 2bit)
- 3 nibble : Parity bit(0 : none(default), 1: even, 2 : odd)
- 4 nibble : Reserve
MSB LSB
0x1607
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data bit Stop bit Parity bit Reserve
RS232
MSB LSB
0x1609
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data bit Stop bit Parity bit Reserve
RS485
• Baudrate setting
The baudrate from 1200bps to 115200bps is supported.
RS232 can be selected from the register address, “0x1606”.
RS485 can be selected from the register address, “0x1608”.
1 : 2400 2 : 4800 3 : 9600 4 : 19200
5 : 38400 (default) 6 : 57600 7 : 115200