16-62 16. Fuji Electric
16.2.19FRENIC-HVAC/AQUA (MODBUS RTU)
Communication Setting
Editor
Communication setting
(Underlined setting: default)
Inverter
Set communication parameters.
Be sure to match the settings to those made under [Communication Setting] of the editor.
(Underlined setting: default)
Item Setting Remarks
Connection Mode
1 : 1 / 1 : n
/ Multi-link2 /
Multi-link2 (Ethernet) /
1 : n Multi-link2 (Ethernet)
Signal Level RS-422/485
Baud Rate 4800 / 9600 / 19200 / 38400 bps
Data Length 8
bits
Stop Bit 1 / 2
bits
On the inverter:
2 bits when “0” is specified for y06 or y16
1 bit when “1”, “2” or “3” is specified for y06 or y16
Parity None
/ Odd / Even
Target Port No. 0 to 247 0: Broadcast
Function Code Item Setting Example
y01
RS-485 setting 1
(Touch panel)
Station address 1
to 247 1
y04 Baud rate
1: 4800 bps
2: 9600 bps
3: 19200 bps
4: 38400 bps
3
y06 Parity bit
0: None
1: Even
2: Odd
3: None
0
y07 Stop bit
For Modbus RTU communication, the stop bit setting is
automatically made according to the parity bit setting.
When “0” is specified for y06, “2 bits” is set for stop bit.
When “1”, “2”, or “3” is specified for y06, “1 bit” is set for
stop bit.
-
y10
Communication
protocol
*1
0: Modbus RTU 0
y11
RS-485 setting 2
(terminal block)
Station address 1
to 247 1
y14 Baud rate
1: 4800 bps
2: 9600 bps
3: 19200 bps
4: 38400 bps
3
y16 Parity bit
0: None
1: Even
2: Odd
3: None
0
y17 Stop bit
For Modbus RTU communication, the stop bit setting is
automatically made according to the parity bit setting.
When “0” is specified for y16, “2 bits” is set for stop bit.
When “1”, “2”, or “3” is specified for y16, “1 bit” is set for
stop bit.
-
y20
Communication
protocol
*1
0: Modbus RTU 0
y98 Bus function 0
To Next Page
Loading...
Need help?
General
