Fuji Electric Monitouch S8 series, Connection Manual

Page: 125 / 406

7-40 7. Fuji Electric
7.2.12 FRENIC-Mini (MODBUS RTU)
Communication Setting
Editor
Communication setting
(Underlined setting: default)
*1 When no parity setting is made, “2 bits” is set for stop bit.
When a parity setting (even or odd) is made, “1 bit” is set for stop bit.
Inverter
Set communication parameters.
Be sure to match the settings to those made on the [Communication Setting] tab window of the editor. (Underlined setting:
default)
*1 Select “Modbud RTU” for the communication protocol on the inverter when connecting with the S8.
*2 When “0” is specified for y99 (support link function), command from function code H30 is valid for the frequency setting and operation
command.
Item Setting Remarks
Connection Mode 1 : 1 / 1 : n / Multi-link2
Signal Level RS-232C / RS-422/485
Baud Rate 4800 / 9600 / 19200 bps
Data Length 8 bits
Do not change the default setting
because the setting on the inverter
cannot be changed.
Stop bit
1 / 2 bits
*1
Parity None / Odd / Even
Target Port No. 1 to 31
Function
Code
Item Setting Example
y01 Station address 1 to 31 1
y04 Baud rate
1: 4800 bps
2: 9600 bps
3: 19200 bps
3
y06 Parity bit
0: None
1: Even
2: Odd
0
y07 Stop bit
For Modbus RTU communication, the stop bit setting is
automatically made according to the parity bit setting.
When no parity setting is made, “2 bits” is set for stop bit.
When a parity setting (even or odd) is made, “1 bit” is set
for stop bit.
-
y10
Communication
protocol
*1
0: Modbus RTU
1: SX (loader) protocol
2: FGI-bus
0
y99 Support link function 0
H30
Link function
*2
3
Frequency Operation Command
0 Function code H30 Function code H30
1 Commanded from RS-485 Function code H30
2 Function code H30 Commanded from RS-485
3 Commanded from RS-485 Commanded from RS-485
Frequency Operation Command
0 Inverter Inverter
1 RS-485 communication Inverter
2 Inverter RS-485 communication
3 RS-485 communication RS-485 communication