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5-46 6. YOKOGAWA PLC
Communication Setting
The recommended communication parameter settings of the PLC and the V7 series is as follows:
FA500
FA-M3/FA-M3R
*1 The maximum baud rate available with the V7 series is 115200 bps.
Select the appropriate baud rate depending on the used PLC and environment.
*2 When directing connecting to the programming tool port on the CPU module, the data length is
fixed to “8.” Select [8-bit] for [Data Length] in the [comm. Parameter] dialog of the V7 series.
Also, set “CPU Communication Port” of “Configuration” in the ladder creation tool as below.
Personal computer link function: Use
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate 19200 bps 19200 bps
Port 1 1
Parity Even Even
Transmission code
Data length 7 7
Stop bit 1 1
Sumcheck Provided (fixed) −
Terminal character None (fixed) −
Protection function None (fixed) −
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate
*1
19200 bps 19200 bps
Port 1 1
Parity Even Even
Transmission code
Data length
*2
77
Stop bit 1 1
Sumcheck Provided Provided
Terminal character None (fixed) −
Protection function None (fixed) −