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7.5.7 Setting Communication Parameters
Tool port/COM port
The settings for baud rate and communication format of the tool port are entered using a programming
tool.
Setting with FPWIN GR
Select "Options" in the menu bar, and then select "PLC Configuration". Click "Tool Port" or "COM Port"
from the left list.
Dialog box of PLC system register setting (Tool port selection screen)
No. 410 Unit number
The unit number can be set within a range of 1 to 99.
No. 412 Communication mode
Select the operation mode of communication port operation mode. Click "General communication".
No. 413 Communication Format setting
The default setting of communication format is as below.
Set the communication format to match the external device connected to the communication port.
(The terminator and header cannot be changed.)
Char. Bit: 8 bits
Parity: Odd
Stop Bit: 1 bit
Terminator: CR
Header: STX not exist
No. 415 Baud rate setting
The default setting for the baud rate is "9600 bps". Set the value to match the external device connected
to the communication port. For using the RS485 type, make the same setting as that of the baud rate
switches (19200 or 115200 bps).
No. 416 Starting address for data received (For the tool port: No. 420)
No. 417 Buffer capacity setting for data received (For the tool port: No. 421)
For the general-purpose serial communication, setting "Receive buffer" is required.
To change this area, specify the starting address using system register No. 416 or 420 and the volume
(number of words) using No. 417or 421. The receive buffer layout is shown below. When setting for the
tool port and the COM port both, do not specify the same buffer number.