Panasonic FP E Series, User Manual, Page: 188 / 440

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Setting Baud rate, communication format
By default, the COM port is set to “Computer link”. System register settings should be entered for the
following items.
The settings for baud rate and communication format are made using the FPWIN GR programming tool.
Select “Options” in the menu bar, and then select “PLC Configuration”. Double-click “COM Port”. There
are separate settings for COM1 and COM2 .
Dialog box of PLC system register setting
No. 412 Communication Mode
Select the COM port operation mode:
Click on
,
and select “General Communication”.
No. 413 (for COM1 port), No. 414 (for COM2 port) Communication Format setting
Default setting:
Char. Bit …………… 8 bits
Parity ………………. Odd
Stop Bit ……………. 1 bit
Terminator ………… CR
Header …………….. STX not exist
Enter the appropriate settings to match the communication format of the external device connected to
the COM port..
No. 415 Baud rate (communication speed) setting
The default setting for the communication speed for the various ports is 9600 bps. Change the value to
match the external device connected to the COM port:
Click on
,
and select one of the values from 2400, 4800, 9600, 19200, 38400, 57600 and
115200 bps.
No. 416 (for COM1 port), No. 418 (for COM2 port) Starting address for data received
No. 417 (for COM1 port), No. 419 (for COM2 port) Buffer capacity setting for data received
To use general-purpose serial communication, the receive buffer must be specified. By default, the entire
data register area is defined as the receive buffer. To change this area, specify the starting address
using system register no. 416 (no. 418 for COM2 port) and the volume (number of words) using no. 417
(no. 419 for COM2 port). The receive buffer layout is shown below.