Interface    RS-232C 1 channel and RS-485 1 channel
Transmission distance    [RS-232C] Max.15 m 49.213 ft
[RS-485] Max. 1,200 m 3,937.008 ft
Communication configuration    [RS-232C] 1 : 1 communication
[RS-485] 1 : N communication
Communication speed    1,200(Note), 2,400(Note), 4,800, 9,600, 19,200, 38,400, 57,600, 115,200, 230,400 bits/sec.
(Note): System register no. 415 cannot be used to set the baud rate to 1,200 bps. To set the baud rate to 1,200 bps, use the SYS1 instruction. If the baud rate of any of the COM ports is 2,400 bps or lower, F-ROM access will slow down.
Example) F12(ICRD) instruction, P13(ICWT) instruction, etc.
Communication method    Half-duplex system
Synchronous method    Start-stop synchronization system
Transmission format : Data length    7 bits / 8 bits
Transmission format : Parity    none / odd / even
Transmission format : Stop bit    1 bit / 2 bits
Transmission format : Start code    with STX / without STX
Transmission format : End code    CR / CR + LF / none / ETX / Time (0 to 100 ms)
Data transmission order    Transmit from bit 0 in character units.
Number of stations    [RS-232C] -
[RS-485] Max. 99 units