User's Manual

Chapter 4 Upper Communication Specifications

4.1 Specifications to communicate with the host device

Item Specification

Connector M12, 4-pin male connector

Communication System Half Duplex (RS-485)

Baud Rates 9600/19200/38400/115200bps selectable

(Default: 38400bps)

Data Length 8bit

Stop Bit Length 1bit

Error Detection Parity bit even

Cable Length Max. 100m (It varies in the cable)

Note:

・RS485 Protocol: Switch the command-response mechanism to avoid signal conflict.

・For more information, see the communication and interface specification.

・For changing the transmission speed, see the programming manual.

-Important-

(When Flash-ROM is rewritten,) Do not change the transmission speed more than 100 times.