User`s manual

SH-300 User’s Manual Connection with PLC
Page 71 of 103
4.10 Schneider NEZA/TWIDO Series
SH-300 can communicate with Schneider NEZA/TWIDO Series PLC through Modbus RTU
protocol, the communication port is the programming port of PLC
SH-300 software configuration:
Item Content
SH-300 COM port RS485 COM port
PLC COM port Programming port
Default parameter
19200bps、8bit、1stop、Even
Station No.
1－247，1 is Windows default
Distance (Max.)
100m（twisted-pair）
Communication mode RS485
Cable type Special cable
Inner relay address %M000-%M256
Register address %MW0-%MW2999
Connection guidance of Special cable
5GND 5GND
SH-300 side 1 TD+ PLC side
9 pin D shape 9 RD+ 1 A 8pin Round shape
Female plug 6 TD- 2 B male plug
8 RD- 5
7
(when SH-300 communicates with Schneider NEZA/TWIDO Series PLC you are recommended
to use the programming cable the switch on which is placed “3” position)