Specifications

4 Communication settings and guide of HMI connecting with controller
3 AT execute/stop
00：stop
01：AT execute
4 write-in mode
00：save
01：RAM
5 RAM storage 00
6 Soft reset 00
7
Setting area1 shift
00
8 Protection value shift 00
Please refer to the communication protocol for details.
NOTE
：
• Make sure the setting value be the same as the plc’s station No.
• Must be the same as the station No. of HMI
• Before writing data, "Communication write" command must is "01” ON (enable)", otherwise it
writes disable
◎Cable Diagram
RS485-2 communication cable
HMI terminal
9pin D-
SUB female/male
Controller
Rs485 terminal
12 B
13 A
6 RX+
1 RX -
com0/com1
RS232 communication, need to use RS-232 to RS-422/485 converter
HMI terminal
9pin D-SUB female
/male
Controller terminal
9
pin D-SUB (male)
2
TXD
3 RXD
5 GND
com2
3 TX
2 RX
5 GND
8 TX
7 RX
5 GND
com0/com1
4.56 OPTO 22
◎Ethernet Communication (nonsupport Direct Online Simulation)
Series CPU Link Module Driver
OPTO 22
SNAP-UP1-ADS Ethernet
OPTO 22 SNAP Ethernet(TCP)
◎System configuration
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