PLC Connection Guide

Inovance H2U/H1U
Website: http://www.inovance.cn/

HMI Setting:
Parameters Recommended Options Notes
PLC type Inovance H2U/H1U
PLC I/F RS485 4W
Baud rate 9600 9600~19200
Data bits 7 7 or 8
Parity Even Even, Odd, None
Stop bits 1 1 or 2
PLC sta. no. 0

Device Address:
Bit/Word Device type Format Range Memo
B X OOO 0 ~ 377 Input Bits
B Y OOO 0 ~ 377 Output Bits
B M DDDD 0 ~ 7999 Auxiliary Relay
B T DDD 0 ~ 255 Timer Relay
B C DDD 0 ~ 255 Counter Relay
B SM DDDD 8000 ~ 9999 Special Auxiliary Relay
B D_Bit DDDDdd 0 ~ 799915
B S DDDD 0 ~ 4095
W TV DDD 0 ~ 255 Timer Memory
W CV DDD 0 ~ 199 Counter Memory
W D DDDD 0 ~ 7999 Data Registers
DW CV2 DDD 200 ~ 255 Counter Memory (32bit)
W SD DDDD 8000 ~ 9999 Special Data Register
Note: ddd: Decimal, hhh: Hexadecimal, ooo: Octal.
Each model of CPU is different, it is recommended to refer to PLC Manual Device List.
 PLC Connection Guide

Wiring Diagram:
The following is the view from the soldering point of a connector.

Diagram 1
cMT Series cMT3151

eMT Series eMT3070 / eMT3105 / eMT3120 / eMT3150

MT-iE MT8070iE / MT6070iE / MT8100iE / MT8121iE / MT8150iE

MT-XE MT8121XE / MT8150XE

HMI PLC
COM1 H2U/H1U
RS485 4W RS422 8P
9P Male Mini-DIN Male
Rx- 1 4
Rx+ 2 7
Tx- 3 1
TX+ 4 2
GND 5 3
 PLC Connection Guide

Diagram 2
cMT Series cMT-SVR / cMT-G01 / cMT-G02 / cMT-HDM / cMT-FHD

mTV mTV

HMI PLC
COM2 H2U/H1U
RS485 4W RS422 8P
9P Female Mini-DIN Male
Rx- 7 4
Rx+ 6 7
Tx- 9 1
TX+ 8 2
GND 5 3

Diagram 3
cMT Series cMT3071 / cMT3072 / cMT3090 / cMT3103

MT-iE MT8071iE / MT6071iE / MT8072iE / MT6072iE / MT8073iE /

MT-iP MT6071iP / MT8071iP / MT6103iP / MT8102iP

HMI PLC
COM2 H2U/H1U
RS485 4W RS422 8P
9P Male Mini-DIN Male
Rx- 1 4
Rx+ 2 7
Tx- 3 1
TX+ 4 2
GND 5 3
 PLC Connection Guide

Diagram 4
MT-iE MT8050iE / MT8053iE

MT-iP MT6051iP / MT8051iP

HMI PLC
COM1 H2U/H1U
RS485 4W RS422 8P
9P Female Mini-DIN Male
Rx- 1 4
Rx+ 2 7
Tx- 3 1
TX+ 4 2
GND 5 3