CONCH HM Series - Modbus Communication Protocols

6 Instruction of the Wiring & Setting of Supported Communication Devices
103
HM Series Connection Manual
6.18. Modbus Slave
6.18.1. Register Type & Range:
Register Type
Code Format
Numbering Range of Address
Data Length
Holding_REG
4Xnnnn
nnnn=1~9999
Word
Input_REG
3Xnnnn
nnnn=1~9999
Word
Holding_REG
4Lnnnn
nnnn=1~9998
DWord
Input_REG
3Lnnnn
nnnn=1~9998
DWord
6.18.2. Contact Type & Range:
Contact Type
Code Format
Numbering Range of Address
Block
Coil_STATUS
0Xnnnn
nnnn=1~9999
Input_STATUS
1Xnnnn
nnnn=1~9999
6.18.3. Settings of Communication Parameters:
(According to Linked Device)
Parameters
Default Value
Setting Range
Device Address
1
1 ~ 247
Communication Mode
RS232
RS232 / RS485 / RS422
Baud Rate
9600 bps
2400 bps ~ 115200 bps
Data Length
8 bits
7 bits / 8 bits ( RTU can only be 8 bits )
Parity Check
None
None / Odd / Even
Stop Bit
1 bit
1 bit / 2 bits
Command Delay Time
0
0 ~ 1000 ms
HMI Address
Null
6.18.4. Explanation of Communication Wiring:
 COM1 ( RS232 )