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Introduction

All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with MEGMEET MC Series. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.

Supported Series: MEGMEET MC Series (Modbus RTU Protocol and Modbus TCP/IP

Protocol: Modbus RTU / Modbus TCP/IP

HMI Settings

Parameters Recommended Options Notes
PLC type MEGMEET MC Series
PLC I/F RS232/Ethernet
Baud rate 9600 9600, 19200, 115200
Data bits 8 8
Parity Even Even, Odd, None
Stop bits 1 1 or 2
Port no. 502
PLC sta. no. 0 0–255

PLC Settings

Parameter Value
Communication mode Modbus RTU protocol / Modbus TCP/IP protocol

Device Address

Bit/Word Device type Format Range Memo
B X OOO 0 ~ 377 1200~01455 0000~0255
B Y OOO 0 ~ 377 0000~0255
B M DDDDD 0 ~ 10239 2000~2047 12000~20191
B SM DDD 0 ~ 511 4400~4655 30000~30255
B S DDDD 0 ~ 4095 6000~7023 31000~34071
B T_Bit DDD 0 ~ 511 8000~8255
B C_Bit DDD 0 ~ 306 9200~9455 10000~10050
B D_Bit DDDDdd 0 ~ 799915
B R_Bit DDDDDdd 0 ~ 3276715
W D DDDD 0 ~ 7999 0000~7999
DW D_Double DDDD 0 ~ 7998 0000~7999
W SD DDD 0 ~ 511 8000~8255 12000~12255
DW SD_Double DDD 0 ~ 510 8000~8255 12000~12255
W Z DD 0 ~ 15 8500~8515
W T DDD 0 ~ 511 9000~9255 11000~11255
W C DDD 0 ~ 199 9500~9699
DW C_Double DDD 200 ~ 306 9700~10101
W R DDDDD 0 ~ 32767 13000~45767
DW R_Double DDDDD 0 ~ 32766 13000~45767

Wiring Diagram

NOTE: The serial port pin assignments may vary between HMI models.

RS-232

HMI Direction PLC
Pin assignments MC Series COM1 terminal
Rx ↔ (bidirectional) TXD
Tx ↔ (bidirectional) RXD
GND ↔ (bidirectional) GND