Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with GMTCNT Modbus TCP/IP. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: GMTCNT Modbus TCP/IP device
Website: https://gmtcontrol.com/
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | GMTCNT PLC MODBUS TCP/IP | ||
| PLC I/F | Ethernet | ||
| Port no. | 502 | ||
| PLC sta. no. | 1 | 0~255 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | MB | DDDDD | 1 ~ 1023 | |
| B | IP | DDD | 1 ~ 272 | |
| B | QP | DDD | 1 ~ 272 | |
| B | MW_Bit | DDDdd | 0 ~ 51115 | |
| W | MW | DDDD | 0 ~ 511 | |
| W | MI | DDDD | 0 ~ 1023 | |
| W | MF | DDDDD | 1 ~ 1023 |
Wiring Diagram
NOTE: Connect the HMI to the GMTCNT PLC using a standard Ethernet cable.
The diagram below shows the Ethernet cable wiring.

