Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Trio MODBUS RTU, TCP/IP. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Website: http://www.triomotion.com
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | Trio MODBUS RTU, TCP/IP | ||
| PLC I/F | RS485 | RS232/RS485/Ethernet | |
| Baud rate | 9600 | 9600~115200 | |
| Data bits | 8 | 7, 8 | |
| Parity | Even | Even, Odd, None | |
| Stop bits | 1 | 1, 2 | |
| Port no. | 502 | ||
| PLC sta. no. | 1 | 0-255 | |
| Online simulator | YES | ||
| Broadcast command | YES | ||
| Extend address mode | YES |
PLC Settings
| Parameter | Value |
|---|---|
| Communication mode | Modbus RTU protocol |
| PLC mode | 4 (16bit signed integer) |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | VR_Bit | DDDDdd | 0 ~ 409615 | |
| B | Table_Bit | DDDDDdd | 0 ~ 3199915 | |
| W | VR | DDDD | 0 ~ 4096 | |
| W | Table | DDDDD | 0 ~ 31999 |
Wiring Diagrams
NOTE: The serial port pin assignments may vary between HMI models.
Diagram 1: RS-232
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS232 9P D-Sub Male | |
| Rx | ↔ (bidirectional) | TXD |
| Tx | ↔ (bidirectional) | RXD |
| GND | ↔ (bidirectional) | GND |
| ↕︎ (tie) | RTS CTS |
Diagram 2: RS-485 2W
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS485 2W 9P D-Sub Male | |
| Data- | ↔ (bidirectional) | D- |
| Data+ | ↔ (bidirectional) | D+ |
| GND | ↔ (bidirectional) | GND |
Diagram 3: RS-485 4W
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS485 4W 9P D-Sub Male | |
| Rx- | ↔ (bidirectional) | TX- |
| RX+ | ↔ (bidirectional) | TX+ |
| Tx- | ↔ (bidirectional) | RX- |
| Tx+ | ↔ (bidirectional) | RX+ |
| GND | ↔ (bidirectional) | GND |
Diagram 4: Ethernet
Use a standard straight-through Ethernet cable for TCP/IP connections.
