Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with LingYan BMS. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | LingYan BMS | ||
| PLC I/F | RS232 | ||
| Baud rate | 9600 | ||
| Data bits | 8 | ||
| Parity | None | ||
| Stop bits | 1 | ||
| PLC sta. no. | 0 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| W | BMS | D | 0 |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-232

| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS232 4P Terminal | |
| Rx | ↔ (bidirectional) | 1 |
| Tx | ↔ (bidirectional) | 3 |
| GND | ↔ (bidirectional) | 4 |
