Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with LIYAN EX Series. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: LIYAN PLC Ex/Ex1s/Ex1n/Ex2n series
Website: http://www.liyanplc.com/
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | Mitsubishi FX0s/FX0n/FX1s/FX1n/FX2 | ||
| PLC I/F | RS232 | RS232 | |
| Baud rate | 9600 | 9600~115200 | |
| Data bits | 7 | 7,8 | |
| Parity | Even | Even, Odd, None | |
| Stop bits | 1 | 1,2 | |
| PLC sta. no. | 0 | 0-255 | Must match the PLC port setting. |
Device Address
| Bit/Word | Device Type | Format | Range | Memo |
|---|---|---|---|---|
| B | X | ooo | 0 ~ 377 | Input Relay |
| B | Y | ooo | 0 ~ 377 | Output Relay |
| B | M | ddd | 0 ~ 9999 | Internal Bit Memory |
| B | T | ddd | 0 ~ 255 | Timer Bit Memory |
| B | C | ddd | 0 ~ 255 | Counter Bit Memory |
| W | TV | ddd | 0 ~ 255 | Timer Register |
| W | CV | ddd | 0 ~ 199 | Counter Register |
| W | D | ddd | 0 ~ 9999 | Data Register |
| W | CV2 | ddd | 200 ~ 255 | Counter Register (Double Word) |
| W | SD | ddd | 8000 ~ 9999 | Special Data Register |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-232

The view from the soldering point of a connector.
9P D-Sub to 8P Mini-DIN: Ex, Ex1s, Ex1n, Ex2n series
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS232 8P Mini-DIN Male | |
| Rx | ↔ (bidirectional) | 2 |
| Tx | ↔ (bidirectional) | 7 |
| GND | ↔ (bidirectional) | 6 |
