Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with SHJ A Series. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
HMI Setting
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | SHJ-A | ||
| PLC I/F | RS485 2W | ||
| 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 | Word | DD | 0 ~ 89 |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-485 2W
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS485 terminal | |
| Data- | ↔ (bidirectional) | D- |
| Data+ | ↔ (bidirectional) | D+ |
| GND | ↔ (bidirectional) | GND |