Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Eaton (Moeller) Easy 822. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: Eaton Moeller EASY 822-DC-TC Relays
Website: https://www.eaton.com/us/en-us.html
HMI Setting
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | Eaton Moeller EASY 822 | ||
| PLC I/F | RS232 | ||
| Baud rate | 9600 | ||
| Data bits | 8 | ||
| Parity | None | ||
| Stop bits | 1 |
Device Address
| Bit/Word | Device type | Format | Range | Note |
|---|---|---|---|---|
| B | I | DD | 1 ~ 16 | |
| B | R | DD | 1 ~ 16 | |
| B | Q | D | 1 ~ 8 | |
| B | S | D | 1 ~ 8 | |
| B | M | DD | 1 ~ 96 | |
| B | P | D | 1 ~ 4 | |
| B | ID | D | 1 ~ 8 | |
| Byte | MB | DD | 1 ~ 96 | |
| W | MW | DD | 1 ~ 96 | |
| DW | MD | DD | 1 ~ 96 | |
| W | IA | D | 1 ~ 4 | |
| W | QA | D | 1 |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-232
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | RS232 9P 9D-Sub Male | |
| Rx | ↔ (bidirectional) | 2 TD |
| Tx | ↔ (bidirectional) | 3 RD |
| GND | ↔ (bidirectional) | 4,5 GND |
| RTS | ↔ (bidirectional) | 7 |