Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Change Compressor Controller. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Website: http://www.sh-changjia.com/
HMI Setting
| Parameters | Recommended | Options |
|---|---|---|
| PLC type | Change | |
| PLC I/F | RS485 2W | |
| Baud rate | 9600 | |
| Data bits | 8 | |
| Parity | None | |
| Stop bits | 1 | |
| PLC sta. no. | 1 | 1~6 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | CTL | DDD | 0 ~ 5, 128, 150 | Write only |
| DW | SET | DDD | 0 ~ 57, 128 | |
| DW | STATUS | DD | 1 ~ 20 | Read only |
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-485 2W
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | Change RS485 2W Terminal | |
| Data- | ↔ (bidirectional) | 15 Data- |
| Data+ | ↔ (bidirectional) | 16 Data+ |
| GND | ↔ (bidirectional) | GND |