Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Inovance H2U/H1U. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Website: www.inovance.cn
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | Inovance H2U/H1U | ||
| PLC I/F | RS485 4W | ||
| Baud rate | 9600 | 9600~19200 | |
| Data bits | 7 | 7 or 8 | |
| Parity | Even | Even, Odd, None | |
| Stop bits | 1 | 1 or 2 | |
| PLC sta. no. | 0 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | X | OOO | 0 ~ 377 | Input Bits |
| B | Y | OOO | 0 ~ 377 | Output Bits |
| B | M | DDDD | 0 ~ 7999 | Auxiliary Relay |
| B | T | DDD | 0 ~ 255 | Timer Relay |
| B | C | DDD | 0 ~ 255 | Counter Relay |
| B | SM | DDDD | 8000 ~ 9999 | Special Auxiliary Relay |
| B | D_Bit | DDDDdd | 0 ~ 799915 | |
| B | S | DDDD | 0 ~ 4095 | |
| W | TV | DDD | 0 ~ 255 | Timer Memory |
| W | CV | DDD | 0 ~ 199 | Counter Memory |
| W | D | DDDD | 0 ~ 7999 | Data Registers |
| DW | CV2 | DDD | 200 ~ 255 | Counter Memory (32bit) |
| W | SD | DDDD | 8000 ~ 9999 | Special Data Register |
NOTE: ddd: Decimal, hhh: Hexadecimal, ooo: Octal.
Each model of CPU is different; refer to the PLC Manual Device List.
Wiring Diagram
NOTE: The serial port pin assignments may vary between HMI models.
RS-485 4W
The view from the soldering point of a connector
| HMI | Direction | PLC |
|---|---|---|
| Pin assignments | H2U/H1U RS422 8P Mini-DIN Male | |
| Rx- | ↔ (bidirectional) | 4 |
| RX+ | ↔ (bidirectional) | 7 |
| Tx- | ↔ (bidirectional) | 1 |
| Tx+ | ↔ (bidirectional) | 2 |
| GND | ↔ (bidirectional) | 3 |