Introduction
All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with Modbus TCP/IP. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.
Supported Series: Modbus RTU TCP/IP device
Website: http://www.modbus.org
HMI Settings
| Parameters | Recommended | Options | Notes |
|---|---|---|---|
| PLC type | MODBUS TCP/IP | ||
| PLC I/F | Ethernet | ||
| Port no. | 502 | ||
| PLC sta. no. | 1 | 0~255 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | 0x | DDDDD | 1 ~ 65535 | Output bit |
| B | 0x_single_Bit | DDDDD | 1 ~ 65535 | |
| B | 0x_multi_coils | DDDDD | 1 ~ 65535 | |
| B | 0x_8bits_write | DDDDD | 1 ~ 65535 | |
| B | 1x | DDDDD | 1 ~ 65535 | Input bit (read only) |
| B | 1x_single_Bit | DDDDD | 1 ~ 65535 | |
| B | 3x_bit | DDDDDdd | 100 ~ 6553515 | Input Register bit (read only) |
| B | 4x_bit | DDDDDdd | 100 ~ 6553515 | Output Register bit |
| B | 6x_bit | DDDDDdd | 100 ~ 6553515 | Output Register bit |
| B | 0x_1 | DDDDD | 1 ~ 65535 | |
| B | 0x_2 | DDDDD | 1 ~ 65535 | |
| B | 0x_3 | DDDDD | 1 ~ 65535 | |
| B | 0x_4 | DDDDD | 1 ~ 65535 | |
| B | 0x_5 | DDDDD | 1 ~ 65535 | |
| B | 0x_6 | DDDDD | 1 ~ 65535 | |
| B | 0x_7 | DDDDD | 1 ~ 65535 | |
| B | 0x_8 | DDDDD | 1 ~ 65535 | |
| B | 0x_9 | DDDDD | 1 ~ 65535 | |
| B | 1x_1 | DDDDD | 1 ~ 65535 | |
| B | 1x_2 | DDDDD | 1 ~ 65535 | |
| B | 1x_3 | DDDDD | 1 ~ 65535 | |
| B | 1x_4 | DDDDD | 1 ~ 65535 | |
| B | 1x_5 | DDDDD | 1 ~ 65535 | |
| B | 1x_6 | DDDDD | 1 ~ 65535 | |
| B | 1x_7 | DDDDD | 1 ~ 65535 | |
| B | 1x_8 | DDDDD | 1 ~ 65535 | |
| B | 1x_9 | DDDDD | 1 ~ 65535 | |
| W | 3x | DDDDD | 1 ~ 65535 | Input Register |
| DW | 3x_Double | DDDDD | 1 ~ 65535 | *Note1 |
| QW | 3x_QWord | DDDDD | 1 ~ 65535 | 64bit |
| W | 4x | DDDDD | 1 ~ 65535 | Output Register |
| DW | 4x_Double | DDDDD | 1 ~ 65535 | *Note1 |
| QW | 4x_QWord | DDDDD | 1 ~ 65535 | 64bit |
| W | 4x string central europe | DDDDD | 1 ~ 65535 | Convert the Central Europe ASCII to Unicode. |
| W | 4x string central europe (rev) | DDDDD | 1 ~ 65535 | |
| DW | 5x | DDDDD | 1 ~ 65535 | 4x double word swap |
| W | 6x | DDDDD | 1 ~ 65535 | 4x single word write |
| W | VendorName | DDD | 0 ~ 255 | Function Code 43 |
| W | ProductCode | DDD | 0 ~ 255 | |
| W | MajorMinorRevision | DDD | 0 ~ 255 |
Note1: Go to [System Parameter Settings] → [Device Properties] and click [Conversion] to set the data format of device types 3x, 4x, 6x, 3x_Double, 4x_Double, 3x_QWord, 4x_QWord.
Modbus TCP/IP Function Codes
| Device type | Read | Write |
|---|---|---|
0x | 0x01 Read coil | 0x05 write single coil |
0x_multi_coils | 0x01 Read coil | 0x0f write multiple coils |
0x_8bits_write | 0x01 Read coil | 0x0f write multiple coils |
1x | 0x02 Read discrete input | X |
3x / 3x_Bit | 0x04 Read input register | X |
4x / 4x_Bit | 0x03 Read holding register | 0x10 write multiple registers |
5x | 0x03 Read holding register | 0x10 write multiple registers |
6x | 0x03 Read holding register | 0x06 write single register |
NOTE: EBPro V6.03.02 or later supports 64 bits data type (cMT Series only), but please note that the address limit range is 48 bits in maximum.
Wiring Diagram
The diagram below shows the Ethernet cable wiring.
