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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 (HEX Addressing). 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

ParametersRecommendedOptionsNotes
PLC typeMODBUS TCP/IP (HEX Addressing)
PLC I/FEthernet
Port no.502
PLC sta. no.10~255

Device Address

Bit/WordDevice typeFormatRangeMemo
B0xDDDDD1 ~ 65535Output bit
B0x_single_BitDDDDD1 ~ 65535
B0x_multi_coilsDDDDD1 ~ 65535
B0x_8bits_writeDDDDD1 ~ 65535
B1xDDDDD1 ~ 65535Input bit (read only)
B1x_single_BitDDDDD1 ~ 65535
B3x_bitDDDDDdd100 ~ 6553515Input Register bit (read only)
B4x_bitDDDDDdd100 ~ 6553515Output Register bit
B6x_bitDDDDDdd100 ~ 6553515Output Register bit
B0x_1DDDDD1 ~ 65535
B0x_2DDDDD1 ~ 65535
B0x_3DDDDD1 ~ 65535
B0x_4DDDDD1 ~ 65535
B0x_5DDDDD1 ~ 65535
B0x_6DDDDD1 ~ 65535
B0x_7DDDDD1 ~ 65535
B0x_8DDDDD1 ~ 65535
B0x_9DDDDD1 ~ 65535
B1x_1DDDDD1 ~ 65535
B1x_2DDDDD1 ~ 65535
B1x_3DDDDD1 ~ 65535
B1x_4DDDDD1 ~ 65535
B1x_5DDDDD1 ~ 65535
B1x_6DDDDD1 ~ 65535
B1x_7DDDDD1 ~ 65535
B1x_8DDDDD1 ~ 65535
B1x_9DDDDD1 ~ 65535
W3xDDDDD1 ~ 65535Input Register
DW3x_DoubleDDDDD1 ~ 65535*Note1
QW3X_QWordDDDDD1 ~ 6553564bit
W4xDDDDD1 ~ 65535Output Register
DW4X_DoubleDDDDD1 ~ 65535*Note1
QW4X_QWordDDDDD1 ~ 6553564bit
W4x string central europeDDDDD1 ~ 65535Convert the Central Europe ASCII to Unicode.
W4x string central europe (rev)DDDDD1 ~ 65535
DW5xDDDDD1 ~ 655354x double word swap
W6xDDDDD1 ~ 655354x single word write
WVendorNameDDD0 ~ 255Function Code 43
WProductCodeDDD0 ~ 255
WMajorMinorRevisionDDD0 ~ 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.

Conversion dialog showing byte-swap checkboxes for 3x, 4x, 6x, 3x_Double, and 4x_Double device types, with AB and ABCD swap options.

Modbus TCP/IP Function Code

Device typeReadWrite
0x0x01 Read coil0x05 write single coil
0x_multi_coils0x01 Read coil0x0f write multiple coils
0x_8bits_write0x01 Read coil0x0f write multiple coils
1x0x02 Read discrete inputX
3x / 3x_Bit0x04 Read input registerX
4x / 4x_Bit0x03 Read holding register0x10 write multiple registers
5x0x03 Read holding register0x10 write multiple registers
6x0x03 Read holding register0x06 write single register

NOTE: EBPro V6.03.02 or later supports 64-bit data type (cMT Series only), but note that the address limit range is 48 bits maximum.

Wiring Diagram

The diagram below shows the Ethernet cable wiring.

Straight-through Ethernet cable wiring diagram showing all 8 wire pairs (W/Orange, Orange, W/Green, Blue, W/Blue, Green, W/Brown, Brown) connected pin-to-pin on both ends.