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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 Chong Hui Controlwell MD Series. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.

Supported Series: ControlWell MC3U-32T-A

HMI Setting

ParametersRecommendedOptionsNotes
PLC typeCHONG HUI Controlwell MD Series
PLC I/FRS232RS232/RS485/Ethernet
Baud rate192009600 ~ 57600
Data bits87, 8
ParityEvenEven, Odd, None
Stop bits11, 2
PLC sta. no.11-255Must match PLC port setting.
Port no.5000Ethernet only.

Device Address

Bit/WordDevice typeFormatRangeMemo
BMDDDDD0 ~ 79999
BXOOOOo0 ~ 25707
BYOOOOo0 ~ 25707
BSDDDD0 ~ 7999
BSMDDDD0 ~ 7999
BTDDDD0 ~ 7999
BCDDDD0 ~ 7999
BHTDD0 ~ 39
BHCDD0 ~ 39
BDDDDDD0 ~ 79999
BAIDDDD0 ~ 2199
WAQDDDD0 ~ 2199
WSDDDDD0 ~ 4999
WTDDDDD0 ~ 7999
WCDDDDD0 ~ 7999
WHTDDD0 ~ 39
WHCDDD0 ~ 39
WFDDDDD0 ~ 9999
WFDDDDDD0 ~ 4999

Wiring Diagram

NOTE: The serial port pin assignments may vary between HMI models.

Diagram 1:

RS-232 (PLC COM1: RS-232 8P Mini-DIN)

The following is the view from the soldering point of a connector.

RS-232 8P Mini-DIN connector viewed from the soldering point, showing circular pin layout.
HMIDirectionPLC
Pin assignmentsCOM1 RS232
8P Mini-Din Male
Rx↔ (bidirectional)5 TX
Tx↔ (bidirectional)4 RX
GND↔ (bidirectional)3/8 GND

Diagram 2:

RS-485 2W (PLC COM3: RS-485 2W Terminal)

HMIDirectionPLC
Pin assignmentsCOM3
RS485 2W
Terminal
Data-↔ (bidirectional)Data-
Data+↔ (bidirectional)Data+
GND↔ (bidirectional)GND

Diagram 3:

Ethernet cable:

Ethernet cable wiring diagram showing 8 color-coded twisted pairs connected straight-through between two RJ45 connectors, with wire colors W/Orange, Orange, W/Green, Blue, W/Blue, Green, W/Brown, and Brown.