Connection Parameters Needed for HMI/cMT Products to Communicate with LS Electric GLOFA Cnet using EBPro (EasyBuilder Pro)

Introduction

All Maple Systems HMIs programmed with EBPro (EasyBuilder Pro), including every cMT X Series and cMT Series model, are compatible with LS Electric GLOFA Cnet. Configure your Controller and HMI/cMT with the following parameters to establish reliable communication.

Supported Series: LS GLOFA GM6/GM7 CPU port. G7L-CUEB / G6L-CUEB / G4L-CUEA / G3L-CUEA Cnet module

Website: http://www.lgis.com/

HMI Settings

Parameters	Recommended	Options
PLC type	LS GLOFA Cnet
PLC I/F	RS232	RS232/RS485 2W/4W
Baud rate	9600	9600~115200
Data bits	8	7, 8
Parity	None	Even, Odd, None
Stop bits	1	1
PLC sta. no.	0	0~31

PLC Settings

Setting	Value
Communication mode	9600,N,8,1 (default), Cnet protocol
Communication module	Applicable mode: 1 dedicated communication

Device Addresses

Bit/Word	Device type	Format	Range	Memo
B	`MX`	DDDDD	0 ~ 32767	Internal Relay
B	`IX`	ddDdd	0 ~ 63763	Input
B	`QX`	ddDdd	0 ~ 63763	Output
W	`MW`	DDDDD	0 ~ 32767	Data Register
DW	`MD`	DDDDD	0 ~ 16383	Double Word

IX and QX format: dd D dd

dd = Module Contact Number (0 to 63)
D = Slot Number (0 to 7)
dd = Base Number (0 to 63)

Wiring Diagrams

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

Diagram 1: RS-232: 9P D-Sub to 9P D-Sub (CPU Port)

HMI	Direction	PLC
Pin assignments		RS232 9P D-Sub Male
Rx	↔ (bidirectional)	7
Tx	↔ (bidirectional)	4
GND	↔ (bidirectional)	5

Diagram 2: RS-232: Communication Module (G7L-CUEB / G6L-CUEB / G4L-CUEA / G3L-CUEA Cnet RS232)

HMI	Direction	PLC
Pin assignments		RS232 9P D-Sub Male
Rx	↔ (bidirectional)	3
Tx	↔ (bidirectional)	2
GND	↔ (bidirectional)	5
	↕︎ (tie)	1 7 8
	↕︎ (tie)	4 6

Diagram 3: RS-485 4W: Communication Module (G7L-CUEC / G6L-CUEC / G4L-CUEA / G3L-CUEA Cnet RS422)

HMI	Direction	PLC
Pin assignments		RS422 terminal
Rx-	↔ (bidirectional)	SDB
RX+	↔ (bidirectional)	SDA
Tx-	↔ (bidirectional)	RDB
Tx+	↔ (bidirectional)	RDA
GND	↔ (bidirectional)	GND