Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual D1089 low ‘0’ 30 H

DVP - ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming

Program Example 1:

Communication between PLC and VFD-B series AC motor drives (ASCII Mode, M1143 = OFF)

M1002

X1

X0

M1127

Receiving completed

MOV	H87	D1120	Set communication protocol as 9600, 8, E, 1
SET	M1120	Retain communication protocol
MOV	K100	D1129	Set receiving timeout as 100ms
SET	M1122	Sending request
MODWR	K1	H0100	H1770
				Set communication instruction:
				Data: H1770
				Data address: H0100
				Device address: 01

Processing received data		The received data is stored in
		D1070~D1085 in ASCII format.
RST	M1127 Reset M1127

PLC → VFD-B, PLC transmits: “01 06 0100 1770 71 ”

VFD-B → PLC, PLC receives: “01 06 0100 1770 71 ”

Registers for data to be sent (sending messages)

Register		Data			Descriptions
D1089 low	‘0’		30 H	ADR 1	Address of AC motor drive: ADR
D1089 high	‘1’		31 H	ADR 0	(1,0)
D1090 low	‘0’		30 H	CMD 1	Command code of AC motor
D1090 high	‘6’		36 H	CMD 0	drive: CMD (1,0)
D1091 low	‘0’		30 H
D1091 high	‘1’		31 H	Data address
D1092 low	‘0’		30 H
D1092 high	‘0’		30 H
D1093 low	‘1’		31 H
D1093 high	‘7’		37 H	Data contents
D1094 low	‘7’		37 H
D1094 high	‘0’		30 H
D1095 low	‘7’		37 H	LRC CHK 1	Checksum: LRC CHK (0,1)
D1095 high	‘1’		31 H	LRC CHK 0

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