Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual D1070 low ‘0’ 30 H

3. Instruction Set

Registers for received data (responding messages)

Register		Data		Descriptions
D1070 low	‘0’		30 H	ADR 1
D1070 high	‘1’		31 H	ADR 0
D1071 low	‘0’		30 H	CMD 1
D1071 high	‘6’		36 H	CMD 0
D1072 low	‘0’		30 H
D1072 high	‘1’		31 H	Data address
D1073 low	‘0’		30 H
D1073 high	‘0’		30 H
D1074 low	‘1’		31 H
D1074 high	‘7’		37 H	Data content
D1075 low	‘7’		37 H
D1075 high	‘0’		30 H
D1076 low	‘7’		37 H	LRC CHK 1
D1076 high	‘1’		31 H	LRC CHK 0

Program Example 2:

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

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	M1143	Set as RTU mode
SET	M1122	Sending request
MODWR	K1	H2000		H12	Set communication instruction:
					Write in data H12
					Data address: H2000
					Device address: 01
Process of receiving data			The receiving data is stored in
			D1070~D1085 in Hex.
RST	M1127 Reset M1127

PLC → VFD-B, PLC transmits: 01 06 2000 0012 02 07

VFD-B → PLC, PLC receives: 01 06 2000 0012 02 07

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