Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual RTU mode M1143 = on, Cf H

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

Register	Data			Descriptions
D12 low byte	‘3’	33 H	address H2104		PLC COM2 automatically
					converts ASCII codes to hex
D12 high byte	‘6’	36 H			and stores the converted
					value in D1300
D13 low byte	‘0’	30 H			0000 H
D13 high byte	‘0’	30 H	Content of		PLC COM2 automatically
D14 low byte	‘0’	30 H			converts ASCII codes to hex
			address H2105
D14 high byte	‘0’	30 H			and stores the converted
					value in D1301
D15 low byte	‘3’	33 H	LRC CHK 1
D15 high byte	‘B’	42 H	LRC CHK 0

RTU mode (M1143 = ON):

When X0 = ON, MODRW instruction executes the function specified by Function Code 03 PLC Ö VFD-B, PLC sends: ” 01 03 2100 0006 CF F4”

VFD-B Ö PLC, PLC receives: “01 03 0C 0000 0503 0BB8 0BB8 0000 012D 8E C5”

Registers for data to be sent (sending messages)

	Register	Data		Descriptions
	D1256 Low byte	01 H	Address
	D1257 Low byte	03 H	Function
	D1258 Low byte	21 H	Data Address
	D1259 Low byte	00 H
	D1260 Low byte	00 H	Number of data (count by word)
	D1261 Low byte	06 H
	D1262 Low byte	CF H	CRC CHK Low
	D1263 Low byte	F4 H	CRC CHK High
Registers for received data (responding messages)
	Register	Data		Descriptions
	D0 low byte	01 H	Address
	D1 low byte	03 H	Function
	D2 low byte	0C H	Number of data (count by byte)
	D3 low byte	00 H	Content of		0000 H
					PLC COM2 automatically
			address H2100
	D4 low byte	00 H
					stores the value in D1296
	D5 low byte	05 H	Content of		0503 H

3 - 340