Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Lrc Chk, RTU Mode M1143 = on

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

Register

Data

Descriptions

D1260 Low

‘0’

30 H

D1260 High

‘0’

30 H

Number of Data(count by bit)

D1261 Low

‘1’

31 H

D1261 High

‘0’

30 H

D1262 Low

‘E’

45 H

LRC CHK 1

Checksum: LRC CHK (0,1)

D1262 High

‘8’

38 H

LRC CHK 0

Registers for received data (responding messages)

Register

Data

Descriptions

D0 Low

‘0’

30 H

ADR 1

D0

High

‘1’

31 H

ADR 0

D1 Low

‘0’

30 H

CMD 1

D1 High

‘2’

33 H

CMD 0

D2

Low

‘0’

30 H

Number of Data (count by Byte)

D2

High

‘2’

32 H

D3

Low

‘3’

33 H

1234 H

Content of

D3

High

‘4’

34 H

PLC automatically converts ASCII

address 0500H~

D4

Low

‘1’

31H

0515H

codes and store the converted

D4

High

‘2’

32H

value in D1296

D5 Low

‘B’

52H

LRC CHK 1

D5 High

‘5’

35 H

LRC CHK 0

Analysis of the read status of PLC2 Y0~Y17: 1234H

Device

Status

Device

Status

Device

Status

Device

Status

Y0

OFF

Y1

OFF

Y2

ON

Y3

OFF

Y4

ON

Y5

ON

Y6

OFF

Y7

OFF

Y10

OFF

Y11

ON

Y12

OFF

Y13

OFF

Y14

ON

Y15

OFF

Y16

OFF

Y17

OFF

RTU Mode (M1143 = ON):

When X0 = ON, MODRW instruction executes the function specified by Function Code 02 PLC1Ö PLC2，PLC1sends: “01 02 0500 0010 79 0A”

PLC2 Ö PLC1，PLC1receives: “01 02 02 34 12 2F 75”

Registers for data to be sent (sending messages)

Register	Data	Descriptions
D1256 Low	01 H	Address
D1257 Low	02 H	Function
D1258 Low	05 H	Y0 = H0500
D1259 Low	00 H	Starting Data Address

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