Delta DVP-ES2 User Manual download pdf (Page 390)

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

3-274

Program Example 1:

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

MOV D1120H87

M1002

SET M1120

M1127

RST M1127

Receiving

completed

Set communication protocol as 9600, 8, E, 1

Retain communication protocol

Set receiving timeout as 100ms

Processing received data

Reset M1127

Sending request

X1

X0

Set communication instruction:

Data address: H0100

Data: H1770

Device address: 01

The received data is stored in

D1070~D1085 in ASCII format.

MOV D1129

K100

SET M1122

MODWR H0100K1 H1770

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

D1089 high ‘1’ 31 H ADR 0

Address of AC motor drive: ADR

(1,0)

D1090 low ‘0’ 30 H CMD 1

D1090 high ‘6’ 36 H CMD 0

Command code of AC motor

drive: CMD (1,0)

D1091 low ‘0’ 30 H

D1091 high ‘1’ 31 H

D1092 low ‘0’ 30 H

D1092 high ‘0’ 30 H

Data address

D1093 low ‘1’ 31 H

D1093 high ‘7’ 37 H

D1094 low ‘7’ 37 H

D1094 high ‘0’ 30 H

Data contents

D1095 low ‘7’ 37 H LRC CHK 1

D1095 high ‘1’ 31 H LRC CHK 0

Checksum: LRC CHK (0,1)

1 2 ... 385 386 387 388 389 390 391 392 393 394 395 ... 701 702

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