Delta DVP-ES2 User Manual download pdf (Page 397)

100

101

3. Instruction Set

3-281

 In STOP instruction: operand n is reserved.

d) When Forward JOG is selected in FWR instruction, set value in S

is invalid. If users

need to modify the JOG frequency, please refer to manuals of specific VFDs.

Program Example: COM2 (RS-485)

Communication between PLC and VFD-B series inverter (ASCII Mode, M1143 = OFF), Retry when

communication time-out occurs.

M1002

MOV H86 D1120

SET M1120

MOV

K100

D1129

RST

M1127

FWD

K1 K500 K0

SET

M1122

M1129

Retry when communication time-out occurs

Processing received data

Receiving completed

Communication instruction setting:

Device address: 1

Frequency: 500Hz

K0:normal forward

Set up communication protocol as

9600, 7, E, 1

Retain communication protocol

Set up communication time-out: 100ms

Sending request

Reset M1127

PLC  VFD, PLC sends: “:01 10 2000 0002 04 0012 01F4 C2 ”

VFD  PLC, PLC sends: “:01 10 2000 0002 CD ”

Data to be sent (sending messages)

Data Descriptions

‘0’ 30 H ADR 1

‘1’ 31 H ADR 0

Address of AC motor drive: ADR

(1,0)

‘1’ 31 H CMD 1

‘0’ 30 H CMD 0

Command code: CMD (1,0)

‘2’ 32 H

‘0’ 30 H

Data Address

‘0’ 30 H

‘2’ 32 H

Data content

1 2 ... 392 393 394 395 396 397 398 399 400 401 402 ... 701 702

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Delta DVP-ES2 User Manual Page 397

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