Delta DVP-ES2 User Manual download pdf (Page 401)

100

101

3. Instruction Set

3-285

a) Range of S

: K1 ~ K255

b) The instruction will read VFD status at parameter address 2100H~2104H (Please refer

to user manual of specific VFD for details.) and store the feedback data in

D1070~D1074. However, the content in D1070~D1074 will not be updated when

receiving error or timeout occurs. Therefore, please check the status of receiving

completed flag before applying the received data

Program Example: COM2 (RS-485)

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

Retry when communication time-out occurs.

2. Read VFD status at parameter address 2100H~2104H and store the received data in D1070 ~

D1074.

M1002

MOV H86 D1120

SET M1120

MOV

K100

D1129

RST

M1127

RDST K1 K0

SET

M1122

M1129

Retry when communication time-out occurs

Processing received data

Receiving completed

Communication instruction setting:

Device address: 1

K0:

Reserved

Set up communication protocol as

9600, 7, E, 1

Retain communication protocol

Set up communication time-out: 100ms

Sending request

Reset M1127.

The received data is stored in

D1070 ~ D1074.

PLC  VFD-B, PLC sends: “:01 03 2100 0005 D6 ”

VFD-B  PLC, PLC receives: “:01 03 0A 00C8 7C08 3E00 93AB 0000 2A ”

Data to be sent (sending messages)

Data Descriptions

‘0’ 30 H ADR 1

‘1’ 31 H ADR 0

AC drive address : ADR (1,0)

‘0’ 30 H CMD 1

‘3’ 33 H CMD 0

Command code: CMD (1,0)

2’ 32 H

‘1’ 31 H

‘0’ 30 H

Starting data address

1 2 ... 396 397 398 399 400 401 402 403 404 405 406 ... 701 702

Delta DVP-ES2 User Manual Page 401

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