Delta DVP-ES2 User Manual download pdf (Page 610)

100

101

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

4.3.2 CMD (Command code) and DATA

The content of access data depends on the command code. For descriptions of available command

codes, please refer to 4.2.2 in this chapter.

Example: read consecutive 8 words from address 0614H~H61B (T20~T27) of PLC Slave ID#1.

PC→PLC

“ 01 03 06 14 00 08 04 80”

Sent message:

Field Name Example (Hex)

START

No data input ≥ 10 ms

Slave Address 01

Command code 03

Starting Address

Number of Points

CRC CHK Low 04

CRC CHK High 80

END

No data input ≥ 10 ms

PLC→PC

“ 01 03 10 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 72 98”

Feedback message:

Field Name Example (Hex)

START

No data input ≥ 10 ms

Slave Address 01

Command code 03

Bytes Count 10

Data Hi (T20) 00

Data Lo (T20) 01

Data Hi (T21) 00

Data Lo (T21) 02

Data Hi (T22) 00

Data Lo (T22) 03

Data Hi (T23) 00

Data Lo (T23) 04

Data Hi (T24) 00

4-8

1 2 ... 605 606 607 608 609 610 611 612 613 614 615 ... 701 702

Comments to this Manuals

No comments

Delta DVP-ES2 User Manual Page 610

Comments to this Manuals