Omron V640 Series, Руководство пользователя, Страница: 38 / 120

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SECTION 4
Command/Response Format
CIDRW System
User’s Manual
SECTION 4
Reading from/Writing to ID Tags
Example: Reading Data from Pages 1 and 3 of the Amplifier Unit.
If you send a “Read“ command that specified 1 to 2 page to a 1-page only ID Tag, the Amplifier Unit will response 2nd
page data as all zero.
■ WRITE
Data is written in page units to the ID Tag. Any page(s) can be specified. It is possible to write to a max-
imum of 16 pages at one time.
Data Content of the ID Tag
Page 1 12h 34h 56h 78h 90h 12h 34h 56h
Page 2
Page 3 11h 22h 33h 44h 55h 66h 77h 88h
Page 4
Response
code
Page 1 Page 3 CR
0 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 0Dh
Command
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0
Binary notation
Command code Page designation CR
0 1 0 0 0 0 0 0 0 0 1 4 0Dh
Response
Command
Bit 7 - 0 7 - 3 2 1 0 7 6 - 1 0 7 6 - 2 1 0
Page Sys - Sys Sys - Sys 17 16 15 14 13 - 8 7 6 5 - 1 Sys Sys
Designation
0* 0* 0* 0* 0* 0/1 0/1 0/1 0/1 0/1 ••• 0/1 0/1 0/1 0/1 ••• 0/1 0* 0*
Value 00 00 to 07 00 to FF 00 to FC
* Always specify 0. If you specify 1 an error (Response code: 14) will occur.
Command
code
Page designation
(8 characters)
Write data
CR Page n
⋅ ⋅ ⋅
Page m (n<m)
Data 1
⋅ ⋅ ⋅
Data 8 Data 1
⋅ ⋅ ⋅
Data 8
0 2 0 0 0DH