Omron V640-HAM11-V3 User Manual page 90

SECTION 4
Reading from/Writing to ID Tags
■ READ
Reads any pages of data from the ID Tag. The maximum number of pages that can be read at one time
is 16.
Command
SOH Node No.
01h
Bit 7 -
Page Sys -
0* 0*
Designation
Value 00
* Always specify 0. If you specify 1 an error (Response code: 14) will occur.
Parameter Description
Parameter
Page designation
ID Tag Memory Maps
The response code (when normal: 00) and the data in the specified pages are returned in ascending order of
page numbers.
Response
Response
SOH Node No.
01h 0
Example: Reading the data of pages 1 and 3 of node No.1
Data Content of the ID Tag
Page 1
Page 2
Page 3
Page 4
Command
SOH Node No.
01h 0 1
Binary notation
0 0 0 0 0 0
CIDRW System
88
User's Manual
Command code
0 1 0 0
0 7 - 3 2 1
Sys Sys - Sys 17 16
0* 0* 0* 0/1 0/1
00 to 07
Pages are specified by setting the bits corresponding to pages that are to be read to 1 and setting
the other bits to 0, then converting the result to a hexadecimal character string.
Refer to page 151.
Page n
code
⋅ ⋅ ⋅
Data 1
0
12h 34h 56h 78h
11h 22h 33h 44h
Command code
0 1 0 0 0
0 0 0 0 0 0 0 0
Page designation (8 characters)
0 7 6 - 1
15 14 13 - 8
0/1 0/1 0/1 ••• 0/1
00 to FF
Description
Read data
⋅ ⋅ ⋅
Data 8 Data 1
90h 12h 34h 56h
55h 66h 77h 88h
Page designation
0 0 0 0
0 0 0 0 0 0 0 0
FCS
0 7 6 - 2 1
7 6 5 - 1 Sys Sys
0/1 0/1 0/1 ••• 0/1 0*
00 to FC
Page m (n<m) FCS
⋅ ⋅ ⋅
Data 8
FCS
0 1 4 0 5
0 0 0 0 0 1 0 1
CR
0Dh
0
0*
CR
0Dh
CR
0Dh
0 0