SECTION 5
RF Tag Memory E
rror Correction
SECTION 5
ID Sensor Unit Functions
115
RFID System
User's Manual
2. Data is written to addresses 0010 to 0015 (hex), then an RF Tag memory check code and a error
correction code (5 bytes) are written to addresses 0016 to 001A (hex).
3. Send the Read with Error Correction command.
• First word allocated to Special I/O Unit in CIO Area: CIO 20000 + 10 x 0 = CIO 20000
If the Data Is Normal
The Normal End Flag in Unit Status (CIO n+7,
bit 01) turns ON.
If a 1-bit Memory Error Is Corrected
The Error End Flag in Unit Status (CIO n+7, bit
02) is turned ON, and the Error Correction Flag
(CIO n+8, bit 03) in the Results Information is
turned ON as a warning.
If a Memory Error of 2 Bits or More Is Detected
The Error End Flag in Unit Status (CIO n+7, bit
02) is turned ON, and the Status Flag (CIO
n+8, bit 04) in the Results Information is turned
ON.
Address
(hex)
0010
31
32
33
34
35
36
FD
11
00
0C
3C
Memory check code (
u
pper digits)
Memory check code (lo
w
er digits)
Error correction code (
u
pper digits)
Error correction code (middle digits)
Error correction code (lo
w
er digits)
0011
0012
0013
0014
0015
0016
0017
001
8
0019
001A
memory check code
calc
u
lation area
W
rite data
)
(
Bit 7
Bit 0
RF Tag
D1100
D1101
D1102
32
34
36
31
33
35
:
W
rite data storage order
Bit 15
Bit 00
㩷
Send
W
rite ID Tag
Memory Error Correction
CS-series CPU Unit Memory
Word
address
Contents
15 14 13
Command code
Bank specification *
(always 0)
Data storage location
(upper 2 digits)
Data storage
area
First address to process
Number of bytes to process
Data storage location (lower 4 digits)
---
Communications
specification
Data order
12 11 10
9
8
7
6
5
4
3
2
1
0
0B
0
0
0 0
1 0
0 0
0 6
1 1
0 0
0
0
0 0
0 0
0 0
Meaning
CIO 2001
CIO 2002
CIO 2003
CIO 2004
CIO 2005
CIO 2006
*: Always 0 when DM Area is specified, --- : Ignored.
Содержание CJ1W-V680C11
Страница 62: ...60 SECTION 3 Connections and Wiring RFID System User s Manual SECTION 3 CJ series ID Sensor Units MEMO...
Страница 78: ...76 SECTION 4 I O Data Allocations RFID System User s Manual SECTION 4 Data Exchange with the CPU Unit MEMO...
Страница 118: ...116 SECTION 5 RF Tag Memory Error Correction RFID System User s Manual SECTION 5 ID Sensor Unit Functions MEMO...
Страница 158: ...156 SECTION 7 Troubleshooting RFID System User s Manual SECTION 7 Troubleshooting Alarms and Errors MEMO...
Страница 213: ......