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7 Ethernet/IP Communications
Signal/data
Cnt/Update Counter
RespData/Response Data
Read data
*1. The size of 1,024 bytes can be read only during Output_113.
Operation Example
Reading Four Words of Data Starting from Word Address 3456 Hex in the RF Tag
Command Area
Memory offset
Data name
bit15-12
+1
CmdCode
+2
CmdParam1
+3
CmdParam2
+4
Reserved
+5
Cnt Response
RF Tag Memory
User address
bit15-12
bit11-8
3456
1
1
Hex
3457
2
2
Hex
3458
3
3
Hex
3459
4
4
Hex
7 - 16
Data type
WORD
ARRAY[]
OF WORD
bit11-8
bit7-4
bit3-0
0
0
0
3
3
4
5
6
0
0
0
4
0
0
0
0
0
0
0
0
bit7-4
bit3-0
1
1
2
2
3
3
4
4
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Size
2 bytes
0000 to FFFF hex
The value is counted up due to a change in
the response area.
For details, refer to Update Counter/Update
Counter Response on page 7-10.
Max 1,024
Data (in words) read from the RF Tag
*1
bytes
Response
Range that can be
area
Input_110
0001 hex to 0020 hex 32
Input_111
0001 hex to 0080 hex 128
Input_112
0001 hex to 0100 hex 256
Input_113
0001 hex to 0200 hex 512
Response Area
Memory offset
Data name
bit15-12
+1
ErrCode
+2
RespInfo1
+3
RespInfo2
+4
RespInfo3
+5
Cnt
+6
RespData[0]
+7
RespData[1]
+8
RespData[2]
+9
RespData[3]
Function
Maximum
specified
data size
bit11-8
bit7-4
bit3-0
0
0
0
0
0
0
0
0
0
0
0
0
F
F
E
5
0
0
0
1
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
TM
) (Z402)
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