Read Data - Omron V680S-HMD64-PNT User Manual

READ DATA

This command reads data from the RF Tag in the communications field.
 Command Area
Signal/data
CmdCode/Command Code
CmdParam1/Command Parameter 1
CmdParam2/Command Parameter 2
 Response Area
Signal/data
ErrCode/Error Code
RespInfo1/Response Information 1
RespInfo2/Response Information 2
RespData/Response Data

Read Data

 Execution Example
Reading Four Words of Data Starting from Word Address 1234 Hex in the RF Tag
Command Area
Memory offset Data name Byte +0
+2 CmdCode 0
+4 CmdParam1 1
+6 CmdParam2 0
RF Tag Memory
User address bit15-12 bit11-8 bit7-4
1234 1 1
hex
1235 2 2
hex
1236 3 3
hex
1235 4 4
hex
Data type
WORD
WORD
WORD
Data type
WORD
WORD
WORD
ARRAY[]
OF BYTE
Byte +1
0 0 2
2 3 4
0 0 4
bit3-0
1 1
2 2
3 3
4 4
Host Communications Specifications
Size
2 bytes 0002 hex
First word address of the data read from the RF Tag
2 bytes
0000 to FFFF hex
Data size to read from the RF Tag (in words)
0000 to 0200 hex
2 bytes
* The maximum size that you can specify depends on
the cyclic data exchange settings.
Size
2 bytes Error code
2 bytes Device information
Communications diagnostics result
2 bytes
1,000 bytes Data read from the RF Tag
max.
Response Area
Memory offset Data name
+2 ErrCode
+4 RespInfo1
+6 RespInfo2
+8 RespData[0-1]
+10 RespData[2-3]
+12 RespData[4-5]
+14 RespData[6-7]
Section 7
Function
Function
Byte +0 Byte +1
0 0 0 0
0 0 0 0
0 0 0 0
1 1 1 1
2 2 2 2
3 3 3 3
4 4 4 4
RFID System
User's Manual
(PROFINET)
159