Technical information
RFU6xx FB for
GX Works 2 (PNDP)
Page 14
Parameter
Declaration
Data
type
Description
ReadTag_
Antenna
Input /
Output
Word
[Signed]
Antenna selection for the current read re-
quest. Only one antenna can be selected
per request.
A1 = Antenna 1 (internal/external, depend-
ing on device type)
A2 = Antenna 2 (external)
A3 = Antenna 3 (external)
A4 = Antenna 4 (external)
Value
A4
A3
A2 A1
1
X
2
X
4
X
8
X
In the Single-Tag mode, the antenna is
selected automatically (antenna with the
best signal strength).
Valid value range:
[1…15]
ReadTag_
DataLength
Output
Word
[Signed]
Valid length of read content in words
(16Bit). Required in order to define which
content of the array "ReadTag_Data" is
valid.
ReadTag_
Data
Output
Word
[Signed]
(0..31)
Tag content.
Table 2: Read tag parameters
Please note!
If you want to read out more than 32Words (64Byte) tag data, please execute
this function several times with different offsets (ReadTag_StartWord).
