Technical information
RFU6xx FB for
GX Works 2 (PNDP)
Page 28
6.1 Read tag
First, it is necessary to select the transponder which should be used. If the
bit "Mode”=
FALSE", then the system will communicate with the transponder that is currently located in
the reading field of the RFID device. Please note, that the FB require a special device con-
figuration (see chapter 3.5.1).
Figure 19: Selection of the communication mode
To execute a read-job, it is necessary to define what content is to be read out of the tran-
sponder.
Bank:
3 (user memory)
Tag range:
10 Words from the word address 0
Number of retries: 0x32 (3 changes of channel with 2 retries per channel)
Antenna selection: Automatically assigned (Single-Tag mode).
Figure 20: Read tag parameters
The reading function (ReadTag)
is executed as soon as the bit “Req” is triggered with a rising
edge.
Figure 21: Starting the block function (Read tag)