Siemens SIMATIC RF1070R Manual page 12

2 Engineering of the STEP 7 Program
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Reading out UID with SIMATIC RF1070R
Article ID: 109780625, V1.0,
FB_STATE_READ_UID
FB_STATE_READ_UID_WAIT
FB_STATE_DISABLING
FB_STATE_RESET_LED
FB_STATE_RESET_LED_WAIT
09/2020
Request the serial number (UID) of the
card in the reader's antenna field:
•
Call of the point-to-point instruction
"Send_P2P".
•
The request telegram "vhl_get_snr"
is sent to the reader.
•
Waiting for response telegram.
•
Call of the point-to-point instruction
"Receive_P2P".
•
Copy the UID of the card from the
response telegram into the tag
"RFData.rfData.uid".
Back to state 5.
Disable the function block "ReadUID"
Set the SIMATIC RF1070C reader LED
to red:
•
Call of the point-to-point instruction
"Send_P2P".
•
The request telegram
"syscmd_set_port" is sent to the
reader.
•
Waiting for response telegram.
•
Call of the point-to-point instruction
"Receive_P2P".
•
Evaluation of the response telegram:
•
The LED of the reader is red.
Back to state 0.
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