Siemens SIMATIC RF1070R - Page 12

2 Engineering of the STEP 7 Program
Reading out UID with SIMATIC RF1070R
Article ID: 109780625, V1.0, 09/2020
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© Siemens AG
2020 All rights reserved
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FB_STATE_READ_UID
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.
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FB_STATE_READ_UID_WAIT
• 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.
DISABLING
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FB_STATE_DISABLING
Disable the function block "ReadUID"
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FB_STATE_RESET_LED
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.
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FB_STATE_RESET_LED_WAIT
• 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.