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Inventory Command using S7-1200 with RF120C module and RF240R Reader

Created by: francoisMounous at: 8/25/2014 10:42 AM (4 Replies)

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8/25/2014 10:42 AM	Rate (0)
francoisMounous Posts: 3 Rating: (0)	Hello everybody ! I am currently working with the following configuration : -S7-1200 with CPU 1212C DC/DC/DC (firmware V4) -RF120C Module -RF240R Reader -MDS D100 transpondeurs I Use STEP7 V13 in order to program the RFID. I am using the AdvancedCmd bloc function with CMD_ID input "i" (Which is the Inventory command ID). I would like to know how will this command write in the IDENT_DATA memory. For Instance, I am wondering if [NUMBER OF TRANSPONDEURS detected + List of thier UIDs] or [List of UIDs] will be written in IDENT_DATA. I have already read some Datasheets and explanation manuals about Siemens RF200 systems but I haven't found the precise format of writting in the IDENT_DATA buffer. I would be very pleassed if you could help me with this problem by answering directly my question or giving me some inventory command program exemples or the U.R.L. of precise documentation. Best regards, François Mounous
francoisMounous Posts: 3 Rating: (0)
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8/26/2014 11:21 AM	Rate (0)
Owei Gold Expert Joined: 10/1/2013 Last visit: 5/8/2024 Posts: 605 Rating: (71)	Hi francoisMounous, what you are trying to do is simply not possible. The "inventory" command is for RF600 systems only. Your reader has to be able to handle multi tags. The RF200 system can only handle a single tag in the antenna field. Hope this helps, even though your question has not been answered. Regards!

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8/26/2014 3:10 PM	Rate (0)
francoisMounous Posts: 3 Rating: (0)	Thank you for your answer ! I read that the RFID reader and communication module have a "presence check" in single tag mode (which is the mode I use). The presence check allows me to know if a TAG is present in the anthena field. Do you know if there is a way for me to know the UID of the TAG in the anthena field ? I thank you by advance for your Answer. Best Regards, François
francoisMounous Posts: 3 Rating: (0)
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8/26/2014 3:21 PM	Rate (0)
francoisMounous Posts: 3 Rating: (0)	Ok I'm sorry for the stupid question.. There is no UID in singletag mode. Sorry again, Best regards François
francoisMounous Posts: 3 Rating: (0)
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8/26/2014 5:26 PM	Rate (0)
Owei Gold Expert Joined: 10/1/2013 Last visit: 5/8/2024 Posts: 605 Rating: (71)	FYI: There IS a UID on ISO cards (no matter if single tag or multi tag). Just look at the specs: http://support.automation.siemens.com/WW/view/en/17110465/td ...And there are no stupid questions!
	Last edited by: Owei at: 26.08.2014 17:30 Last edited by: Owei at: 26.08.2014 17:27
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