User Manual

HERMOS AG
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LFM 4x Reader Rev1.4
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Customer manual
LFM 4x Reader
RFID
WE GENERATE SOLUTIONS
10.4.4 G – Query parameter
With the command „G“ the values of all public parameters of the device can be queried.
Host  Device
CMD
Reader-ID
G
1 Byte
Device  Host
CMD
Reader-ID
Parameter No.
Parameter Value
g
1 Byte
1 Byte
2 Bytes
The reader sends an individual protocol packet for each available public parameter. After the
last parameter, the reader sends a last packet including the command ‚g‘ and the reader ID.
From the list of public parameters only the parameter 0 to 7 and parameter F will be send.
The values returned for the data item parameter value in the response are decimal values
(00-99). The values for the data item Parameter No. are hexadecimal values (0-F).