Brooks Automation
48
278580 Revision A
7 Operation
LF80C ZeniD RFID Reader
7.2 Operation of the ASC-I1 Protocol
Product Manual
W - Write data
The command W starts the writing to a transponder.
If there is no tag in the writing range of the antenna, the reader returns an
error message (error 4 - no tag).
If 'write tag' fails, writing is repeated in the defined time frame (
Î
Parameter 3 (0x03);
Î
Parameter 4 (0x04). If it fails again, the reader
sends an error message 'no tag(4)' to the terminal.
If the sensor check is activated, the status of a floating contact connected
to the external input is checked before a reading process (writing process)
is triggered. If it is not connected, the error message "NOTAG" is sent;
otherwise the write process is started.
Host
→
Reader
CMD
Reader ID
Page
Data
W
1 byte
2 bytes
16 bytes
Reader
→
Host
CMD
Reader ID
w
1 byte
