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10.4.10 H – Heartbeat
The command „H“ sends a heartbeat request to the reader.
The reader responds with its serial number and a response code.
1 Byte - also Reader ID F allowed
The heartbeat function can be performed for all 4 antenna ports (1-4).
If another reader is operated as a customer variant on the RS232 port, a heartbeat can be sent
to the external reader via reader ID „5“.
The response code is part of the protocol but is not used for this device. The response code is
always ‚0000‘.
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