CHAPTER 4 ALIEN READER PROTOCOL
READER INTERFACE GUIDE
DOC. CONTROL # 8101938-000 REV 05
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HeartbeatPort Examples
Command
Response
>get HeartbeatPort
HeartbeatPort = 3004
Command
Response
>set HeartbeatPort=10002
HeartbeatPort = 10002
HeartbeatTime
9800 | 9780 | 8780 | 9640 | 9774
The reader can be configured to periodically send out a heartbeat message to
the network. This heartbeat takes the form of a single UDP packet (Universal
Datagram Packet) broadcast out to the entire subnet or a particular address.
The time interval between heartbeats can be assigned and retrieved using this
command.
All intervals are specified in seconds.
A setting of zero (seconds) will suspend the output of any further
heartbeats.
The default setting for this command is 30 seconds.
Changes made with this command take effect immediately.
HeartbeatTime Examples
Command
Response
>get HeartbeatTime
HeartbeatTime = 30
Command
Response
>set HeartbeatTime=60
HeartbeatTime = 60
HeartbeatAddress
9800 | 9780 | 8780 | 9640 | 9774
The reader can be configured to periodically send out a heartbeat message to
the network. This heartbeat takes the form of a single UDP packet (Universal
Datagram Packet) broadcast out to the entire subnet or a particular address.
The address of the host to receive these packets is defined by the
HeartbeatAddress command.
The default value 255.255.255.255 is a special "multicast" address,
which enables all devices on the subnet to receive the packets.
Changes made with this command take effect immediately.
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