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Programming
Send Commands (Cont.)
?ER
Error Command
VER
Request firmware version
AXLink Channels
Whenever communications with a Master is established, the Master assumes the ANT-RDR is at the default
channel status. Default channel status assumed by the Master is all Channels are OFF. However, the ANT-RDR
may not be in this default state and needs to inform the Master by sending an update for each channel that is
ON. After the ANT-RDR reports its Device ID to tell the Master it is online, the ANT-RDR should begin to
update the Master with any channels that are currently on.
The Guardian Channels are defined below:
AXLink Channels
Channel Type
1-138
139
140-255
The Type column denotes who initiates the channel change. The Master directs the
ANT-RDR to change its state through channels with type CMD. The ANT-RDR
informs the Master of state changes through channels with type FDBK. Some
channels can be used for both CMD and FDBK.
30
The Error Command (ER), command is sent by the Master to request the num-
ber of invalid tags reads encountered by the ANT-RDR.
The ANT-RDR will respond with the number of invalid tags reads, then it will
clear the invalid read count.
Note: The ?ER command does not care why there are invalid tag reads; it just
keeps count until it gets to a certain number and then it is cleared.
• Response: ER <NUMERR>
Where:
• NUMERR: the number of invalid tags reads encountered by the ANT-RDR
since the last ?ER request.
Examples:
SEND_COMMAND '?ER
Request number of invalid tags reads
SEND_ COMMAND 'ER 5
Report 5 invalid tags reads since last ?ER request.
This command is a request for the firmware version.
In response, the device sends a command in the form of 'vX.XX' (e.g. v1.02) to
the Master.
Function Description
Not Used
CMD/FDBK Auto Poll
The ANT-RDR device will enable its auto poll feature when the channel
is ON and disable the auto poll feature when the channel is off.
No Used
Anterus RFID Solution
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