ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
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<strong>ACG</strong> <strong>HF</strong> <strong>Multi</strong> <strong>ISO</strong> <strong>RFID</strong> <strong>Reader</strong> V1.0<br />
12.4.3.5.1 Time slotted answer<br />
In party line mode, more than one reader can be used simultaneously. The time<br />
slotted answer allows separating in time the answers from all connected devices. The<br />
station ID is used to determine the correct time slot.<br />
The reader supports up to 254 unique time slots. The following formula calculates the<br />
duration of one time slot (only one baud rate is supported per party line):<br />
T0[<br />
s]<br />
10<br />
*6<br />
Baudrate<br />
Figure 12-20: Time slot formula<br />
The following figure shows the timing diagram of time slotted answers.<br />
Timeslot 0 1 2 3 4 5 252 253 254<br />
T 0 T 1 T 2 T 3 T 4 T 5 T 252 T 253 T 254<br />
HOST<br />
'g'<br />
<strong>Reader</strong> (01)<br />
01<br />
<strong>Reader</strong> (03)<br />
03<br />
<strong>Reader</strong> (04)<br />
04<br />
<strong>Reader</strong> (254)<br />
254<br />
Figure 12-21: Timing diagram of time slotted answers<br />
<strong>ACG</strong> Identification Technologies GmbH 65
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