ACR128 Dual Interface Smart Card Reader
To read the existing FWI, Polling Timeout and Frame Size of the activated PICC, issue the
following command:
ACR128 Escape Command
Change the FWI & FRAME SIZE
1F
00
Response
Response
Data E1 00 00 00 03 FWI Polling
Timeout
Frame
Size
NOTE:
Only the activated PICC will be affected by this command. Once the PICC is removed or a new PICC
is detected, the FWI and Frame size will be adjusted to conform to the new PICC requirement but the Polling
Timeout will not be changed.
5.6 Antenna Field ON/OFF
The antenna field used to detect the PICC within range can be turned on or off programmatically at
any given time.
To turn on the antenna field of the device, issue the following command:
ACR128 Escape Command
Turn on Antenna
25
01
01
To turn off the antenna field of the device, issue the following command:
ACR128 Escape Command
Turn off Antenna
25
01
00
To read the existing status of the built-in antenna, issue the following command:
ACR128 Escape Command
Read Antenna Status
25
00
Response
Response
Data
E1 00 00 00 01
Status
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ACR128 API
Version 1.7 May 2008
