UIC680 Programmer’s Manual
UDN PM063-U Rev. 4
4-6
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<DC2> (12H) – RS232 pass through enable
COMMENT Enable RS232 data Pass Through (PT) function temporarily.
FORMAT
The command characters are followed by an ASCII ‘P’ to enable the
RS232 pass through function. It is only valid in RS232 model.
NOTE
Once the pass through mode is enabled, UIC680 passes all data
between COM1 and COM2 and do nothing. Power cycling (if the default
of PT is disable) or send the string “<DC2>P<DC2>a<DC2>s<DC2>S”
brings UIC680 back to normal operation. Before sending this command,
the user must assure the PT function is desired.
•
<CAN> (18H) – Clear Data Buffer
COMMENT Clear the card data buffer.
•
<7FH> – Warm Reset
COMMENT Abort all current actions and cause the device to execute all initialization
functions. The device will respond as it would for a "power up" cycle, but
always returning a “:” (3AH). This operation will take at least 3 seconds.
•
<09H> – Configuration Setting
COMMENT This command is used to set configuration in EEPROM.
FORMAT
The command (09H) is followed by the configuration data format to set
the configuration in EEPROM. Please see “UIC680 Configuration Guide”
for more details.
•
P (50H) – Arm to Read
COMMENT 1.Clear read data buffers.
2.Transmit command acknowledgement (“^” 5EH).
3.Wait for card approached.
4.Transmit read acknowledgement ("^") after card read.
After an "Arm to Read" command is received and acknowledged the only
commands that will be accepted for execution are: <ESC> (Abort), ”$”
(Status), LED control commands and Reset command.
In self-arm mode, it is not necessary to send this command, if sent it will
temporarily override self-arm mode.