Instructions

QU-CD-720M/820M Manual Ver3.19
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.2. RS232 Control Interface (CN7)
Pins Signal Definiens
GND
Signal Description
Ground,0V
1
2
3
RXD
TXD
RS232 serial receive pin
RS232 serial transmit pin
3
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.3 Operating instructions
.3.1 Reset and Callback the card
When the card dispenser reset, buzzer sounds "Doo, Doo" . If a card is jamned, the card will
be automatically call back to the recycling stacker, then the card dispenser drived out a card
into the ready status(It is called Pre-dispense operate). The following case will cause the card
dispenser to reset:
a) The card dispenser is power on;
b) The card dispenser received Reset command;
c) The card dispenser is error status or jammed status over 100 seconds.
The callback function is good to prevent lost and reduce losses of the property.
If there is a card at the Reading-place or Taken-place, In the following cases, the card dispenser
can callback the card to the recycling stacker.
a) The card dispenser is reset;
b) The card dispenser received the callback command.
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.3.2 The Fault and solutions
The fault occur in the following situation:
①
②
When Pre-dispense fail (buzzer ring "Doo-, Doo-, Doo-" for three short acoustic);
When cards jammed (buzzer ring "Doo-, Doo-"for two short acoustic);
If pre-dispense operate is failed, and the failed status was kept over 100 seconds,the card
dispenser will be reseted; If a card is jammed, when the card was taken away, the jammed
signal will be disappear;
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.3.3 Dispense mode setting
The card dispenser has two dispense modes: Pre-reading dispense and direct dispense. It will
be set by the DIP1 of the DIP switch CN9.