Dispenser Functional Description
Dispense Operation
1-22
NCR 5635 Spray Currency Dispenser Service Manual
NCR - CONFIDENTIAL AND PROPRIETARY
Use pursuant to Company Instructions
Dispense Operation
1
The following description is of a successful dispense operation. It
explains the interaction between the firmware and the mechanical
and electrical components of the dispenser. A normal dispense
operation consists of picking, transporting and delivering
individual bills into a customer access tray.
When the dispenser receives a dispense command, the firmware
first checks all the sensors and then turns on the dispenser motor.
While the motor comes up to speed, the firmware checks the
location of the first cassette to dispense from.
The normal dispense operation can be broken down into the
following sequence of operations:
1
The PC core issues a dispense command specifying the number
of bills to be picked from each cassette. The firmware checks all
transport sensors are not blocked and the divert gate is in the
reject position. If not, the firmware terminates the operation
with an error indication.
2
The firmware checks that the first specified cassette is not
empty. If the cassette is empty, the firmware searches for
another cassette of the same type (search order is from the top
cassette downwards). If another cassette of the same type is
found and is not empty, it is used.
3
The transport motor is switched on and the pick solenoid of the
selected cassette is energized to provide vacuum to the pick
mechanism suction cups.
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