GBA ST2 - Electrical Interface Specifications; Power Supply and Output Specifications

GBA Global Bill Acceptors GBA ST2
Operations Manual
Page 15 of 25
Astrosys International Ltd
January 2009
GBA ST2 Op Manual V1.01
7.0 ELECTRICAL INTERFACE SPECIFICATION
7.1 Power
7.1.1 Power Supply
Voltage: 12VDC +/- 10% Regulated
3
Signal Input High Voltage: 5.5VDC
Signal Minimum Voltage: 0V
7.1.2 Power Consumption
Quiescent: 200mA
Validating: 800mA
Stalled: 1.4A
Maximum Output Low Voltage: 0.4VDC
Minimum Output High Voltage: 2.4VDC
Maximum output sink current: 50mA @ 12VDC
(Open collector)
Input pull up to 5V: 21K ohm
7.2 Outputs
Open Collector outputs;
Maximum Open Voltage 40V
Maximum Sink Current 50mA
I/O Drivers
Signal interfaces are buffered by use of Toshiba TD6283 or equivalent.
The outputs are open collector.
Inputs:
High > 3.5 V
Low < 0.3 V
3
For Power packs, 12vDC connection should be Tip Negative.