The GBA ST1C is an integrated bill validator and stacker designed for amusement and vending applications, though it is also suitable for parking and internet kiosks. It is manufactured to ISO 9001 standards and is CE, UL, C-Tick, and ROHS compliant.
Function Description:
The GBA ST1C's primary function is to validate and stack paper currency. It incorporates "Sense Technology" for bill discrimination and can accept up to 32 different bill denominations with 4-way insertion. The unit can be configured for either up or down entry stacking. A single cassette option provides a bill capacity of 300 notes. For enhanced security, tamper-evident, lockable cassette options are available. The device also features integrated optical anti-string protection to prevent fraudulent activity. An optional bar code reading function allows it to detect and read barcodes on printed coupons, particularly those printed thermally with green light. The content of the barcode can be read back as a text string using ccTalk and GBA BSCP protocols. The validator supports multiple interfaces, including Pulse, Parallel, ccTalk® (plain & encrypted), bi-directional serial (“RS232”), NAMA MDB, SSP, and JVI/VCCS.
Important Technical Specifications:
- Bill Insertion: Up to 32 bill denominations with 4-way insertion.
- Bill Dimensions: Accepts bills from 62 to 70mm wide and 120 to 160mm long.
- Bill Acceptance Rate: Greater than 95%.
- Cycle Time for Validation and Stack: Typically less than 3 seconds.
- Power Supply: 12Vdc +/-10% regulated for the 20-pin connector. An optional MDB 6-pin connector and power regulator support 20 to 50 Volts DC.
- Power Consumption:
- Quiescent: 200mA
- Validating: 800mA
- Stacking: 700mA
- Stalled: 1400mA
- Environmental Range:
- Operating Temperature: 0° to 55°C
- Operating Humidity: Up to 90% R.H., non-condensing
- Storage Temperature: -10° to 65°C
- Open Collector Outputs (20-pin connector):
- Maximum Open Voltage: 40V
- Maximum Sink Current: 50mA @ 12VDC
- Maximum Output Low Voltage: 0.4VDC
- Minimum Output High Voltage: 2.4VDC
- Digital Inputs (20-pin connector):
- Input Low Level Voltage: 0-1V
- Input High Level Voltage: 3-12V (typically 3-5V)
- Input Pull-up to 5V: 33K Ω
- Optional MDB 6-pin Connector (opto-isolated):
- Maximum Output Low Voltage: 1V @ 20mA
- Maximum Input Idle Level Current: 0.5mA
- Minimum Input Active Level Current: 5mA
- Pull-up Resistor on TX: None
- Limiting Resistor on RX: Internal, 560Ω
- USB Port: USB 2.0 full-speed host or device, fitted with a mini-AB socket.
Usage Features:
The GBA ST1C offers several user-friendly features and configuration options:
- Illuminated Bill Entry Bezel: Guides users during bill insertion. The illuminated note guide can flash different patterns to indicate validator states (e.g., in service, handling a note, out of service).
- On-board Push Button: Allows access to programming modes for note enable (1 press), note disable (2 presses), and primary calibration/configuration (3 presses). A long press (over 2 seconds) cancels programming mode.
- PC-Based GBA Tools (GBA Talk/Service): Software for configuration, calibration, and diagnostics. Requires a USB/serial dongle or diagnostic harness.
- USB Mass Storage Device Reprogramming: An optional USB interface allows reprogramming the unit from a USB memory stick. Firmware, dataset, and configuration files can be stored in the root directory of the memory device.
- Individual Note Enable/Disable: Bills can be individually enabled or disabled either via the on-board push button or PC software.
- Automatic Sensor Calibration: Ensures accurate bill validation.
- On-board Tri-colour Diagnostic LED: Provides visual feedback on the validator's status (e.g., solid green for operational, flashing red for soft fault, fast flashing orange for calibration mode). It also displays specific error codes for calibration failures and note rejections.
- Low Power Mode: Reduces quiescent current to 10 μA by keeping the unit in hibernation until a note is presented. The illuminated note guide "blinks" briefly every few seconds to indicate service availability. This mode is primarily intended for Pulse Mode or Parallel XT Mode, but can also be controlled via ccTalk serial protocol.
- Escrow Time-out Period: For parallel interfaces, the escrow time-out can be set in 1-second intervals between 1 and 255 seconds (standard is 26 seconds).
- Note Handling at Power Up: By default, if a note is in the path at power-up, it is returned to the user. The validator can be configured to stack the note instead, with specific messages sent to the host depending on the interface.
Maintenance Features:
- Easy Access to Note Path: The Bottom Sensor Assembly can be easily slid out of the Channel Assembly by lifting a purple Access Latch, allowing for cleaning and servicing.
- Cleaning Procedure:
- Switch off power.
- Remove the cassette.
- Slide out the Bottom Sensor Assembly.
- Remove large debris from the note path.
- Clean all sensor windows and the rest of the note path (including sprung rollers) using a cotton swab or lint-free cloth wetted with a cleaning solution (up to 50% Iso-Propyl Alcohol). Avoid solvent-based cleaning agents.
- Clean visible parts of belts.
- Dry cleaned areas if needed.
- Re-assemble the Bottom Sensor Assembly and cassette.
- Switch power back on.
- Clearing a Note Jam:
- Switch off power.
- Remove the cassette.
- Slide out the Bottom Sensor Assembly.
- Clear jammed notes from the note path.
- Re-assemble and switch power back on.
- Calibration: Re-calibration is recommended periodically for preventative maintenance and after any software configuration changes. This involves inserting specific white and black calibration papers.
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