Innovative Technology NV11, User Manual

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NV11 Manual Set – Section 1 11
Copyright © Innovative Technology Ltd 2012 GA963-2
1.8 Technical Specifications
The full technical specifications for the NV11 validator can be found in Section 6,
Appendix B of this manual set. A brief summary is given here:
DC Voltage Minimum Nominal Maximum
Absolute limits 10.8 V 12 V 13.2 V
Supply ripple voltage 0 V 0V 0.25 V @ 100 Hz
Supply Current
Standby 350 mA
Running 3 A
Peak (motor stall) 3.5 A
Interface Logic Levels Logic Low Logic High
Inputs 0 V to +0.5 V +3.7 V to +12 V
Outputs (2.2 kΩ pull-up) +0.6 V Pull-up voltage of host
interface
Maximum current sink 50 mA per output
WARNING!
Use suitable power supply
Ensure that the supply voltage to the NV11 is not
lower than 10.8 V and that the power supply can
provide sufficient current to avoid incorrect
operation and excessive note rejects.
We recommend that your power supply is capable of supplying 12V DC at 4 A.

For 12V operation, use TDK Lambda model SWS50-12. This power supply is
available from a variety of suppliers including Farnell (stock code 1184645) and
RS (stock code 466-5869).