Innovative Technology NV9 USB - Technical Specifications

NV9 USB Manual Set – Section 2 10
Copyright © Innovative Technology Ltd 2012 GA00550-2
2.3 Technical Specifications
The full technical specifications for the NV9 USB 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
Absolute limits (when fitted
with IF5 interface)
18 V
---
48 V DC or 34 V
AC
Supply ripple voltage
0 V
0V
0.25 V @ 100 Hz
Supply Current
Standby
200 mA
Running
1 A
Peak (motor stall)
1.5 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 NV9 USB 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 3 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).