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8
Power specifications
Voltage and current
Power dissipation
Power connector
The external Viper 200 drives (STU62001LW and STU62001WD) come with a built-
in 90-260VAC (47-63 Hz) automatic switching power supply.
Maximum voltage and power specifications for the internal Viper 200 drives
(STU42001LW and STU62001WD) are listed in the tables below.
DC Voltage Tolerance
Non-operating max voltage
Max Operating current
Continuous:
Peak:
Standby current (max)
Ripple (peak-to-peak)
Max Standby Power
Max Continuous Operating Power
Max Peak Operating Power
* RMS parameters measured at the power connector using a true RMS digital meter.
The following table lists pin assignments of the power connector for the internal Viper
drive.
Pin
Assignment
1
+12 VDC power
2
+12 VDC return
3
+5 VDC return
4
+5 VDC power
Viper 200 LTO Product Manual
+12 VDC
+ or – 10%
14 Volts peak
1.0 amps RMS
3.0 amps (1 sec max)
0.5 amps RMS
≤ 100 mV
14 watts RMS*
30 watts RMS*
48.5 watts (1 sec max)
+5 VDC
+ or – 5 %
7 Volts peak
3.5 amps max RMS*
NA
2.0 amps RMS*
≤ 100 mV
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