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User Manual version 2.1
OPEN (660) 120/140/150
9-146
G: Power Supply
The OPEN (660) 120/140/150 can either accommodate
an AC power supply or a DC power supply.
G-1: AC POWER SUPPLY
The AC power supply used in the OPEN (660) system is a
100 watts forced air cooling power supply. It is a dual
output switching power supply specially designed for the
OPEN (660) system.
G-1-1: INPUT SPECIFICATIONS
² Universal AC input voltage
The range of input voltage is from 85VAC to 264VAC.
² Input frequency
The range of input frequency is between 47Hz to
63Hz.
² Input current
The maximum input current is 3A at 115 VAC or 1.5A
at 230 VAC.
² Inrush current
The inrush current is less than 30A at 115 VAC or 60A
at 230 VAC input, cold start at 25
o
C.
G-1-2: OUTPUT SPECIFICATIONS
² Load range
Output Min. load Rated load Max. load Accuracy range
+5V 2A 12A 16A +5.05V to +5.15V
+12V 0A 1.0A 1.5A +11.25V to +12.75V
a. At the factory, the +5V output is set between
5.00V to 5.10V at 60% rated load, and the +12V
output is checked to be within the accuracy range.
b. The adjustable range for the +5V output is +/-
5%.
Note: +12V output voltage will track the adjustment.