28000 System Installation
Page 62
28000 Signal Conditioning Installation Instructions Precision Filters, Inc.
Rev. B
2.11. 3 28002 External Power Supply
The PF-1U-ACDC2 external switching power supply powers 28002-M5 2-slot mainframes.
The power supply features a thermostatically controlled cooling fan. To ensure proper cooling,
leave adequate space for air movement around the top and rear ventilation louvers.
WARNING
For safety concerns, operate the power supply sitting at on its base. Do
not turn the power supply over during installation or normal operation.
• Mainframe:
28002-M5 2-slot mainframe
• Weight:
2.5 lbs. (1.134 kg)
• Input Voltage, Frequency:
110 to 240 VAC, 47–63 Hz
• Current:
3.2 amp, 100–120 VAC
2 amp, 220–240 VAC
CAUTION
Do not force the power connect into the power connector, ensure the
connector is in the correct orientation. See Figure 41.
Ground Section
Switch
Signal Ground
Connector
Power In
Connector
Figure 41 28002-M5 Power In Connector
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