Chapter 7 Installation
Operator’s Maintenance
126 Operating and Programming Manual
Operator‘s Maintenance
The 5071A requires NO operator maintenance or calibration during
normal operation.
Operating the 5071A From External DC Power
In addition to ac-power capability, the 5071A can also be operated
from an external dc source with a voltage range of ± 22 to 42 VDC, 85
W. The dc-power source may be applied simultaneously, with the ac-
power source. DC-power requirements are listed in Chapter 6,
“Specifications,” on page 113. DC-power connections are made through
the rear panel “Ext DC Input” connector.
The 5071A runs from ac power when both ac and dc power are
available. The 5071A will not run from dc power unless the ac power
source fails or is disconnected.
In addition to ac-power capability, the 5071A can also be operated
from an external dc source with a voltage range of ± 40 to 58 VDC,
100 W maximum power. The dc-power source may be applied
simultaneously, with the ac-power source. DC-power requirements are
listed in Chapter 6, “Specifications,” on page 113. DC-power
connections are made through the rear panel “Ext DC Input”
connector.
The 5071A runs from ac power when both ac and dc power are
available. The 5071A will not run from ac power unless the dc power
source fails or is disconnected.
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