CHAPTER 4
OPERATING INSTRUCTIONS
Entire Contents Copyright 2004 by Adaptive Power Systems, Inc. (APSI) • All Rights Reserved • No reproduction without written authorization from APSI.
APS-3000P Series 4 - 3 OM-001-03000-00P-03.9
High/Low Output Voltage Range Setting
To switch between the high and low range, press the voltage range button (located
beneath the 0 – 150V and 0 – 300V LEDs. In the low range, the voltage can be set
between 0 – 150V. Available current capacity is higher, thus maintaining full power
capacity. In the high voltage range, 0 – 300V, the current capacity is one-half (see
Product Specifications, Chapter 2).
During TEST (Output ON), you can switch between high and low voltage modes.
Switching between high/low voltage modes will not affect the voltage setting.
However, there will be a brief interruption of the output (about 20 milliseconds), during
the change.
If your test is unable to tolerate a 20 millisecond drop-out, you should not exercise this
feature.
The system remembers your previously entered limit settings. Thus, the system will
not accept a switching command which would direct operation outside the range limits.
For example, if you specify a 200V lower voltage limit, the system will not allow you
to switch to the low voltage (150V max) range.
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