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Ametek XHR 1000 Watt Series Manuel d'utilisateur Page 68

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Remote Operation
Remote Analog Programming of Output Voltage and Current Limit
68 Operating Manual for XHR Series Power Supply
Remote
Analog
Programming
Procedure
1. Turn the power supply OFF.
2. Using Table 4.1, set switches SW1-1, SW1-2, SW1-3, and SW1-4 according to
the selected programming sources. See Notes at the end of this procedure for
more information about switch settings.
3. Install any J2 connector jumpers as indicated in Table 4.1.
4. Connect the programming source(s) to the rear panel J2 connector as shown in
Figure 4.1, observing the correct polarity for voltage sources.
5. Set the programming sources to the desired levels and turn the power supply ON.
The REM LED turns on.
6. Adjust the external programming source to change the power supply’s output.
Notes:
• Switches SW-1 to SW-4 can be set to their defaults (all open) unless otherwise
specified in Table 4.1. See SW1 Programming Switch for default settings.
Switches SW1-5, SW1-6, SW1-7, and SW1-8 are not required for remote
programming. They can remain at the settings you have selected for your
application.
• Resetting switches SW1-3 or SW1-4, the programming scale selection switches,
may require that you recalibrate the programming circuit to maintain
programming accuracy. See Calibrating for Programming Accuracy.
• The control circuits have been designed to allow you to set output voltage and
current up to 5% over the model-rated maximum values. The power supply will
operate within these extended ranges, but we cannot guarantee full performance
to specification.
!
CAUTION
To maintain the isolation of the power supply output and prevent ground loops,
use an isolated (ungrounded) programming source when operating the power
supply via remote analog control at the J2 connector.
!
CAUTION
The remote programming inputs are internally referenced to the supply's
negative output. Do not connect control ground (rear panel J2 connector terminal
J2-3 or J2-6) to the supply’s positive output.
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