American Magnetics 12200PS DC Power Supply (CE-Marked) - Manual (Page 49)

REMOTE OPERATION OPERATING MANUAL
4-4 Release 1.0 (98/07)
4.3 Remote Analog Programming of Output Voltage and Current
Limit
Remote analog programming allows control of the power supply's output voltage and/or current limit to shift
from local operation at the front panel voltage and current controls to external analog sources. As you vary the
external programming source, the power supply's output varies proportionally over its output range.
Using remote analog programming requires that you reset switch SW1 and make connections to the J2 connector
on the power supply's rear panel. See Section 4.2 Switches and Connector Used for Remote Programming and
Monitoring.
4.3.1 Remote Programming Options
See Table 4.3-1 for a summary of the options available to you for programming output voltage and current limit
using an analog source.
Table 4.3-1 Remote Programming Options
Control of ... Programming Scales *
Output Voltage and/or 0-5V and 0-10V voltage sources
Current Limit 0-5k
Ω
and 0-10k
Ω
resistances
* These scales may be used in any combination.
Refer also to Section 4.5 for information about the Isolated Programming (ISOL) Interface option for 4-channel
control of your unit.
4.3.2 Remote Analog Programming Procedure
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 (J2 terminals 3, 5, or 7) to
the supply's positive output.
1. Shut the power supply OFF.
2. Set switches SW1-1, SW1-2, SW1-3, and SW1-4 according to the programming sources you will be
using, as indicated in Table 4.3-2. See Notes at the end of this procedure for more information about
switch settings.
3. Install any J2 connector jumpers as indicated in Table 4.3-2.
4. Connect the programming source(s) to the mating J2 connector as shown in Figure 4.3-1, observing the
correct polarity for voltage sources. Ensure that the mating connector is plugged securely into the rear
panel connector.
5. Set the programming sources to the desired levels and turn the power supply ON. The REM LED turns
on. Adjust the external programming source to change the power supply's output.