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6.4.
Remote Voltage Programming of Output Voltage and Current
To maintain the power supply isolation and to prevent ground loops, use an
isolated programming source when operating the power supply via remote
Perform the following procedure to set the power supply to Remote Voltage programming:
a) Turn the power supply AC On/Off switch to Off.
b) Set setup switch SW1-1 to its UP position for output voltage external programming and
SW1-2 to its UP position for output current.
c) Set SW1, position 3 to select the programming voltage range according to Table 6-3.
d) Ensure that SW1, positions 7 and 8 are at their DOWN (default) position.
e) Connect a wire jumper between J1-8 and J1-12 (refer to Table 4-4).
f) Connect the programming source to the mating plug of J1 as shown in Fig.6-1.
Observe correct polarity for the voltage source.
g) Set the programming sources to the desired levels and turn the power supply ON.
Adjust the programming sources to change the power supply output.
Notes:
SW1, positions, 4, 5, 6 and 9 are not required for remote programming. Their
settings can be determined according the application.
The control circuits allow the user to set the Output Voltage and Output Current up
to 5% over the model-rated maximum value. The power supply will operate within
the extended range, however it is not recommended to operate the power supply
over its voltage and current rating, and performance is not guaranteed.
SW1-3 setting
DOWN
analog programming at the J1 connector
Output Voltage programming
VPGM (J1-9)
UP
Table 6-3: SW1-3 Setting and Programming Range
J1 connector, rear panel view
CURRENT LIMIT
PROGRAMMING
+
12
10
13
25
23
22
Fig. 6-1: Remote Voltage Programming Connection
83503001 Rev G
CAUTION
0-10V
0-5V
OUTPUT VOLTAGE
PROGRAMMING
+
8
9
69
Output Current programming
IPGM (J1-10)
0-10V
0-5V
1
14
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