PSW Series User Manual
128
3. Press the Output key. The current
can now be controlled with the
External resistance.
Ensure the resistor(s) and cables used exceed the
isolation voltage of the power supply. For example:
insulation tubes with a withstand voltage higher
than the power supply can be used.
When choosing an external resistor ensure the
resistor can withstand a high degree of heat.
CV and CC Slew Rate Priority are disabled for V-I
mode (F-03) when using external resistance
control. See the normal function settings on page
102.
External Control of Output
The output can be turned on or off externally
using a switch. The analog control connector
can be set to turn the output on from a high or
low signal. The voltage across pins 2 and 24 are
internally pulled to +5V ±5% @ 500uA with
10kΩ pull-up resistor. A short (closed switch)
produces a low signal.
When set to High = On, the output is turned on
when the pins 2-24 are open.
When Low = On, the output is turned on when
pins 2-24 are shorted.
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