3.5 Wiring Precautions
WARNING
• Be sure to turn the GS200 output off before you connect the device that you are
generating output for.
• Do not connect a voltage source in voltage source mode or a
current source in
current source mode. An incorrect connection may damage the GS200.
• Do not connect a load that exceeds ±32 V or ±200 mA
across the OUTPUT Hi
and OUTPUT Lo terminals or across the SENSE Hi and SENSE Lo terminals.
• The maximum allowable voltage between the case and each t
erminal is ±250
Vpeak. Applying a voltage that exceeds this value may damage the GS200.
• Keep the voltage that is generated across OUTPUT
Hi and SENSE Hi and
across OUTPUT Lo and SENSE Lo to less than or equal to ±0.5 Vpeak.
• When making a four-terminal connection, be careful that the c
onnection to
the SENSE terminals does not get cut. If the voltage is not sensed correctly,
abnormal voltage may be generated across the OUTPUT Hi and OUTPUT Lo
terminals.
•
When making a two-terminal connection, use the OUTPUT
terminals. If the
SENSE terminals are used, the current flows through the SENSE line. This
prohibits the GS200 from generating correct output and can damage the GS200.
CAUTION
• Use conducting wires that have adequate margins of withstand voltage and
current capacity with respect to the voltage or current to be used.
• T
o prevent oscillations due to stray capacitance and lead inductance, use
twisted-pair lead wires to connect to the OUTPUT Hi and OUTPUT Lo terminals.
Likewise, use twisted-pair lead wires to connect to the SENSE Hi and SENSE Lo
terminals. In particular, wire the lead wires short in the case of a high-capacity
load in a four-terminal connection in voltage source mode.
Note
Susceptibility to the effects of noise increases when sourcing or measuring minute currents.
Take measures such as using shielded wires. Grounding shielded wires is an effective measure
to reduce the effect of noise.
Measure against noise when handling minute currents
GS200
OUTPUT Hi
OUTPUT Lo
DUT
Shield the lead wire of the high end
at ground potential.
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