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83532002 Rev H
3.11.3. Remote Sensing
WARNING
There is a potential shock hazard at the J2 sense connector. Ensure
that the connections at the load end are shielded to prevent
accidental contact with hazardous voltages.
CAUTION
When using shielded sense wires, the shield should be grounded in only
one location. The location can be the Power Supply chassis or one of the
output terminals
Use remote sense where the load regulation at the load end is critical. In remote
sense, the Power Supply will compensate for the voltage drop across the load wires.
Refer to the Power Supply specifications of Section 2 for the maximum voltage drop
across the load wires. The voltage drop is subtracted from the total voltage available
at the output. Follow the instructions below to configure the Power Supply for remote
sensing:
a) Ensure that the front panel AC On/Off switch is in the Off position.
b) Remove the local sense jumpers from J2.
c) Connect the negative sense lead to terminal J2-5 (-S) and the positive sense lead
to terminal J2-1(+S) of the J2 mating connector. Ensure that the J2 mating
connector is plugged securely into the rear panel sense connector, J2.
d) Press the front panel AC On/Off power switch to the On position.
NOTES:
1. If the power supply is operating in remote sense and either the positive or negative
load wire is not connected, an internal protection circuit will activate and shut down
the Power Supply. To resume operation, turn the power supply Off using the AC
ON/OFF switch Then re-connect the open load wire, turn the power supply On using
the AC ON/OFF switch and press the front panel OUT button.
2. If the Power Supply is operated without the remote sense lines or local sense
jumpers, it will continue to work, but the Output voltage regulation will be degraded.
Also, the OVP circuit may activate and shut down the Power Supply.
3.11.4. J2 Sense Connector Technical Information
– J2 connector type: MC 1.5/5-G-3.81, Phoenix.
– Plug type: MC 1.5/5-ST-3.81, Phoenix.
– Wire AWG; 28 up to 16. (use wire with insulation rating equal to or greater than
the power supply Output voltage rating).
– Stripping length: 7mm (0.28 inches).
– Tightening torque: 0.22-0.25Nm (1.95-2.21Lb-Inch.)
3.12. Repackaging for Shipment
To ensure safe transportation of the instrument, contact the TDK-Lambda Americas Inc.
Sales or Service facility near you for Return Authorization and shipping information.
Please attach a tag to the power supply describing the problem and specifying the owner,
model number and serial number of the Power Supply. Refer to Warranty Information for
further instructions.
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