Remote Sense Connections; Fig 5-2 Remote Voltage Sense Connections - Prodigit 3110 Series Operation Manual

5-2. Remote sense connections

Remote sensing compensates for the voltage drop in applications that require long lead
lengths. It is useful under low voltage high current conditions. The remote voltage sense
terminals (Vs+) and (Vs-) of the load are connected to (+) and (-) output of the DC Source.
Be sure to observe the correct polarity or damage may occur. The power and sense cables
should be bundled or tie wrapped together to minimize inductance.
Fig 5-2 illustrates a typical set up with the electronic load connected for remote sense
operation.
Please note that if V-sense is set to AUTO and the sense leads are connected to the DUT
the losses need to be approx. 1.2V (3110, 3111,3117) or 6V (3114,3119) before the display
compensates for the voltage loss. If V-sense is set to 'ON' and the sense terminals are
connected to the DUT the load will check and compensate for all voltage drops. The
maximum voltage sense compensation is the same as the rating of the 3110. For example
Vmax of 3110 is 80Vdc so maximum Vsense is also 80Vdc.

Fig 5-2 Remote voltage sense connections

3110 Series Operation Manual 79