User`s guide

3 Operating the DC Power Analyzer
40 Model N6705A User’s Guide
If an output has Option 760 installed, you can reverse the polarity of
the output and sense terminals. Check Reverse Polarity to reverse
the polarity. The output is briefly turned off while the output and
sense terminal polarities are switched. Note that when this option is
installed, the maximum output current is limited to 10A.
When the output and sense polarities are reversed, the following
symbol appears on the front panel display:
Checking the box labeled 4-Wire Sense disconnects the sense
terminals from the output terminals. This lets you use 4-wire remote
voltage sensing.
Set the Protection Functions
Protection functions are configured in the Protection Configuration
window. Press the Settings key to access the Source Settings window.
Navigate to and select Protection. Then press Enter.
For over-voltage protection, enter an over-voltage value in the Level
field. Over-voltage protection disables the output if the output voltage
reaches the OVP level.
To enable over-current protection, check the Enable OCP box. With
over-current protection, the DC Power Analyzer disables the output
if the output current reaches the current limit setting causing a
transition from CV to CC mode. Note that you can specify a Delay, to
prevent momentary CV-to-CC status changes from tripping the over-
current protection. The delay can be programmed from 0 to 0.255
seconds. You can specify if the Start of the delay is initiated only by a
settings change in voltage, current, or output state, or by any
transition into CC mode.
You can also program the Inhibit input (pin 3) on the rear panel to
act as an external protection shutdown signal. The behavior of this
signal can be set to either Latched or Live (non-latched). Off disables
the remote inhibit. Refer to chapter 5 for further information.
Checking the Enable Coupling box lets you configure the instrument
so that when a protection fault occurs on one output, ALL outputs
will be turned off.
The Status indicator shows the status for all outputs. This indicator
also appears in the lower left corner of each output in Meter View.
When a protection function trips, the status indicator shows which
protection function was activated (e.g. OV, OC, OT, INH, PF, CP+).