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Mainframe Power Allocation
Mainframe Power Ratings
Mainframe Power Limit
Module Power Limit
Power Limit Allocation
Mainframe Power Ratings
For the majority of Keysight N6700C MPS configurations, full power is available from all installed
power modules. However, it is possible to configure a power system in which the combined ratings of
the power modules exceed the power rating of the mainframe. The power system will continue to
operate normally as long as the combined module output power is within the power rating of the
mainframe. The power rating of Keysight N6700C mainframes is as follows:
Keysight N6700C : 400 W
Keysight N6701C : 600 W
Keysight N6702C @ nominal 100 - 120 VAC: 600 W
Keysight N6702C @ nominal 200 - 240 VAC: 1200 W
Mainframe Power Limit
If the combined power drawn from all of the power modules exceeds the mainframe's power rating, a
power fault protection event will occur. This causes ALL outputs to turn off and remain off until a
protection clear command is given. This is explained under
will indicate that a power fault protection event has occurred.
The power allocation function lets you programmatically limit the power that can be sourced from
individual power modules, thereby preventing the combined power from exceeding the mainframe's
rated output power and causing all the outputs to turn off.
For N6702C mainframes operating at 100-120 VAC nominal, the sum of the channel
power limit settings cannot exceed 600W due to a restriction on the AC line current.
There is no restriction when operating at 200-240 VAC nominal.
Module Power Limit
When the power limit has been set to a value less than the maximum rating on a power module, and
either the output voltage or the output current increases to a point where the module exceeds the
power limit setting, the module's power limit function will activate. If the power limit is left at the
maximum rating, then the power module will not enable its power limit function.
Keysight N6700C Series User's Guide
4 Operating the Power System
Clear Output
Protection. A status bit (PF)
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