Stupid PF700 question

Mark Snodgrass · Aug 14, 2014

I tried searching for the answer, but no luck verifying that I am thinking correctly. I have been brain farting here.

On a PF700 drive, in regard to the status bits for RIO/Enet communication, bit 1 is "active", does that mean the same as running (ie not faulted and driving motor regardless of at speed or not)?

Thanks in advance
Mark Snodgrass

Mark Snodgrass · Aug 15, 2014

I guess no one else knows either.

electric06 · Aug 15, 2014

If you have access to Rockwell's Knowledgebase you might look at this tech note 40046, I'm not sure if it is what you are looking for or not

MichaelG · Aug 15, 2014

Do not have a PF700 manual at the moment but from the PF 750 Manual

"Bit 1 “Active” – Condition is true if drive is modulating."

to me that means that the output stage of the drive is active - ie the inverter is sending/receiving current to/from the motor

I think that this bit will be set when: motoring / regenerating / DC Braking / Catch a spinning motor / Autotune

Bit 16 “Running” – This bit indicates that the drive has successfully responded to a start signal. The “Active” (Bit 1) status bit will also be set at the same time as the Running status. The “Running” bit will remain set while the drive’s control loops are active and during a controlled stop. The “Running” bit will be clear due to any of the following conditions: drive stopped, drive coast stop, drive jogging, drive autotuning.

osmanmom · Aug 16, 2014

the status bit drive information under manual user utility/diagnostic parameter.

Stupid PF700 question

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