text: <s>[INST] Output phase loss PF70,PF700S How can i detect simply the output phase loss with PF70 or PF700S??The load loss is a indirect conclusion.I need direct.I mean one bit in the fault word for example.I think this is a simply problem but unsolved for the Rockwell,sorry but i think this is the truth.I need your help,because we will change the drive,if there is no solution (product of other company). [/INST] These drives don't actually monitor each output phase from the drive nor do they have a specific bit associated with the phase. Other parameters in the drive detect and react if a problem occurs within the drive or to the load. The drive will fault or alarm (however you have it programmed) if it thinks there is a problem with the load, especially for load loss. The question is: What action do you want the drive to take if there is an output phase loss? Fault? If so, then the drive can be programmed to do so. You could monitor parameter 006 (output voltage) and if it drops to a particular level then you'll know if you've lost a phase....of course, the drive probably would've faulted by then. \\n </s>