Rockwell Automation Publication PFLEX-RM003E-EN-E - January 2011 73
Detailed Drive Operation Chapter 1
of 60 minutes, the remaining 59 minutes must be at approximately 98% rated
current or less.
Motor Overload Memory Retention Per 2005 NEC
The PowerFlex 700S drive with Phase II control (firmware 3.01 and higher) has
the ability to retain the motor overload count at power down per the 2005 NEC
motor overtemperature requirement.
• To enable motor overload memory retention, set bit 20 “Motor OL Ret” of
parameter 153 [Control Options] to “1”.
• To disable motor overload memory retention, set bit 20 “Motor OL Ret”
of parameter 153 [Control Options] to “0”.
The motor overload count value can be viewed in parameter 341 [Mtr I2T
Count].
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