Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017 179
Logic Command/Status Words: PowerFlex 755T Drives and Bus Supplies Appendix E
Logic Status Word
Table 101 - Logic Status Words
Logic Bit Status Description
0 Ready 0 = Not Ready to Run
1 = Ready to Run
1 Reserved
2 Auto Restart Active 0 = Auto Restart not active
1 = Auto Restart active
3 Auto Restart Countdown 0 = Auto Restart not counting downtime
1 = Auto Restart counting downtime before attempting
restart
4 Heat Sink Fan On 0 = Heat sink fan off
1 = Heat sink fan on
5 Autotuning 0 = Autotune not active
1 = Autotune active
6Alarm 0 = No Alarm
1 = Alarm
7 Fault 0 = No Fault
1 = Fault
8 At DC Reference 0 = DC Bus voltage not within 1% of reference
1 = DC Bus voltage within 1% of reference
9…14 Reserved
15 Start Inhibit 0 = No condition inhibiting start
1 = Condition is inhibiting start
16 Running 0 = Line-side converter not modulating
1 = Line-side converter modulating
17…20 Reserved
21 AC Ridethrough 0 = Not riding through a power disturbance
1 = Riding through a power disturbance
22 Input Phase Loss 0 = Input phase loss is not occurring
1 = Input phase loss is occurring
23 AC Line Synchronized 0 = Line-side converter that is not synchronized with
incoming power frequency and phase
1 = Line-side converter that is synchronized with incoming
power frequency and phase
24 kVAR Only Active 0 = Line-side converter not commanding only reactive
current
1 = Line-side converter commanding only reactive current
25 In Precharge 0 = Not executing a precharge
1 = Executing a precharge
26 At Limit 0 = Output is not being limited
1 = Output is being limited. See 13:226 [At Limit Status]
27 Cur Limit 0 = Current is not being limited
1 = Current is being limited
28 Converter Bus Regulating 0 = Not actively regulating DC Bus voltage
1 = Actively regulating DC Bus voltage
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