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Function
Latch
Option
AOK
SO1
SO2
SO3
10 Power up reset No Open
collector
Open
collector
Open collector Open collector
11 Commutation failure Yes Open
collector
Low Low Low
* This indication can be used as a digital input for activating an external shunt regulator.
Table 4-1: Dragonfly/Butterfly Status Indications
Notes:
Without latch mode:
The status indications are reset when the fault disappears.
With latch mode:
The Short, Over Temperature and Commutation Failure status indications are reset
when the enable signal is temporarily removed from the enable input.
Multiple faults:
Only the reading of the first fault is reliable. Additional faults add on to the status
outputs and the indication is therefore meaningless.
Dragonfly/Butterfly Installation Guide Servo Control Operation
MAN-DRBUIG (Ver. 1.1)
4-4