Digital Acoustics ESBx-110 Especificaciones Pagina 90

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Core Software Operation
ADDvantage-32 PLUS AC to DC Power Converter
3-10
RUNG 13 This delays D:ARM ENABLE until the motor contactor has a chance to pick up.
The delay is based on drive size from 150 ms on a 10 amp drive to 500 ms on a
510 and 550 amp drive and 750 ms on AFM’s. The parameter X***:MC DLY
ADJT can adjust the delay, more or less by entering a positive or negative number
respectively. X*** can be entered in “ticks,” based on line frequency (2.777 ms
on 60 Hz). Software will not allow delays less than 27 ms.
WARNING: Incorrect setting of the parameter can result in bridge self test failures or IOC’s on
application of runs to the drive. Also, the value SHOULD NOT be changed if there is any
intention of applying the ADD-32 PLUS to an already spinning motor.
RUNG 14 This delay is to sense if there is actual CEMF on the motor when the contactor is
closed. The delay is added to allow an accurate reading of motor CEMF in the
event of a drive starting into a spinning motor.
RUNG 15 D:ARM ENABLE allows the SCR's to fire and is used in the application portion
of the software to release integrators and ramps.
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