Programming D-65
DC590+ DRV Series DC Digital Drive
FIELD CONTROL
Parameter Tag Range
BEMF INPUT 1274
⎯.xx %
The feedback value of back-emf used for the field weakening control, when BEMF SOURCE is set to BEMF INPUT. It allows for the use of the field
weakening control structure on motors not directly connected to the armature terminals. It can be wired within the block diagram to an analogue input
or a communications path.
The use of this parameter is typically combined with parameters ISOL DMD SOURCE and 3-PHASE FIELD (CURRENT LOOP function block) to
apply the drive to field weakening control of a motor field.
Note: If the ADVANCED field weakening mode is being used with an external back-emf feedback, ensure to apply the speed feedback so that
the base speed calculator can function correctly.
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