D-69
Programming
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
Parameter Descriptions
This diagnostic indicates if the inverse time current limit is active.
This diagnostic indicates the present level of current that is allowed as a percentage of STACK CURRENT (refer to the
FEEDBACKS function block), clamped by MAX CURRENT (refer to the MOTOR PMAC 1 function block). Under normal
conditions and when not clamped by MAX CURRENT, this ranges from 110% to 200% of STACK CURRENT, depending
on the frame size and mode as described below. When the drive is limiting, this value will be the AIMING POINT clamped
by either 105% of STACK CURRENT or PERM CURRENT (refer to the MOTOR PMAC 1 function block).
In Quadratic Torque Mode:
Under normal conditions, the drive current limit is set to 110% of STACK CURRENT.
For Frames B, C & D:
Under normal conditions, the drive current limit is et to 200% of STACK CURRENT and DELAY is limited to 4
seconds.
For Mobile Frames:
Under normal conditions, the drive current limit is set to 175% of STACK CURRENT.
For Other Frame Sizes:
Under normal conditions, the drive current limit is set to 150% of STACK CURRENT.
This diagnostic indicates if the reduction is acting or not.
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