Danfoss VLT5000 SyncPos Operating Instructions Manual page 69

In special instances the trapeze-shaped velocity
curve can degenerate to a triangle shape. This effect
occurs when the positioning distance is too short to
achieve the maximum velocity at the desired
acceleration.
"TESTRUN" acceleration graph
The light green curve shows the actual path of accele-
ration, the dark curve the desired trapeze-shaped set
curve during acceleration and deceleration.
68
Programmable SyncPos motion controller
"TESTRUN" current graph
The blue line shows the actual motor current.
MG. 1 0.J8.02 – VLT is a registered Danfoss trade mark