Parameter Descriptions
11-19
• Slip Comp provides for frequency output adjustment as a function
of load. The amount of compensation is defined by the value of
Slip RPM @ FLA.
• Process PI allows for the output motor speed (frequency) to be
adjusted based on the outer control loop regulator.
Sets the low limit for the speed reference after scaling is applied.
Figure 11.6 – Speed Control Method
+
Spd Cmd
Process PI
Controller
Linear Ramp
& S-Curve
+
+
+
PI Enabled
Speed Control
Spd Ref
PI Ref
PI Fbk
Slip Adder
Open
Loop
Slip
Comp
Process
PI
81
Minimum Speed
Range:
0.0 to Maximum Speed [0.1 Hz]
Default:
0.0 Hz
Access:
0
Path:
Speed Command>Spd Mode & Limits
See also:
83, 92, 95
!
ATTENTION:
The drive can operate at and maintain
zero speed. The user is responsible for assuring safe
conditions for operating personnel by providing
suitable guards, audible or visual alarms, or other
devices to indicate that the drive is operating or may
operate at or near zero speed. Failure to observe
this precaution could result in severe bodily injury or
loss of life.
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Summary of Contents for Reliance electric 6SB401 Series
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