Control Techniques Mentor MP User Manual

Menu 3
Parameter
structure
Keypad and
display
Parameter x.00
Parameter description
format
Advanced parameter
descriptions
Serial comms
protocol
Performance
56 Mentor MP Advanced User Guide
www.controltechniques.com Issue Number: 4
When Pr 3.55 is set to a 1 Pr 3.56 defines the window over which the software will automatically select the estimated feedback.
Window = 03.56 % * Base speed (Pr 5.08 {SE08, 0.29} or Pr 21.06)
If | Selected feedback - estimate feedback | > Window then
If Selected feedback sign different to estimate feedback sign then
Feedback polarity error
End if
If Pr 3.55 is 1 then
Pr 3.57 = 1
Else
Feedback loss error
End if
End if
Indicate bit to indicate that the speed feedback is outside the loss window, see Pr 3.55 and Pr 3.56. Cleared to zero when the drive is inactive.
Gives the speed feedback as a percentage of MAX_SPEED_REF.
3.56
Speed feedback loss window
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1 111
Range 0 to 100 %
Default 20.0 %
Update rate Background read
3.57
Estimated speed has been automatically selected
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1
Update rate Background write
3.58
Speed feedback percentage
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
11 1 1
Range ±100.0 %
Update rate Background write
Upper limit
estimated speed + Pr
3.56
No upper limit
above base speed
Lower limit
base speed - Pr
3.56
Lower limit
estimated speed - Pr
3.56

Control Techniques Mentor MP Specifications

General

Brand	Control Techniques
Model	Mentor MP
Category	DC Drives
Language	English