Menu 3 Introduction Parameter x.00
Parameter
description format
Keypad and
display
CT Modbus
RTU
User
programming
CT Soft Menu 0
Advanced parameter
descriptions
44 Commander SK Advanced User Guide
www.controltechniques.com Issue Number: 2
Pr 3.33 and Pr 3.44 are used to scale the pulse counter down to the required position units. The multiplying factor applied to the counter is defined as:
Defines the maximum frequency expected at the frequency input. The time the frequency is measured over is defined by:
With a maximum measurement time of 0.341 seconds.
2048 is used to give the measurement more stability. The output is 10 bits.
Maximum reference frequency of less than 6 kHz will have a lower resolution.
When Pr 8.35 is set to 3 (Frequency input mode with precision) the measured time is fixed at 0.341 seconds. This gives a 12 bit input for maximum
reference frequency of 15 kHz and greater. Pr 1.19 is automatically updated with the 2 LSBs.
Scale factor applied to the frequency reference.
Indicates the frequency input value.
3.34 Position scaling denominator
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111
Range 0.0 to 100.0
Default 1.0
Update rate Background
3.35 to 3.42 Unused parameters
3.43 Maximum reference frequency
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111
Range 0.0 to 50.0 kHz
Default 10.0
Update rate Background
3.44 Frequency reference scaling
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
3111
Range 0.000 to 4.000
Default 1.000
Update rate Background
3.45 Frequency reference
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111 1
Range 0.0 to 100.0 %
Update rate 5 ms
Pr3.33
Pr3.34
------------------
Measurement time
2048
Maximum reference frequency
--------------------------------------------------------------------------------------=
To Next Page
Loading...
Need help?
General
