Introduction Parameter x.00
Parameter
description format
Keypad and
display
CT Modbus
RTU
User
programming
CT Soft Menu 0
Advanced parameter
descriptions
Menu 9
Commander SK Advanced User Guide 101
Issue Number: 2 www.controltechniques.com
This parameter defines the time taken for the motorised pot function to ramp from 0 to 100.0%. Twice this time will be taken to adjust the output from
-100.0% to +100.0%.
This parameter can be used to restrict the output of the motorised pot to operate over a reduced range so that it can be used as a trim for example.
There is an automatic scaling such that when this parameter is set to 1.000, a 100% level on the motorised pot will cause the programmed destination
parameter to be at its maximum value.
This needs to be set up with the parameter that the motorised pot is to control. Only non bit parameters which are not protected can be controlled by
the motorised pot function, if a non valid parameter is programmed the output is not routed anywhere. If the motorised pot is to control speed then it is
suggested that one of the preset speed parameters is entered here.
These three bits control the motorised pot. The up and down inputs increase and decrease the output at the programmed rate respectively. If both up
and down are active together the up function dominates and the output increases. If the reset input is set to 1, the motorised pot output is reset and
held at 0.0%.
Input terminals must be programmed to control these parameters to implement the motorised pot.
9.23 Motorised pot rate
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range 0 to 250 s
Default 20
Update rate Background read
9.24 Motorised pot scale factor
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
3 111
Range 0.000 to 4.000
Default 1.000
Update rate Background
9.25 Motorised pot destination
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1 2 1111
Range Pr 1.01 to Pr 21.51
Default Pr 0.00
Update rate Read on drive reset
9.26 Motorised pot up
9.27 Motorised pot down
9.28 Motorised pot reset
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range 0 or 1
Default 0
Update rate 21 ms
9.29 Binary sum one’s input
9.30 Binary sum two’s input
9.31 Binary sum four’s input
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range 0 or 1
Default 0
Update rate 21 ms
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