Emerson 3402 User Manual

Introduction
Parameter
x.00
Parameter
description format
Keypad and
display
Serial
communications
CT Modbus
RTU
PLC Ladder
programming
CTSoft Menu 0
Advanced parameter
descriptions
Menu 9
Commander SK Advanced User Guide 125
Issue Number: 9 www.controltechniques.com
This parameter defines the time taken for the motorized 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 motorized 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 motorized pot will cause the programmed destination
parameter to be at its maximum value.
This needs to be set up with the parameter that the motorized pot is to control. Only parameters which are not protected can be controlled by the
motorized pot function, if a non valid parameter is programmed the output is not routed anywhere. If the motorized pot is to control speed then it is
suggested that one of the preset speed parameters is entered here.
These three bits control the motorized 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 On(1), the motorized pot output is reset
and held at 0.0%.
Input terminals must be programmed to control these parameters to implement the motorized pot.
9.23 Motorized 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 Motorized 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 Motorized pot destination
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1 2 1111
Range Pr 0.00 to Pr 21.51
Default Pr 0.00
Update rate Read on drive reset
9.26 Motorized pot up
9.27 Motorized pot down
9.28 Motorized pot reset
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range OFF(0) or On(1)
Default OFF(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 OFF(0) or On(1)
Default OFF(0)
Update rate 21 ms

Emerson 3402 Specifications

General

Brand	Emerson
Model	3402
Category	Controller
Language	English