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Emerson 4401 User Manual

Emerson 4401
200 pages
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Advanced User Guide
Commander SK
AC variable speed drive for 3
phase induction motors from
0.25kW to 110kW, 0.33hp to
150hp
Part Number: 0472-0001-09
Issue: 9
www.controltechniques.com

Table of Contents

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Emerson 4401 Specifications

General IconGeneral
Model4401
TypeController
Input Voltage24 VDC
InputRTD, Thermocouple, mA, V
MountingPanel Mount
Enclosure RatingIP66

Summary

Parameter description format

Software variable maximum term definitions

Definitions for software variables and their maximum allowed values.

Drive reset

Reasons and methods for performing a drive reset.

Sources and destinations

Explanation of how sources and destinations are used for parameter routing.

Keypad and display

Selecting and changing parameters

Procedure for navigating and modifying parameter values via keypad.

Serial communications

EIA232 to EIA485 communications

Information on using external converters for EIA232 to EIA485 communication.

Serial communications connections

Guidance on connecting drives in a serial network and cable requirements.

CT Modbus RTU

CT Modbus RTU specification

Overview of the Modbus RTU protocol adaptation and its specifications.

PLC Ladder programming

PLC Ladder programming and SYPTLite

Introduction to using SYPTLite for PLC ladder logic development.

CTSoft

Getting started with CTSoft

Initial steps and guidance for using CTSoft for drive commissioning.

Advanced parameter descriptions

Overview

Introduction to advanced parameter menus and coding.

Menu 1: Speed reference selection, limits and filters

Detailed description of parameters for speed reference control.

1.01 Frequency reference selected {81}

Parameter for selecting the frequency reference source used by the drive.

1.06 Maximum set speed {02}

Parameter defining the maximum allowed set speed for the drive.

1.07 Minimum set speed {01}

Parameter defining the minimum allowed set speed for the drive.

1.10 Allow negative references {17}

Parameter to enable or disable negative references for speed control.

1.14 Reference selector

Parameter to select the speed reference source for motor 1.

1.15 Preset speed selector

Parameter to select one of eight preset speeds.

1.21 Preset speed 1 {18}

Parameter for setting preset speed 1.

Menu 2: Ramps

2.01 Post ramp reference {83}

Parameter for the post-ramp reference value.

2.10 Acceleration rate selector

Parameter to select the acceleration rate based on terminal input or parameter.

2.11 Acceleration rate 1 {03}

Parameter for setting acceleration rate 1.

2.20 Deceleration rate selector

Parameter to select the deceleration rate based on terminal input or parameter.

2.21 Deceleration rate 1 {04}

Parameter for setting deceleration rate 1.

Menu 3: Speed sensing thresholds and frequency input and output

Maximum output frequency or maximum PWM output frequency

Parameter defining the maximum frequency for output.

Hard frequency reference

Parameter for hard frequency reference input.

Hard frequency reference selector

Parameter to enable or disable hard frequency reference.

Maximum reference frequency

Parameter defining the maximum reference frequency.

Menu 4: Current control

Current magnitude (motor current) {88}

Parameter displaying motor current magnitude.

Motor active current {89}

Parameter showing the active current, proportional to torque.

Symmetrical current limit

Parameter for setting symmetrical current limit.

Torque reference

Parameter for setting the main torque reference.

Torque mode selector

Parameter to enable or disable torque control mode.

Current controller Kp gain

Parameter for the proportional gain of the current controller.

Current controller Ki gain

Parameter for the integral gain of the current controller.

Motor thermal time constant

Parameter for motor thermal time constant.

Motor thermal protection mode

Parameter to enable or disable motor thermal protection.

Motor overload accumulator

Parameter indicating modeled motor temperature as percentage of trip level.

Low speed thermal protection mode

Parameter to enable or disable low speed thermal protection.

Menu 5: Motor control

Motor frequency {85}

Parameter showing the output frequency of the drive.

Motor speed {87}

Parameter showing calculated motor speed in RPM.

Motor rated frequency {39}

Parameter for motor rated frequency.

Motor rated current {06}

Parameter for motor rated current, set to machine nameplate value.

Motor rated full load rpm {07}

Parameter for motor rated full load RPM.

Motor rated voltage {08}

Parameter for motor rated voltage, defines V/f characteristic.

Autotune {38}

Parameter to initiate and select autotune modes.

2 Rotating test

Procedure for the rotating test during autotune.

Dynamic V to f select {32}

Parameter to enable dynamic V/f mode for power loss reduction.

Voltage mode select {41}

Parameter to select voltage mode for V/f characteristic.

Stator resistance

Parameter containing stator resistance for open loop vector mode.

Maximum switching frequency {37}

Parameter defining the required switching frequency.

High stability space vector modulation

Parameter to enable high stability space vector modulation.

Enable slip compensation

Parameter to enable or disable slip compensation.

Menu 6: Drive sequencer and clock

Stop mode select {31}

Parameter to select the drive stop mode.

Start/stop logic select {11}

Parameter to configure terminal functions for start/stop logic.

Low DC bus operation

Parameter to enable low DC bus operation for single-phase supply.

Function key mode

Parameter to define the function of the Function key.

Menu 7: Analog inputs and outputs

Analog input 1 level (terminal T2) {94}

Parameter displaying the analog input 1 signal level.

Analog input 2 level (terminal T4) {95}

Parameter displaying the analog input 2 signal level.

Heatsink temperature

Parameter displaying the heatsink temperature.

Power circuit temperature 2

Parameter displaying power circuit temperature 2.

Analog input 1 mode (terminal T2) {16}

Parameter to configure terminal T2 for voltage/current reference.

Analog input 1 destination

Parameter defining the destination for analog input 1.

Analog input 2 mode (terminal T4)

Parameter to configure terminal T4 for analog or digital input.

Analog input 2 destination

Parameter defining the destination for analog input 2.

Analog output control (Terminal B1) {36}

Parameter to control the analog output signal on Terminal B1.

IGBT junction temperature

Parameter showing calculated IGBT junction temperature.

Drive thermal protection accumulator

Parameter showing estimated temperature as percentage of trip level.

Power circuit temperature 3

Parameter showing power circuit temperature 3 (size 6 only).

Menu 8: Digital inputs and outputs

Terminal B3 digital input destination/output source

Parameter to define Terminal B3 function as input or output.

Terminal B7 digital input destination

Parameter defining the destination for Terminal B7 digital input.

Terminal B3 mode select

Parameter to select the function of Terminal B3.

Terminal B7 mode select {34}

Parameter to select the function of Terminal B7.

Digital output control (Terminal B3) {35}

Parameter to control the functionality of the digital output.

Menu 9: Programmable logic, motorized pot and binary sum

Logic function 1 destination

Parameter defining the destination for Logic Function 1.

Logic function 2 destination

Parameter defining the destination for Logic Function 2.

Motorized pot mode

Parameter to select the motorized pot mode of operation.

Motorized pot destination

Parameter defining the destination for motorized pot control.

Binary sum destination

Parameter defining the destination for the binary sum output.

Menu 10: Status logic and diagnostic information

Drive output is at current limit

Indicates that normal current limits are active.

Overload alarm

Parameter indicating drive output current is larger than motor rated current.

Drive temperature alarm

Flag set if IGBT junction temperature exceeds threshold.

Last trip {55}

Parameter containing the last 10 drive trips.

Full power braking time

Parameter defining time braking resistor withstands full braking volts.

Full power braking period

Parameter defining time between consecutive braking periods.

External trip

Parameter to enable drive trip via external function.

Action on trip detection

Parameter defining action upon trip detection.

User trip

Parameter used to generate user trips via serial comms.

Braking energy overload accumulator

Indication of braking resistor temperature based on thermal model.

Menu 11: General drive set-up

Serial comms address {44}

Parameter defining the unique address for serial interface.

Modbus RTU / user serial mode

Parameter to select Modbus RTU or user serial mode.

Drive configuration {05}

Parameter to set up user programmable area based on drive configuration.

Maximum heavy duty drive current rating

Parameter indicating continuous industrial current rating.

Parameter copying {28}

Parameter to select SmartStick operation mode.

Load defaults {29}

Parameter to load default parameter sets (Euro or USA).

Security status {10}

Parameter defining the level of security for menu 0.

Select motor 2 parameters

Parameter to activate motor 2 parameters in menu 21.

PLC ladder program enable {59}

Parameter to start and stop the PLC ladder program.

PLC ladder program status {60}

Parameter indicating the status of the PLC ladder program.

Menu 12: Programmable threshold and variable selector

Threshold detector 1 destination

Parameter defining the destination controlled by the threshold parameter.

Variable selector 1 mode

Parameter defining the mode of operation for variable selector 1.

Variable selector 1 destination

Parameter defining the destination for variable selector 1 output.

Threshold detector 2 destination

Parameter defining the destination controlled by threshold detector 2.

Variable selector 2 mode

Parameter defining the mode of operation for variable selector 2.

Variable selector 2 destination

Parameter defining the destination for variable selector 2 output.

Brake release current threshold {46}

Parameter for brake release current threshold.

Brake apply current threshold {47}

Parameter for brake apply current threshold.

Pre-brake release delay {50}

Parameter for pre-brake release delay time.

Post-brake release delay {51}

Parameter for post-brake release delay time.

Menu 14: PID controller

PID output

Parameter monitoring the PID controller output before scaling.

PID main reference source

Parameter defining the main input variable to the PID controller.

PID enable

Parameter to enable or disable the PID controller.

PID proportional gain

Parameter for proportional gain applied to PID error.

PID integral gain

Parameter for gain applied to PID error before integration.

PID derivative gain

Parameter for gain applied to PID error before differentiation.

PID output destination

Parameter defining the destination for PID controller output.

PID main reference

Parameter monitoring the main reference input of the PID controller.

Menu 15: Solutions Module set-up

Terminal T5 digital input 1 destination

Parameter defining the destination for Terminal T5 digital input.

Terminal T7 digital input 3 destination

Parameter defining the destination for Terminal T7 digital input.

Analog input 1 mode (Terminal T2)

Parameter to configure Terminal T2 for analog input mode.

Analog input 1 destination (Terminal T2)

Parameter defining the destination for analog input 1.

Analog output 1 source (Terminal T3)

Parameter to select the source for the analog output on Terminal T3.

Solutions Module error status

Parameter showing the Solutions Module error status.

Drive encoder lines per revolution

Parameter indicating encoder lines per revolution.

Drive encoder speed feedback

Parameter showing encoder speed in RPM.

Maximum drive encoder reference

Parameter limiting the range of the encoder speed reference.

Menu 18: Application menu 1

Menu 20: Application menu 2

Menu 21: Second motor map

Motor 2 reference selector

Parameter to select the speed reference for motor 2.

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