BENSHAW RediStart MX3 Series User Manual

4.9 Emergency Overload Reset ....................................... 62
4.10 LED Display ............................................... 62
5 PARAMETER GROUPS ......................................... 64
5.1 Introduction ................................................ 64
5.2 LCD Display Parameters......................................... 64
5.2.1 Quick Start Group ...............................................64
5.2.2 Control Function Group ...........................................65
5.2.3 Protection Group ...............................................66
5.2.4 I/O Group ...................................................67
5.2.5 RTD Group ...................................................68
5.2.6 Function Group ................................................69
5.2.7 Fault Log Group (FL1 - FL9) .........................................70
5.2.8 Event Log Group (E01 - E99) .........................................70
6 PARAMETER DESCRIPTION ..................................... 72
6.1 Parameter Descriptions ......................................... 72
7 THEORY OF OPERATION ....................................... 138
7.1 Solid State Motor Overload Protection ................................. 138
7.1.1 Overview ....................................................138
7.1.2 Setting Up The MX
3
Motor Overload ....................................138
7.1.3 Motor Overload Operation ..........................................140
7.1.4 Current Imbalance / Negative Sequence Current Compensation ....................140
7.1.5 Harmonic Compensation ...........................................141
7.1.6 Hot / Cold Motor Overload Compensation ................................141
7.1.7 RTD Overload Biasing ............................................143
7.1.8 Overload Auto Lockout ...........................................144
7.1.9 Separate Starting and Running Motor Overload Settings ........................144
7.1.10 Motor Cooling While Stopped .......................................145
7.1.11 Motor Cooling While Running .......................................146
7.1.12 Emergency Motor Overload Reset .....................................146
7.2 Motor Service Factor ........................................... 147
7.3 Acceleration Control ........................................... 148
7.3.1 Current Ramp Settings, Ramps and Times .................................148
7.3.2 Programming A Kick Current ........................................149
7.3.3 TruTorque Acceleration Control Settings and Times ...........................149
7.3.4 Power Control Acceleration Settings and Times..............................151
7.3.5 Open Loop Voltage Ramps and Times ...................................152
7.3.6 Tachometer Ramp Selection .........................................153
7.3.7 Dual Acceleration Ramp Control ......................................154
7.3.8 Acceleration Ramp Selection .........................................155
7.3.9 Changing Ramp Profiles ...........................................156
7.4 Deceleration Control ........................................... 157
7.4.1 Voltage Control Deceleration ........................................157
7.4.2 TruTorque Deceleration ...........................................158
7.5 Braking Controls ............................................. 159
7.5.1 DC Injection Braking, Standard Duty ....................................160
7.5.2 DC Injection Braking, Heavy Duty .....................................160
7.5.3 Braking Output Relay .............................................160
7.5.4 Stand Alone Overload Relay for emergency ATL (Across The Line) Operation ............160
7.5.5 DC Injection Brake Wiring Example.....................................161
7.5.6 DC Brake Timing ...............................................162
7.5.7 DC Injection Brake Enable and Disable Digital Inputs ..........................162
7.5.8 Use of Optional Hall Effect Current Sensor ................................163
7.5.9 DC Injection Braking Parameters ......................................164
iv
TABLE OF CONTENTS

BENSHAW RediStart MX3 Series Specifications

General

Brand	BENSHAW
Model	RediStart MX3 Series
Category	Controller
Language	English