Introduction - Danfoss vlt soft starter mcd 500 Operating Manual

Introduction

2 Introduction
2 2
®
The VLT Soft Starter MCD 500 is an advanced digital soft
start solution for 11–850 kW (15–1150 hp) motors. The soft
starters provide a complete range of motor and system
protection features and are designed for reliable
performance in the most demanding installation situations.
2.1.1 Feature List
Models for all connection requirements
•
21–1600 A (in-line connection).
•
In-line or inside delta connection.
•
Internally bypassed up to 961 A.
•
Mains voltage: 200–525 V AC or 380–690 V AC.
•
Control voltage: 24 V AC/V DC, 110–120 V AC, or
220–240 V AC.
User-friendly LCP
•
Loggings.
•
Real-time graphs.
•
SCR conduction bar graph.
Tools
•
Application set-ups.
•
Date and time stamped event log with 99 entries.
•
8 most recent trips.
•
Counters.
•
Protection simulation.
•
Output signal simulation.
Inputs and outputs
•
Local or remote control input options.
(3 x fixed, 1 x programmable).
•
Relay outputs (3 x programmable).
•
Analog programmable output.
•
24 V DC 200 mA supply output.
Start and run modes
•
Adaptive control.
•
Constant current.
•
Current ramp.
•
Kick start.
•
Jog.
•
Emergency run operation.
8
®
VLT Soft Starter MCD 500
Stop modes
•
•
•
•
•
Other features
•
•
•
•
Comprehensive protection
•
•
•
•
•
•
Danfoss A/S © 05/2016 All rights reserved.
Adaptive deceleration control.
Timed voltage ramp soft stop.
DC brake.
Soft brake.
Starter disable.
Auto start/stop timer.
Second-order thermal model.
Battery back-up of clock and thermal model.
Optional DeviceNet, Modbus, Ethernet, or
PROFIBUS communication modules.
Wiring/connection/supply
-
Motor connection.
- Phase sequence.
- Power loss.
-
Individual phase loss.
- Mains frequency.
Current
-
Excess start time.
- Current imbalance.
- Undercurrent.
-
Instant overcurrent.
Thermal
- Motor thermistor.
-
Motor overload.
- Bypass contactor overload.
- Heat sink temperature.
Communication
- Network comms.
- Starter comms.
External
- Input trip.
Starter
-
Individually short-circuited SCR.
- Battery/clock.
MG17K602