Delta 28-299A Betriebsanleitung Seite 7

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2 Introduction
The MCD 500 is an advanced digital soft start solution for motors from 7 kW to 800 kW. MCD 500 soft starters provide a
complete range of motor and system protection features and have been designed for reliable performance in the most
demanding installation situations.
2.1.1 Feature List
M
Models for all connection requirements
21 A to 1600 A (in-line connection)
In-line or inside delta connection
Internally bypassed up to 215 A
Mains voltage: 200 - 525 VAC or 380 - 690 VAC
Control voltage: 24 VAC/VDC, 110 - 120 VAC or 220
- 240 VAC
User-friendly LCP
Loggings
Real-time graphs
SCR conduction bar graph
Tools
Application setups
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 VDC 200 mA supply output
Start and run modes
AAC - Adaptive Acceleration Control
Constant current
Current ramp
Kickstart
Jog
Emergency run operation
Stop modes
AAC - Adaptive Acceleration Control
Timed voltage ramp soft stop
DC brake
Soft brake
Emergency stop
Other features
Auto start/stop timer
Second order thermal model
Battery backup of clock and thermal model
Optional DeviceNet, Modbus or Profibus communi-
cation modules
Comprehensive protection
Wiring/Connection/Supply
-
Motor connection
-
Phase sequence
-
Power loss
-
Individual phase loss
-
Mains frequency
Current
-
Excess start time
-
Current imbalance
-
Undercurrent
-
Instantaneous overcurrent
Thermal
-
Motor thermistor
-
Motor overload
-
Bypass relay overload
-
Heatsink temperature
Communication
-
Network comms
-
Starter comms
External
-
Input trip
Starter
-
Individual shorted SCR
-
Battery/Clock
Introduction MCD 500 Operating Instruction
6 MG.17.K3.02 - VLT
®
is a registered Danfoss trademark
22
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