Magnetek - Reduced Voltage Soft Starters
RVS-DN Digital Soft Starter

Advantages at a glance 

• Standard Ratings: 8-2700A, 200-600V 
• Optional Voltages: 380, 690 and 1000V 
• Heavy duty, rated for 50°C 
• Superior starting and stopping characteristics 
• Comprehensive motor protection package 
• User-friendly programming menu 
• Operates off stand-by generator power supply 

8-72A

Performance Features 

• Soft start and soft stop 
• Current limit 
• Pump control program 
• Torque and current control for optimized starting and stopping 
• Jog with electronic reverse 
• Pulse start for high break-away torque 
• Linear acceleration (requires tach feedback) 
• Four modes of fault reset 

Protection Features 

• Programmable maximum starts 
• Stall detection 
• Electronic shear pin (jam) 
• Electronic overload with selectable curves 
• Under current 
• Phase loss and phase sequence 
• Under and over voltage 
• Load loss (motor not connected) 
• Shorted SCR (Silicon Controlled Rectifier) 
• Over-temperature 

1100-1800A

LCD & LEDs Displays 

• LCD-2 lines x 16 characters 
• Selectable languages: 
  English, German, French and Spanish 
• Two display modes for basic and advanced applications 
• User friendly operation with default parameters 
• Eight LEDs for quick operation status 

Available Statistical Data 
Data is stored in NV RAM, and is retrievable via keypad or serial communication 

• Total run time 
• Total number of starts 
• Total number of trips 
• Last start current 
• Last start time 
• Last trip 
• Current at trip 

Options 

• Communication Protocal; RS-485, MODBUS, PROFIBUS or MODBUS-TCP/IP 
• Motor insulation test-monitors motor insulation when motor is stopped, with alarm and start inhibit set points 

105-170A

• Analog output-related to motor's current; 
  selectable 0-20mA, 4-20mA and 0-10VDC 
• Thermistor input, selectable as PTC or NTC 
• Preparation for Bypass-bus bar arrangement to maintain protection when bypass is closed 
• Conformal coating for printed circuit boards 
• Back-lit LCD 
• Tach feedback card for synchronized multi-motor starting 

210-390A

Pump Control 
Designed to prevent over-pressure during starting, and water-hammer during stopping. Six field-adjustable starting and stopping curves with adjustable final torque point. 
Typical applications: Pumping to a high elevation or against counter torque. 

Jog with Electronic Reverse 
Motor can be operated at 1/6 of rated speed for 30 seconds. Direction is reversed electronically, without contactors. 
Typical applications: Positioning, maintenance and sewage pumps-releasing jam conditions by reverse rotation. 

Energy Saver 
Supply voltage to the motor is reduced when motor is lightly loaded. The RVS-DN lowers the rotating magnetic field intensity, improving the power factor and reducing power consumption. 
Typical applications: Piston Compressors operating less than 50% of the duty cycle in less than 50% of their FLA current. 

Auxiliary Relays 
Programmable relays, 3 Form C, 8A, 220 VAC 

• Immediate with adjustable on and off delays, can be dedicated for shear-pin (jam) protection 
• End of acceleration with adjustable "on" delay 
• Fault, programmable as fault or fault fail-safe operation 
• Low motor insulation alarm (optional) Optional Communication Protocals 

Optional Communication Protocols

• MODBUS-enables setting, control and supervision 
• PROFIBUS DP-enabling control and supervision 
• MODBUS-TCP/IP- supported according to "Specification 1.0," via standard RJ45 computer network connector (TBD)

Optional Analog Board 
Two field programmable functions: 

• Thermistor input, PTC or NTC 
• Analog output, related to motor's current, programmable as 0-10VDC, 4-20mA, 0-20mA 

• Alarm level, adjustable 0.2-5 MΩ 
• Fault level, adjustable 0.2-5 MΩ, prevents starting when insulation is below an acceptable level 

Copyright © 2004
Information Provided by:
Magnetek ICG
N49 W13650 Campbell Drive
Menomonee Falls, WI 53051
Toll Free: 800-288-8178
Fax: 262-783-3510