Inverter VLB3 Series

 SPEED REFERENCE SIGNALS
– External potentiometer: 1...10kΩ
– Voltage or current analog signals
– Buttons on front keypad
– Remote control panel
– 15 preset speeds via digital inputs
– Motor potentiometer
– Setting via communication protocol.
PROGRAMMABLE INPUTS AND OUTPUTS
– 5 digital inputs
– 1 digital output, 1 changeover relay output
– 2 analog inputs configurable as voltage inputs
(0/2...10VDC, -10...+10VDC, 0...5VDC) or current inputs
0/4...20mA
– 1 analog output configurable as voltage output
0/2...10VDC, 0...5VDC or current output 0/4...20mA.
PROTECTIONS
– Overcurrent
– Output short circuit and earth/ground leakage
– Overvoltage and undervoltage
– Phase loss
– Motor heat overload (I2t)
– Motor PTC heat protection
– Drive, motor and braking resistor overload
– Overspeed and speed reverse.
FUNCTIONS
– Speed or torque control
– V/f linear or quadratic curves
– Open or closed loop vector control
– Energy-saving ECO control
– S-shape curves
– Flying restart
– Direct access to DC bus
– DC braking and DC injection at start
– PID control with sleep and wake up thresholds
– Multi-pump PID control (1 main pump frequency regulated + 2
auxiliary pumps activated in on-off mode in case of necessity)
– Sequencer (programmable frequency/time cycles)
– Suitable for AC three-phase asynchronous or synchronous
motors (up to 22kW)
– Different parameter configurations
– Safe Torque Off (STO) function with optional module
– Programming and monitoring software VLBXSW freely,
downloadable from the website www.LovatoElectric.com.
Operational characteristics
– Input voltage: 400...480VAC three-phase
– Output voltage: 0...480VAC three-phase
– Mains frequency: 50/60Hz
– Output frequency: 0...599Hz
– Current overload: 150% for 60s (heavy load), 120% for 60s
(standard load)
– Operating temperature: -10...+45°C (up to 60°C with derating)
– Maximum altitude: 1000m (4000m with derating)
– Relative humidity: 5...95% (with no condensing)
– Side-by-side installation
– Built-in EMC suppressor cat. C1 (up to 2.2kW) and C2
(EN/BS 61800-3)
– IE2 efficiency level (EN/BS 50598-2)
– IEC degree of protection: IP20.
Certifications and compliance
Certifications obtained: cULus, EAC, RCM.
Compliant with standards: EN/BS 61800-5-1, UL 61800-5-1,
CSA C22.2 No. 274