Product category:
Industrial Drives/Controls
News Release from: System Control Solutions | Subject: Delta VFD-E micro drives
Edited by the Engineeringtalk Editorial
Team on 02 November 2007
Micro drives can run without external
control
Low-horsepower constant-torque micro drives are IP20 rated, modular in design and have flexible extension option cards and built in PLC functions.
Available now in the UK from System Control Solutions is the VFD-E series of sensorless vector constant-torque frequency inverters The new Delta VFD-E micro drives represent Delta Electronics newest low-horsepower constant-torque micro drives, IP20 rated, modular in design with flexible extension option cards and built in PLC functions, the VFD-E has the ability to write and execute simple control programs, avoiding the need for external control hardware when used in many applications
This article was originally published on Engineeringtalk on 2 Jul 2007 at 8.00am (UK)
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With an EMI filter built in as standard (switchable for IT/medical applications), the VFD-E has been designed in the "contactor" style to separate incoming and outgoing wiring, has full overload protection (oL,oL1 and oL2), overvoltage/overcurrent stall prevention, short circuit protection, reset after fault facility, speed search function and motor overheat protection by PTC.
The VFD-E comes as standard with Modbus protocol via RS485, but also has optional fieldbus modules for connection to a variety of networks including Profibus, DeviceNet, LonWorks and CANopen.
The design incorporates high-efficiency cooling, thereby allowing multiple installations "side by side" for panel space saving, further extending the flexibility of the compact design and also available with DIN rail adapter for control panel installation space maximisation.
Multiple VFD-Es can be connected in parallel to share regenerative braking energy, preventing overvoltage and giving DC bus stability.
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