BLAZER® Series
1/4 – 5 HP Isolated Drives Standard Features
General Description • Standard Features • Specifications • Model Ratings/Dimensions • Connections
Standard Features
- Isolation amplifier for providing isolated armature current feedback
- Impedance isolation, 5 Meg Ohms, for armature voltage feedback isolation
- AC line contactors for safety disconnect in stopped condition
- Digital logic for sequencing Start, Stop and Jog operation for dry circuit switching of line contactors to extend contactor life
- AC line fuses for circuit protection
- Independently adjustable linear Accel and Decel, 1 to 60 seconds
- Jumper selectable armature voltage, tachometer voltage (7 to 50 VDC/1000 RPM), or encoder (60 or 300 PPR) feedback
- Encoder power supply, +12 VDC @ 100 mA, terminal strip accessible
- Tachometer and encoder feedback are insensitive to direction of motor rotation
- Inner current loop for fast stable response
- Hard firing, high frequency, multi-pulse gating circuit for reliable SCR firing over a wide range of speed and load characteristics
- Armature current range selectable by jumper
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- Velocity or torque mode operation selectable
- Built-in Torque/Taper control function with provision for external torque pot.
- Jog Delay to allow rapid jogging without de-energizing the line contactor to extend contactor life
- Internal jogging pot. for adjustment of Jog Speed
- Jumper selection to allow summing input to be clamped or not clamped in the Jog Mode
- Auto Mode for 4 to 20 mA input for process
- Summing input with on board trim pot. to allow voltage summing with speed reference
- Terminal strip access to Accel/Decel output, Velocity Loop output and Current Loop input for systems interface
- Depluggable signal input terminals for all customer connections
- Dynamic braking (models with D.B. only)
- Power On/Off switch (enclosed models only)
- Membrane switch control panel for Start, Stop and Jog pushbuttons (enclosed models with control panel only)
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General Description • Standard Features • Specifications • Model Ratings/Dimensions • Connections
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BLAZER® Series
1/4 – 5 HP Isolated DC Motor Drives
