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New plc patriot / dominax ac drive 3 hp
NEW PLC Patriot / DominAx AC Drive 3 HP NIB
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* Applications:Industrial Automation
* Overload: 8.4 A for 30 secs
Some more features of the Patriot include:
* Maximum and also minimum operating frequencies selectable
* Maximum flux at all speeds
* Programmable voltage boost for additional torque at low speed
* Acceleration and deceleration with programmable ramps
* DC injection braking and dynamic braking with on-board power resistor as standard
* Transient current-limiting by software controlled modification of PWM waveform; steady-state current limiting by frequency control.
* Internal monitoring and protection includes I x t overload, current limit, instantaneous short circuit, earth fault and heatsink overtemperature protection.
* External motor-protection inputs from thermistor and/or thermal relay
* Parameter and diagnostic data saved during power loss for fault diagnosis and quick restart without reprogramming.
* Parameter data input fully digital. No potentiometers and no links to adjust.
* A range of analogue input and output signals for compatibility with non-digital equipment systems
* Control circuits isolated from power circuits.
* Serial communications interconnnectin standard RS485. Software protocol standard ANSI x 328.
* Plug-and-socket connection of power and cotrol wiring ensures rapid and reliable disconnection and reconnection of drives.
* Designed in bookshelf format to optimise cubicle space when utilised in multiple drive systems
-* Designed to operate standard 3-phase induction motors and special high-frequency motors.
* Insulated gate bipolor transistor (IGBT) inverter output bridge for high speed switching and low power consumption.
* Digital control of output bridge by micro-processor and custom-designed ASIC
* Internal control power provided by switch-mode power supply (SMPS) giving regulated control voltage for a wide range of input voltage.
* Choice of four PWM output switching frequencies to match applications.
* Choice of three upperlimits of variable output frequencies up to 480Hz maximum.
* Control terminal board cover.
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