Mitsubishi introduces the compact D700 inverter
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Mitsubishi Electric Automation Systems product story
Edited by the Engineeringtalk editorial team
Oct 29, 2008
Mitsubishi Electric's D700 inverter range is small but has the power, performance and features normally associated with much larger sized drives.
The D700 is suitable for system builders and manufacturing engineers looking to upgrade existing motor installations and get better performance from their plant.
The product range covers 0.4kW to 7.5kW three phase and 0.1kW to 2.2kW single phase.
The D700 drive can control pumps and fans in applications requiring minimum power consumption and can be used in dynamic high torque applications requiring considerable power output for moving substantial loads, either constantly or intermittently.
Mitsubishi's D700 offers advanced control in one drive package.
Thus, whether an application is high torque or high efficiency, the D700 can match the technical requirements with its range of features.
The D700 uses sensorless vector control and advanced energy optimisation algorithm for the most efficient performance over a range of industrial applications.
This means the drive is constantly adjusting its settings to meet the changing load requirements of the application.
It is easy to install as an upgrade or retrofit.
Mitsubishi has added intelligent threshold control for a situation where the drive is running with no operational output such as a pump running at minimum speed with no real flow requirement, or a conveyor system which is running but totally unloaded for a period of time.
The drive can stop the motor and be ready to come right back to speed using a fast algorithm to negate any demand dwell.
Mitsubishi has also added a drive safety stop within the drive which stops and safely removes the power from the output.
The drive can be fed directly by the system safety network, removing the need for separate contactors to break the mains connection in the event of an emergency.
Mitsubishi's Graphic Operator Terminals connect directly to the communications port.
These can be customised and give graphic-based multi-colour touch screen monitoring and control.
The D700 predicts the life of major components within the drive so that maintenance can be planned and action taken rather than waiting for a potentially costly unscheduled stoppage.
The D700 monitors its own operation and safety, initiating a warning if the cooling fan becomes erratic and monitoring components such as capacitors and semiconductors for age and operational usage to give a predictive life expectancy.
The drive integrates with other micro products from Mitsubishi such as the compact FX3UC programmable logic controller and the GT1020 operator interface.
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