Hitachis L300P Series Variable Fre Increased Energy Savings for Your

WIDE RANGE OF APPLICATION SPECIFIC FUNCTIONS

AUTOMATIC ENERGY-SAVING FUNCTION

With its Automatic Energy-saving Function, the L300P delivers “real-time” energy-saving operation for your fan and pump applications. The function insures that motor operates at minimum current in response to the torque required by the load.

Example of Energy Savings (Fan)

 

Operation by Inlet vane

Consumption

and damper

Operation by

 

v/f control

Power

Amount of energy

 

to be saved

Operation by Automatic

Energy-saving Function

Frequency

ENHANCED INPUT/OUTPUT TERMINALS

Three relay output terminals are provided as standard for flexible interface to external control systems.

INTELLIGENT RELAY OUTPUTS

12C 12A 11C 11A AL0 AL1 AL2

NO contact X 2

NO-NC contact X 1

ANALOG OUTPUT MONITOR

In addition to PWM monitor(FM), programmable analog output monitors are also available for both voltage(0-10VDC) and current(4-20mA) at AM and AMI terminals of the L300P.

INTELLIGENT INPUT/OUTPUT TERMINAL SYSTEM

The L300P features an intelligent control terminal system, which allows necessary drive I/O functions to be freely programmed. Input terminals can be selected for either sink or source type logic.

[Sink type logic]

Upper System

FW

L300P

CM1

[Source type logic]

Upper System

+Power Supply

 

 

P24

 

L300P

 

FW

EASY- TO-USE OPERATOR PANEL

L300P's digital operator panel supports various monitoring functions.

 

Output frequency

Intelligent output terminal status

Cumulative power-on time

Output current

Scaled output frequency

Trip event

Rotation direction

Output voltage

Trip history

Process variable, PID feedback

Power

Warning code

Intelligent input terminal status

Cumulative RUN time

 

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Hitachi L300P manual 12C 12A 11C 11A AL0 AL1 AL2, Damper, No contact X, Upper System, +Power Supply

L300P specifications

The Hitachi L300P is a versatile and highly efficient variable frequency drive (VFD) known for its robust performance and reliability across various industrial applications. This drive is part of Hitachi's renowned L-series, designed to provide precise motor control and energy savings, making it a popular choice among engineers and system integrators.

One of the standout features of the Hitachi L300P is its advanced vector control technology. This technology enables the drive to deliver superior torque control and operational efficiency, which is crucial for applications requiring high performance and accuracy. The L300P's sensorless vector control capability allows it to maintain optimal performance even in varying load conditions, ensuring that motors run smoothly and efficiently.

The L300P also boasts a wide input voltage range, accommodating different voltage requirements from 200V to 600V. This flexibility makes it suitable for diverse global applications without the need for voltage converters. Additionally, the drive supports a broad range of output frequencies, allowing for seamless integration with various motor types.

Another significant aspect of the L300P is its built-in PLC functionality. This feature enables users to implement simple control tasks directly within the drive, reducing the need for external controllers and minimizing installation space and complexity. With programmable logic capabilities, users can optimize their processes and add custom functionalities to meet specific operational requirements.

The L300P is equipped with comprehensive protection features, including overcurrent protection, overvoltage protection, and motor stall prevention. These safety mechanisms ensure that the drive and the connected motors remain protected under adverse operating conditions, enhancing system reliability and reducing maintenance costs.

In terms of user interface, the L300P includes an intuitive keypad that allows for easy parameter setting and monitoring. The display provides real-time information about operational status and performance metrics, enabling users to make informed decisions quickly.

Energy efficiency is another key characteristic of the L300P. By utilizing advanced control algorithms and motor management techniques, the drive significantly reduces energy consumption, making it an environmentally friendly choice for industries looking to lower their carbon footprint.

Overall, the Hitachi L300P combines advanced technology, robust performance, and user-friendly features, making it a pivotal component in modern industrial automation and control systems. With its flexibility and efficiency, it stands out as a reliable solution for a wide range of applications, from HVAC systems to conveyor control and beyond.