vi

Index to Warnings and Cautions in This Manual

WARNING: “Suitable for use on a circuit capable of delivering not

........ 2–12

more than 5,000 rms symmetrical amperes, 240 V maximum.” For

 

models with suffix N or L.

 

HIGH VOLTAGE: Be sure to ground the unit. Otherwise, there is a

........ 2–12

danger of electric shock and/or fire.

 

HIGH VOLTAGE: Wiring work shall be carried out only by quali-

........ 2–12

fied personnel. Otherwise, there is a danger of electric shock and/or

 

fire.

 

HIGH VOLTAGE: Implement wiring after checking that the power

........ 2–12

supply is off. You may incur electric shock and/or fire.

 

HIGH VOLTAGE: Do not connect wiring to an inverter or operate

........ 2–12

an inverter that is not mounted according the instructions given in

 

this manual. Otherwise, there is a danger of electric shock and/or

 

injury to personnel.

 

WARNING: Make sure the input power to the inverter is off. If the

........ 2–16

drive has been powered, leave it off for five minutes before continu-

 

ing.

 

Wiring - Cautions for Electrical Practices

CAUTION: Be sure that the input voltage matches the inverter

........ 2–14

specifications: • Single/Three phase 200 to 240 V 50/60 Hz (up to

 

2.2kW) • Three phase 200 to 230V 50/60Hz (above 2.2kW) • Three

 

phase 380 to 460 V 50/60Hz

 

CAUTION: Be sure not to input a single phase to a three-phase-

........ 2–14

only type inverter. Otherwise, there is the danger of fire.

 

CAUTION: Be sure not to connect an AC power supply to the

........ 2–14

output terminals. Otherwise, there is the danger of injury and/or

 

fire.

 

Power Input

Power Output

(L)

(N)

T1

T2

T3

L1 L2 L3

U

V

W

NOTE:

L, N: Single-phase 200 to 240V 50/60 Hz

L1, L2, L3: Three-phase 200 to 240V 50/60 Hz Three-phase 380 to 460V 50/60 Hz

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Hitachi L100 instruction manual Wiring Cautions for Electrical Practices, Index to Warnings and Cautions in This Manual

L100 specifications

The Hitachi L100 series is a versatile range of variable frequency drives (VFDs) designed to enhance performance in various industrial applications. Known for their reliability and efficiency, these drives are widely used in motors for pumps, fans, compressors, and conveyors.

One of the main features of the Hitachi L100 is its impressive control capabilities. The drive supports both scalar and vector control modes, allowing for precise speed and torque management. This flexibility ensures optimal motor performance across different load conditions. Additionally, the L100 series offers an impressive speed range, which can accommodate a wide variety of applications, from low-speed to high-speed requirements.

The L100 is equipped with built-in functionality for energy saving. By utilizing advanced control algorithms and auto-tuning features, the drive optimizes energy consumption, reducing operational costs and contributing to improved overall system efficiency. The energy-saving mode is particularly beneficial in applications where load conditions frequently change.

Another hallmark of the Hitachi L100 is its robust communication capabilities. The drive supports various communication protocols including Modbus and Ethernet, making it easy to integrate into existing control systems. This connectivity allows for real-time monitoring and diagnostics, which aids in predictive maintenance and minimizes downtime.

In terms of user-friendliness, the L100 series includes a clear, intuitive keypad that simplifies programming and operation. The drive also features a wide range of customizable parameters, enabling users to easily tailor the settings to suit specific application requirements. Additionally, the inclusion of a customizable PID controller allows users to refine process control automatically.

Safety is a priority in the design of the Hitachi L100. The drive comes with various built-in safety features such as overvoltage, overload, and short-circuit protection, ensuring reliable operation in challenging environments. Furthermore, it complies with global safety standards, making it suitable for international applications.

Lastly, the L100's compact design ensures easy installation and minimizes the space required in control cabinets. This is especially advantageous in facilities where space is at a premium. Overall, the Hitachi L100 series represents a combination of advanced technology, user-friendly features, and reliable performance, making it a popular choice for industrial automation solutions.