L100 Inverter

3–33

Output Function Summary Table

Option

Terminal

Function Name

 

Description

Code

Symbol

 

 

 

 

 

 

 

 

 

 

 

 

 

 

05

AL

Alarm signal

ON

when an alarm signal has occurred and has not

 

 

 

 

been cleared

 

 

 

 

 

 

 

 

OFF

when no alarm has occurred since the last

 

 

 

 

clearing of alarm(s)

 

 

 

 

 

Analog Summary Table - this table shows all three functions for the analog output FM (frequency meter) terminal at a glance. Detailed descriptions, related parameters and settings, and example wiring diagrams are in Chapter 4, starting on page 4–24.

Analog Function Summary Table

Option

Terminal

Function Name

Description

Code

Symbol

 

 

 

 

 

 

 

 

 

 

00

A-F

Analog frequency

PWM (pulse-width-modulated) voltage output which has

 

 

monitor

a duty cycle proportional to the inverter output frequency

 

 

 

 

01

A

Analog current

PWM (pulse-width-modulated) voltage output which has

 

 

output monitor

a duty cycle proportional to the inverter output current to

 

 

 

the motor. It reaches 100% duty cycle when the output

 

 

 

reaches 200% of the rated inverter current.

 

 

 

 

02

D

Digital frequency

FM (frequency-modulated) voltage output with a constant

 

 

output monitor

50% duty cycle. Its frequency = inverter output frequency.

 

 

 

 

Drive Parameters

Configuring

 

 

Page 89
Image 89
Hitachi L100 instruction manual Symbol, Analog Function Summary Table Option Terminal Function Name

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.