3–30

“C” Group: Intelligent Terminal Functions

Configuring

Drive Parameters

 

 

Input Function Summary Table

Option

Terminal

Function Name

 

Description

Code

Symbol

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

SFT

Software Lock

ON

The keypad and remote programming

 

 

 

 

devices are prevented from changing param-

 

 

 

 

eters

 

 

 

 

 

 

 

 

OFF

The parameters may be edited and stored

 

 

 

 

 

16

AT

Analog Input

ON

Terminal OI is enabled for current input

 

 

Voltage/current

 

(uses terminal L for power supply return)

 

 

Select

 

 

 

 

OFF

Terminal O is enabled for voltage input (uses

 

 

 

 

 

 

 

terminal L for power supply return)

 

 

 

 

 

18

RS

Reset Inverter

ON

The trip condition is reset, the motor output

 

 

 

 

is turned off, and powerup reset is asserted

 

 

 

 

 

 

 

 

OFF

Normal power-on operation

 

 

 

 

 

19

PTC

PTC Thermistor

ANLG

When a thermistor is connected to terminals

 

 

Thermal Protection

 

5 and L, the inverter checks for over-

 

 

 

 

temperature and will cause trip event and

 

 

 

 

turn off output to motor

 

 

 

 

 

 

 

 

OPEN

A disconnect of the thermistor causes a trip

 

 

 

 

event, and the inverter turns off the motor

 

 

 

 

 

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Image 86
Hitachi L100 Keypad and remote programming, Devices are prevented from changing param, Eters, Normal power-on operation
Page 85 Page 87

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.
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