Func Name Description Time Units Edit Code, Boost

3–14

“A” Group: Standard Functions

Configuring	Drive Parameters

The following table shows the methods of torque control selection.

	“A” Function		Run-	Defaults		DOP,DRW,DOP+
			Run-
Func.	Name	Description	time	EU/	Units	Func.	Name
Func.			Edit	EU/		Func.
Code			Edit	US		Code
Code				US		Code


A41	Torque boost method	Two options:	✘	00	—	F-50	V-BOOST
	selection	00 ...Manual torque boost					MODE
		01 ...Automatic torque boost

A42	Manual torque boost	Can boost starting torque	✔	11	—	F-50	V-BOOST
	value	between 0 and 99% above					CODE
		normal V/F curve, from 0 to
		1/2 base frequency

A43	Manual torque boost	Sets the frequency of the V/F	✔	10	%	F-50	V-BOOST
	frequency adjustment	breakpoint A in graph (top of					F
		previous page) for torque boost

A44	V/F characteristic	Two available V/F curves;	✘	0	—	F-04	Control
	curve selection	three select codes:
		00 ...Constant torque
		01 ...Reduced torque

A45	V/F gain setting	Sets voltage gain of the inverter	✔	100	%	Mon.	V-GAIN
		from 20 to 100%

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.

Hitachi L100 instruction manual Func Name Description Time Units Edit Code, Boost, Gain

Models: L100

Configuring

“A” Function

DOP,DRW,DOP+

Func.

Name

Description

time

Units

Edit

Code

V-BOOST

CODE

V-GAIN

L100 specifications