Hitachi L100 Specifications of Control and Logic Connections, Analog Logic Inputs Output Outputs

Models: L100

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L100 Inverter

4–5

Specifications of Control and Logic Connections

The control logic connectors are located just behind the front panel half-door. The relay contacts are accessible behind the main door. Connector labeling is shown below.

Logic inputs

L 5 4 3 2 1 P24

 

H O OI

L FM CM2 12 11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Analog

 

 

 

 

 

Analog

Logic

 

Inputs

Output

outputs

AL0 AL1 AL2

Relay

contacts

Specifications for the logic connection terminals are in the following table:

Terminal Name

Description

Ratings

 

 

 

 

 

 

P24

+24V for logic inputs

24VDC, 30 mA max (do not short to terminal L)

 

 

 

1, 2, 3, 4, 5

Discrete logic inputs

27VDC max. (use P24 or an external supply refer-

 

 

enced to terminal L)

 

 

 

L (top row) *1

GND for logic inputs

sum of input 1-6 currents (return)

 

 

 

11, 12

Discrete logic outputs

50mA maximum ON state current,

 

 

27 VDC maximum OFF state voltage

 

 

 

CM2

GND for logic outputs

100 mA: sum of 11 and 12 currents (return)

 

 

 

FM

PWM (analog/digital) output

0 to 10VDC, 1 mA, PWM and 50% duty digital

 

 

 

L (bottom row) *1

GND for analog inputs

sum of OI, O, and H currents (return)

 

 

 

OI

Analog input, current

4 to 19.6 mA range, 20 mA nominal

 

 

 

O

Analog input, voltage

0 to 9.6 VDC range, 10VDC nominal,

 

 

input impedance 10 k

 

 

 

H

+10V analog reference

10VDC nominal, 10 mA max

 

 

 

AL0

Relay common contact

250 VAC, 2.5A (R load) max.,

 

 

250 VAC, 0.2A (I load, P.F=0.4) max.

AL1

Relay contact, normally

100 VAC, 10mA min.

 

closed during RUN

 

30 VDC, 3.0A (R load) max.

 

 

AL2

Relay contact, normally open

30 VDC, 0.7A (I load, P.F.=0.4) max.

 

during RUN

5 VDC, 100mA min.

 

 

 

Operations and Monitoring

Note 1: The two terminals “L” are electrically connected together inside the inverter.

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Hitachi L100 instruction manual Specifications of Control and Logic Connections, Analog Logic Inputs Output Outputs

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.