(Note: Place short-circuit bar between PLC and CM1 instead of P24 and PLC)
CM1

CONNECTING TO PLC

Connection with Input Terminals

1.Using Internal Power Supply of The Inverter

(1) Sink type logic

S

P24

 

 

PLC

 

 

FW

 

 

8

1

COM

(2) Source type logic

+

-

DC24V

COM

P24

 

PLC

 

+

FW

-

 

DC24V

8

 

1

SCM1

Hitachi EH-150 series PLC

Inverter

Output Module

 

EH-YT16

 

Hitachi EH-150 series PLC

Inverter

Output Module

 

EH-YTP16

 

2.Using External Power Supply

(1) Sink type logic

 

DC24V

 

S

+

P24

-

 

 

PLC

 

 

+

 

FW

-

 

DC24V

 

8

 

 

1

 

 

COM

CM1

(2) Source type logic

COM +

P24

DC24V

-

PLC

 

 

+

 

FW

-

 

DC24V

 

8

 

 

1

 

S

 

CM1

Hitachi EH-150 series PLC

Inverter

Hitachi EH-150 series PLC

Inverter

Output Module

(Note: Remove short-circuit bar

Output Module

(Note: Remove short-circuit

EH-YT16

between P24 and PLC)

EH-YTP16

bar between P24 and PLC)

(Note: Be sure to turn on the inverter after turning on the PLC and its external power source to prevent the parameters in the inverter from being modified.)

Connection with Output Terminals

(1) Sink type logic

11

12

CM2

COM

DC24V

(2) Source type logic

CM2

DC24V

COM

11

12

Inverter

Hitachi EH-150 series PLC

Inverter

Hitachi EH-150 series PLC

 

Input Module

 

Input Module

 

EH-XD16

 

EH-XD16

26

Page 27
Image 27
Hitachi SJ700B manual Connecting to PLC, Connection with Input Terminals

SJ700B, SJ700 specifications

The Hitachi SJ700 and SJ700B series are renowned variable frequency drives (VFDs) that represent a significant advancement in motor control technology. Designed for industrial applications, these drives offer a versatile solution for managing motor speed, torque, and efficiency in a variety of settings.

One of the main features of the SJ700 and SJ700B series is their compact design. This allows for easy installation and integration into existing systems, which is crucial for minimizing downtime during upgrades or replacements. The drives support multiple mounting orientations, facilitating applications with space constraints.

Another standout characteristic is their advanced control algorithms. The SJ700 series uses vector control technology, which optimizes the performance of both AC and induction motors. This ensures high precision in speed and torque control, making it suitable for processes that require fine adjustments. The drives also feature automatic tuning capabilities, which allow for quick commissioning while minimizing the need for extensive parameter adjustments.

The SJ700 and SJ700B series are designed with energy efficiency in mind. They utilize advanced regenerative braking technology that recovers energy, reducing power consumption and improving overall system efficiency. Furthermore, these drives incorporate energy-saving features that optimize motor operation based on load requirements, contributing to a lower carbon footprint.

These drives come equipped with robust communication capabilities. They support various communication protocols such as Modbus, Profibus, and EtherCAT, making them easily integrable with modern automation systems. This flexibility allows for real-time monitoring and control, enhancing operational visibility and efficiency.

Reliability is another hallmark of the SJ700 series. Built with high-quality components, these drives exhibit excellent thermal management and protection against overvoltage, overload, and short circuits. The SJ700B variant boasts additional features such as enhanced fault diagnostics and improved environmental protection, making it suitable for more demanding applications.

In conclusion, the Hitachi SJ700 and SJ700B series variable frequency drives stand out in terms of compact design, advanced control technologies, energy efficiency, versatile communication options, and robust reliability. These features make them an ideal choice for a wide range of industrial applications, from manufacturing automation to HVAC systems, ensuring optimal performance and cost savings for users.