Chapter 5 ParametersVFD-S Series

2-05Loss of ACI Signal (4-20mA)

 

 

Factory Setting: d0

Settings

d0

Decelerate to 0 Hz

 

d1

Coast to stop and display “EF”

 

d2

Continue operation by last frequency command

 

 

 

This parameter is only effective when the Source of Frequency is commanded by a 4 to

20mA signal. The ACI input is considered lost when the ACI signal falls below 2mA.

2-06Analog Auxiliary Frequency Operation

Factory Setting: d0

Settings

d0

Disable

 

d1

Enable + AVI (0~10V)

 

d2

Enable + ACI (4~20mA)

 

 

 

This parameter is used to determinate that the analog signal to overlap is 0~10V (AVI) or

4~20mA (ACI).

To make sure the short PIN of J1 on the panel is correct position before setting this parameter.

5-30

Revision August 2006, SE08, SW V2.61

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Delta Electronics VFD007S23A manual 05Loss of ACI Signal 4-20mA
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VFD007S23A specifications

Delta Electronics VFD007S23A is a highly versatile and efficient variable frequency drive (VFD) designed to control AC motors and enhance energy savings in various industrial applications. Known for its robust performance, this drive provides precise motor control and has become a preferred choice in industries requiring reliable and efficient motor management.

One of the main features of the VFD007S23A is its compact design, which makes it suitable for installations with limited space. With a compact size of only 200mm in height, 150mm in width, and 110mm in depth, it can be easily integrated into existing systems without needing extensive modifications.

The VFD supports a wide range of input voltages, accommodating 200V to 240V three-phase power supply. It is capable of delivering up to 0.75 kW of power, making it suitable for various applications including fans, pumps, and conveyors. Its adjustable frequency output allows for speed control, enhancing process efficiency and reducing energy consumption.

Equipped with advanced control technologies, the VFD007S23A offers both scalar and vector control modes. Scalar control is ideal for applications where precise speed control is not critical, while vector control provides superior torque performance, making it ideal for applications requiring high acceleration and deceleration. This feature allows users to achieve optimal performance regardless of the application requirements.

Incorporating features such as keypad programming, the VFD includes user-friendly interface allowing for easy setup and adjustments. The drive also supports various communication protocols, including Modbus RTU, enabling seamless integration into existing automation systems.

Another significant characteristic is its built-in protection features, including over-voltage, under-voltage, phase loss, and overload protection. These safety features ensure the durability and reliability of the device, extending its lifespan and minimizing downtime.

Additionally, the VFD007S23A is designed with energy efficiency in mind. It features an energy-saving mode that can reduce energy consumption significantly in variable load applications. By adjusting the motor speed according to the actual load demand, users can achieve lower operational costs while contributing to environmental sustainability.

In conclusion, Delta Electronics VFD007S23A stands out as an efficient and reliable choice for variable frequency drive applications. Its robust design, advanced control technologies, and energy-saving features make it ideal for a wide range of industrial applications, ensuring optimal performance and operational efficiency.
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