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4.5. Examples of the use of communication commands

Here are some examples of the use of communication commands provided for the VF-AS1 series of inverters.

Inverter numbers and checksum used in ASCII mode are omitted from these examples.

„Examples of communication

-To run the motor in forward direction with the frequency set to 60 Hz from the computer <ASCII mode>

Computer Inverter

Inverter Computer

(PFA011770)CR

(PFA011770)CR …Set the operation frequency to 60 Hz.

 

 

 

(60 / 0.01 Hz = 6000 = 1770H)

(PFA00C400)CR

(PFA00C400)CR …Set to “forward run” with commands and frequency

 

 

 

instruction from the computer enabled.

<Binary mode>

 

 

Computer Inverter

Inverter Computer

2F

50 FA 01 17 70 01

2F

50 FA 01 17 70 01

2F

50 FA 00 C4 00 3D

2F

50 FA 00 C4 00 3D

-To monitor the output frequency (during 60 Hz operation) <ASCII mode>

Computer Inverter

Inverter Computer

(RFD00)CR

(RFD001770)CR …Set the operation frequency to 60 Hz.

 

(600.01Hz=6000=1770H)

<Binary mode>

 

Computer Inverter

Inverter Computer

2F 52 FD 00 7E

2F 52 FD 00 17 70 05

-To monitor the status of the inverter <ASCII mode>

Computer Inverter

Inverter Computer

(RFD01)CR

(rFD010003)CR

…For details on statuses, see 8.2 “Monitoring from

 

 

the computer.” (Stop status, FL output status, trip

 

 

status (r command))

<Binary mode>

 

 

Computer Inverter

Inverter Computer

2F 52 FD 01 7F

2F 72 FD 01 00 03 A2

- To check the trip code (when the inverter is tripped because of )

 

…For details on trip codes, see “Trip code monitor” in 8.2, “Monitoring

 

from the computer.” (18H = 24d “” trip status)

<ASCII mode>

 

Computer Inverter

Inverter Computer

(RFC90)CR

(rFC900018)CR

<Binary mode>

 

Computer Inverter

Inverter Computer

2F 52 FC 90 0D

2F 72 FC 90 00 18 45

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Toshiba RS485 Examples of the use of communication commands, From the computer H = 24d  trip status, RFC90CR

RS485, VF-AS1 Series specifications

The Toshiba VF-AS1 Series represents a significant advancement in the realm of variable frequency drives (VFDs), designed for various industrial applications that demand precision, efficiency, and reliability. With support for RS485 communication, the VF-AS1 Series fosters seamless integration into complex automation systems, making it the perfect choice for modern manufacturing environments.

One of the standout features of the Toshiba VF-AS1 Series is its versatile communication capabilities. The built-in RS485 port allows for easy connectivity with a range of devices, including PLCs (Programmable Logic Controllers) and HMIs (Human-Machine Interfaces). This ensures real-time monitoring and control of motor functions, enhancing operational efficiency and data analysis.

The VF-AS1 Series is engineered with advanced control technologies that provide exceptional motor performance. It incorporates vector control algorithms that optimize torque and speed regulation for both standard and permanent magnet motors. This results in precise motor control across a wide range of speeds and load conditions, ensuring optimum performance and energy savings.

Another noteworthy characteristic is its user-friendly interface. The VF-AS1 features a clear LCD display that allows for easy navigation and configuration. This intuitive design minimizes the learning curve for operators and technicians, facilitating quick setup and adjustments. Additionally, the series supports various programming options, catering to both novice users and experienced professionals.

Energy efficiency is a key priority in the design of the VF-AS1 Series. The drives are equipped with energy-saving features that help reduce overall power consumption and operational costs. With built-in sleep modes and dynamic energy feedback, these drives optimize energy usage based on demand, making them suitable for both constant and variable load applications.

In terms of safety and protection, the VF-AS1 Series incorporates various built-in safeguards, including overvoltage, undervoltage, and overcurrent protection. This comprehensive approach to safety not only protects the drive itself but also ensures the longevity of connected equipment.

Overall, the Toshiba VF-AS1 Series, with its robust feature set, advanced technologies, and focus on energy efficiency, proves to be a reliable choice for a wide range of industrial applications. Its integration of RS485 communication allows for enhanced connectivity and control, making it an excellent solution for modern automation needs.