C.6.2.5 Acknowledge Response:

ACK

Drive No

CMD

Data

SUM

EOT

 

 

 

 

 

 

06h

“01” to “1F”

“W”

“XXXX…”

“XX”

04h

1:byte

2:bytes

1:byte

n * 4 bytes

2 bytes

1

Total bytes = 7 + n * 4 = Max 39

Note: When Request for Write and Acknowledge Response is exchanged between PC and Inverter for the first time, previous data is returned. From subsequent transmissions, the current data will be returned.

C.6.2.6 Negative Response:

NAK

Drive No

CMD

Error code

SUM

EOT

 

 

 

 

 

 

15h

“01” to “1F”

“W”

“**”

“XX”

04h

1 byte

2 bytes

1 byte

2 bytes

2 bytes

1

Total bytes = 9

C.6.2.7 Request for Monitor Register

This is useful when constant parameter monitoring and data updates are required.

Request for Register of ‘n’ numbers of Address (not consecutive)

ENQ

Drive No

CMD

Number of address to

Addres

SUM

EOT

 

 

 

read

s

 

 

 

 

 

 

 

 

 

05h

“01” to

“X”

“1” to “8”=n

“XXXX

“XX”

04h

1 byte

2 bytes

1

1 byte

n * 4

2 byte

1

Total bytes = 8 + n * 4 = Max 40

C.6.2.8

Acknowledge Response:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACK

 

Drive No

 

CMD

 

 

SUM

 

EOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

06h

 

“01” to “1F”

 

“X”

 

 

 

“XX”

 

04h

 

1 byte

 

2 bytes

 

1 byte

 

2 bytes

1 byte

 

Total bytes = 7

 

 

 

 

 

 

 

 

 

C.6.2.9

Negative Acknowledge Response:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NAK

Drive No

 

CMD

 

Error code

SUM

 

EOT

 

 

 

 

 

 

 

 

 

 

 

 

15h

“01” to “1F”

 

“X”

 

“**”

 

“XX”

 

04h

 

1 byte

2 bytes

 

1 byte

 

2 bytes

 

2 bytes

 

1 byte

Total bytes = 9

RS485 Protocol

C-7

Page 161
Image 161
Baldor VS1MD instruction manual Negative Response, Request for Monitor Register, Negative Acknowledge Response

VS1MD specifications

The Baldor VS1MD is a state-of-the-art variable speed drive designed for demanding applications requiring seamless control of induction motors. This drive exemplifies Baldor’s commitment to providing efficient and reliable solutions for industrial automation. Balancing user-friendliness with advanced engineering, the VS1MD addresses the needs of both new installations and retrofitting existing systems.

One of the most notable features of the VS1MD is its compact design. Engineered to save space without compromising performance, this drive can fit into tight installations, making it an ideal choice for crowded panels or machinery. The drive is available in a range of power ratings, accommodating various motor sizes and operational requirements.

The VS1MD incorporates advanced digital signal processing technology, ensuring precise control of motor speed and torque. The adaptive control algorithm optimizes performance across varying load conditions, resulting in smoother operation and improved energy efficiency. This technology not only enhances performance but also enhances the drive’s lifespan by minimizing stress on the motor and related components.

User interface is another strong point of the VS1MD. The drive features a clear display and intuitive controls, allowing for easy setup and troubleshooting. Operators can easily navigate through various parameters, ensuring quick adjustments and fine-tuning to meet specific performance needs.

For enhanced connectivity, the VS1MD includes multiple communication options such as Modbus RTU and CANopen protocols. This flexibility enables integration into existing networks and facilitates communication with other automation devices. The drive can also be seamlessly connected to centralized control systems, allowing for comprehensive monitoring and management.

Safety features are paramount in ensuring reliable operation in industrial environments. The Baldor VS1MD includes built-in protection mechanisms against common issues such as overvoltage, overcurrent, and overheating. These safety measures safeguard both the drive and the motor, reducing the likelihood of costly downtime and repair.

Furthermore, the VS1MD is designed with energy efficiency in mind. It can contribute to significant energy savings, reducing operational costs while promoting a greener approach to industrial processes. This drive effectively meets the requirements of industries that prioritize sustainability alongside performance.

In conclusion, the Baldor VS1MD is a versatile and powerful variable speed drive that stands out due to its compact design, advanced control technologies, user-friendly interface, robust safety features, and energy-saving capabilities. It is an exemplary choice for industries looking to enhance their automation processes with reliable and efficient motor control solutions. Whether applied in manufacturing, HVAC, or other sectors, the VS1MD proves to be a valuable asset for optimizing operational performance.