CHAPTER 5

Control Wiring

This chapter describes how to wire the signal and I/O terminal strip for stop, speed feedback, and remote control signals.

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ATTENTION:Apply the rated torque to terminal screws. Loose screws can cause short circuit and malfunction. Tightening the screws too much can damage the terminals and cause short circuit and malfunction.

ATTENTION:Make sure the input power is off before wiring.

ATTENTION:After power supply is switched off following operation, wait at least 10 minutes after LED keypad display is off before you start working on it.

ATTENTION:Applying input power supply to the output terminals U, V and W causes internal inverter damage.

ATTENTION:Use ring terminals with insulated caps when wiring the input power and motor wiring.

ATTENTION:Do not leave wire fragments inside the inverter. Wire fragments can cause faults, breakdowns and malfunctions.

ATTENTION:When more than one motor is connected to one inverter, total wiring length should be less than 200m (656ft). Do not use a 3-wire cable for long distances. Due to increased leakage capacitance between wires, over-current protective feature may operate or equipment connected to the output side may malfunction. In case of long wire length, lower carrier frequency or contact Baldor for recommendations.

ATTENTION:Never short B1 and B2 terminals. Shorting terminals may cause internal inverter damage.

ATTENTION:Do not install a power factor capacitor, surge suppressor or RFI filter in the output side of the inverter. Doing so may damage these components.

5.1Stop Circuit Requirements

ATTENTION:You must provide an external, hardwired emergency stop circuit outside of the drive circuitry. This circuit must disable the

! system in case of improper operation. Uncontrolled machine operation can result if this procedure is not followed. Failure to observe this precaution could result in bodily injury.

In addition to the operational stop, you must provide a hardwired emergency stop external to the drive. The emergency stop circuit must contain only hardwired electromechanical components. Operation of the emergency stop must not depend on electronic logic (hardware or software) or on the communication of commands over an electronic network or link. Note that the hardwired emergency stop you install can be used at any time to stop the drive.

Control Wiring

5-1

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Baldor VS1MD instruction manual Control Wiring, Stop Circuit Requirements
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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.
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