Overload Protection | Baldor VS1MD instruction

Table 9.2 – Corrective Actions

Electronic	•	Motor has	•	Reduce load and/or
Thermal		overheated.		duty cycle.
		overheated.		duty cycle.
	•	Load is greater than	•	Change drive with
		inverter rating.		higher capacity.
	•	ETH level is set too	•	Adjust ETH level to an
		low.		appropriate level.
	•	Drive capacity is	•	Select correct drive
		incorrectly selected.		capacity.
External fault A	•	The terminal set to “18	•	Eliminate the cause of
contact input		(External fault-A)” or		fault in the circuit
		(External fault-A)” or		fault in the circuit
		“19 (External fault-B)”		connected to external
External fault B		in t1-t8 within terminal.		fault terminal.
External fault B
contact input
Operating	•	No frequency	•	Check the wiring of V1
method when		command is applied to		and I and frequency
the frequency		command is applied to		and I and frequency
the frequency		V1 and I.		reference level.
command is		V1 and I.		reference level.
lost
Remote	•	Communication error	•	Check for connection
keypad		between drive keypad		of communication line
communication		between drive keypad		of communication line
communication		and remote keypad.		and connector.
error		and remote keypad.		and connector.
			•	Call Baldor-Reliance
				for assistance.
EEP: Parameter save error
HWT: Hardware fault
Err: Communication error
COM: Keypad error
NTC: NTC error

9.7Overload Protection

IOLT : IOLT(inverter Overload Trip) protection is activated at 150% of the inverter rated current for 1 minute and greater.

OLT : OLT is selected when F56 is set to 1 and activated at 200% of F57[Motor rated current] for 60 sec in F58. This can be programmable.

Troubleshooting

9-9

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.

Baldor VS1MD instruction manual Overload Protection

Models: VS1MD

9.7Overload Protection

VS1MD specifications