B8961 NP-FK1 Kollmorgen
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The Kollmorgen B8961 NP-FK1 is part of the B8000 Brushless Servo Smart Drives series and supports a single axis with a continuous output current of 5 Amps and peak output current of 10 Amps. This drive features eight programmable inputs and outputs, a RS-232C serial interface, and a fan kit voltage of 115 VAC.
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Product Description:
The B8961 NP-FK1 is a brushless servo drive from Kollmorgen in the B8000 Brushless Servo Smart Drives series. Designed to transform mains power into controlled three-phase output, the unit regulates torque, velocity, and position for servo motors in automated cells and other compact machine installations. It bridges motion commands from a PLC to the motor windings while monitoring feedback, making it suitable for packaging stations, indexing tables, electronics assembly tools, and similar single-axis equipment.
The power stage delivers a continuous output of 5 A, which sets the steady-state current available for sustained motion under normal operating loads. During acceleration or load shocks, it can momentarily climb to 10 A, providing extra torque without overstressing components. When supplied from 115 VAC, the drive demands up to 1150 VA; on a 230 VAC line, the ceiling increases to 2300 VA, which helps size fuses and supply wiring. All input energy arrives over a single-phase feed, simplifying wiring in small cabinets. A regulated 5 VDC rail provides 200 mA to the motor encoder, and eight programmable inputs plus eight programmable outputs allow direct connection to external sensors and actuators for local machine interfacing. Because no front panel is fitted, operating parameters are adjusted through the serial port, and an auxiliary fan kit can be installed when cabinet airflow is limited or enclosure temperatures rise.
The drive supports 1 motion channel, so it is intended for single-axis control and straightforward alarm mapping. Thermal protection issues a fault if the heat sink reaches 55 °C, and a second limit predicts motor winding rise to 135 °C to help protect semiconductor junctions and coil insulation during heavy duty cycles. Configuration and status polling occur over the RS-232C interface, allowing setup from a computer without additional hardware and giving direct access to status data.
Frequently Asked Questions about B8961 NP-FK1:
Q: How many axes does the Kollmorgen B8961 NP-FK1 drive control?
A: The B8961 NP-FK1 operates as a single-axis drive, managing one motor per unit.
Q: What is the continuous output current of the B8961 NP-FK1?
A: The B8961 NP-FK1 provides a continuous output current of 5 A to the connected motor, supporting efficient motion control.
Q: What is the peak output current provided by the B8961 NP-FK1 drive?
A: This model features a peak output current of 10 A, enabling short bursts of higher power for demanding applications.
Q: At what temperature does the B8961 NP-FK1 heatsink trigger a shutdown?
A: The heatsink shutdown temperature for the B8961 NP-FK1 is 55 °C, ensuring the drive powers down to protect itself from overheating.
Q: What type of serial communication interface does the B8961 NP-FK1 support?
A: The B8961 NP-FK1 is equipped with an RS-232C serial interface for communication and configuration.
