KL3681

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The KL3681 is an analog input module designed for DC brushless motors with an output current of up to 8A. Manufactured by Beckhoff as part of the KL Analog Input Modules, it operates at a rated voltage of 24 V DC. Featuring an incremental encoder interface, it supports PWM frequencies up to 32 kHz and weighs approximately 120 grams.

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Product Description:

The KL3681 is an analog input module designed for use with DC brushless motors, providing essential functionality for motion control applications. It is part of the KL Analog Input Modules series and supports an output current of up to 8 A. Featuring a differential incremental encoder interface (5 V, RS422), this module is designed for accurate motor control. The module also includes 2 digital inputs and 2 digital outputs, providing enhanced control capabilities for various usage scenarios. It operates with a rated voltage of 24 V DC (via power contacts). Further simplifying integration, it has a terminal current consumption (electronics) of approximately 110 mA, with a current consumption from power contacts of motor current + max. 120 mA.

The KL3681 comes ready to connect to a broad spectrum of industrial tools through its range of input, output, and interface capabilities. This device is specialized for working with DC Brushless motor and comes with a variable PWM frequency up to 32 kHz providing flexibility. This module includes a differential incremental encoder (5 V, RS422) which is crucial for precise motor position feedback, enabling real time adjustments throughout operations. This module supports various applications such as in automation systems. It also features 2 digital inputs and 2 digital outputs, which add additional control capabilities when integrating peripheral devices.

The KL3681 is designed to operate within an operating temperature range of 0…+55 °C, making it suitable for industrial environments. The module is certified with CE, UL, and ATEX approvals, ensuring compliance with international standards for safety and performance though regulatory requirements by industrial safety standards. It supports a wide range of applications given its DC Link Voltage range of 8…48 V DC, which is suitable for varied power architectures and designs, and provides reliable operation.

Approvals
CE, UL, ATEX
Current Consumption From Power Contacts
motor current + max. 120 mA
Dc Link Voltage
8…48 V DC
Dimensions (w X H X D)
24 mm x 100 mm x 70 mm
Encoder Interface
differential incremental encoder (5 V, RS422)
Load Type
DC Brushless motor
Number Of Channels
1
Number Of Digital Inputs
2
Number Of Digital Outputs
2
Operating Temperature
0…+55 °C
Output Current
up to 8 A
Pwm Frequency
variable, up to 32 kHz
Rated Voltage
24 V DC (via power contacts)
Terminal Current Consumption (electronics)
approx. 110 mA
Weight
approx. 120 g

Frequently Asked Questions about KL3681:

Q: What type of motor is the KL3681 module designed for?

A: The KL3681 module is designed for DC brushless motors.

Q: What is the maximum output current supported by the KL3681 module?

A: The KL3681 module supports an output current of up to 8 A.

Q: What kind of encoder interface does the KL3681 module feature?

A: The KL3681 module features a differential incremental encoder interface (5 V, RS422).

Q: What is the approximate weight of the KL3681 module?

A: The KL3681 module weighs approximately 120 grams.

Q: What is the rated voltage required for the KL3681 module to operate?

A: The KL3681 module operates at a rated voltage of 24 V DC via power contacts.


Internal Product Review

  • ‘‘KL3681 analog input module excels in controlling DC brushless motors with its high current output and encoder interface. Its compact size and versatile features make it ideal for advanced motion control applications.’’

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