KL3041

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The Beckhoff KL3041 module, part of the KL Analog Input Modules series, features a single analog input with a signal current range of 0 to 20 mA. It delivers a 12-bit resolution and a conversion time of approximately 1 ms. The module weighs about 70 grams and operates within a temperature range of 0 to 55°C.

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Product Description:

The model KL3041 is a 1 Channel Analog Input Bus Terminal for current measurement. It supports a 0 – 20 mA signal range with 12-bit resolution. The module offers electrical isolation, fast conversion, and sensor supply for automation systems requiring reliable current signal acquisition.

The KL3041 bus terminal supplies power to field transducers and transmits isolated analog measurement signals to automation devices. The model weighs about 70 grams that makes it compact and easy to install in various setups. It operates with a 24 V DC power supply provided via power contacts. Its internal resistance is specified as 80 ohms plus a diode voltage of 0.7 V. The bus terminal provides electrical isolation up to 500 V between the K bus and the signal inputs. This ensures safe and interference free operation in industrial environments. It supports a signal current measurement range from 0 to 20 mA that enables direct connection of standard industrial sensors and transmitters. An integrated sensor supply function delivers the necessary auxiliary voltage to connected sensors. This eliminates the need for external power sources and supporting a wide range of two wire and three wire sensor configurations. The device consumes a typical current of 65 mA from the K-bus during operation. Surge voltage resistance is rated up to a maximum of 35 V. The KL series bus terminal has a measurement error or uncertainty of less than ± 0.3 % relative to the full scale value.

The Beckhoff KL3041 bus terminal’s bit width in the process image is structured as 1 × 16 bit data input with an optional 1 × 8-bit control/status input. It ensures robust performance through a clearly defined structure. The module employs single ended input technology which simplifies wiring and reduces system complexity.

Conversion Time
~ 1 ms
Current Consumption K-bus
typ. 65 mA
Internal Resistance
80 Ω + diode voltage 0.7 V
Measurement Error/uncertainty
< ±0.3% (relative to full scale value)
Number Of Inputs
1
Operating Temperature
0…55°C
Power Supply
24 V DC via power contacts
Resolution
12 bit
Signal Current
0…20 mA
Storage Temperature
-25…+85°C
Surge Voltage Resistance
max. 35 V
Weight
approx. 70 g

Frequently Asked Questions about KL3041:

Q: How does the KL3041 bus terminal maintain reliable signal transmission in industrial automation?

A: The KL3041 bus terminal uses electrical isolation rated up to 500 V for stable signal transfer. It prevents voltage interference between the K-bus and the signal voltage during operation.

Q: Why is the 12-bit resolution important in the Beckhoff KL3041 for current measurement?

A: The KL3041 bus terminal offers precise analog signal acquisition with its 12-bit resolution. It ensures accurate conversion of 0–20 mA current signals into digital data for automation systems.

Q: How does the KL3041 bus terminal ensure continuous field transducer operation during current acquisition?

A: The Beckhoff KL3041 supplies sensor power independently of the power contact voltage. It guarantees uninterrupted signal acquisition without affecting field device performance.

Q: What feature of the KL3041 enhances error detection during field operation?

A: The KL3041 bus terminal includes built-in error LEDs for overload and broken wire detection. These indicators immediately highlight faults and enhance troubleshooting in complex automation systems.

Q: How does the compact 70-gram weight of the Beckhoff KL3041 benefit industrial setup integration?

A: The KL3041 bus terminal has a lightweight design making it easy to mount in tight spaces. It supports flexible and dense installations in modern automation panels.


Internal Product Review

  • ‘‘The Beckhoff KL3041 bus terminal delivers high accuracy with less than ±0.3% measurement error. It features 12-bit resolution, a compact 70-gram design, and surge voltage resistance up to 35 V. it also supports 1 × 16 bit data input and sensor supply function. Its 500 V isolation ensures reliable industrial integration.’’

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