KL3042

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The Beckhoff KL3042, part of the KL Analog Input Modules series, features two input channels with a signal current range of 0–20 mA. It includes a 12-bit resolution and a conversion time of approximately 2ms. The module is CE certified and operates within a temperature range of -25°C to +60°C.

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Product Description:

The KL3042 is a load-only industrial control system module. It possesses an internally fixed 80 ohms resistance in parallel with the voltage drop of 0.7 volts for a diode. The two prepare the input signals prior to supplying them to the control system. The circuit helps in repeatable electrical characteristics to sustain changing loads. This module has a voltage rated to 35 volts for added ruggedness in case of transient voltage spikes common in industrial use. The KL3042 module is applied in single load connection applications. It is best suited for simple analog signal processing where power for output control or sensors is not needed.

With load interfacing only, it eliminates signal disturbance and ease of installation. It is stable in performance and facilitates easier diagnostics when reading out analog values. It is available for the integration of systems with K-bus using simple wiring and setup between modules. Optional status indication is also available. It allows for visual observation of the signal or load condition. This enables easy and quick checking and troubleshooting during system maintenance. It can be used in regular panel environments without taking up excessive space. The KL3042 unit can be ideally suited for use in signal termination where ruggedness and precision are most important. It is appropriate where there is a need for safe handling of analog signals with low-level conditioning.

It can be utilized by industrial users in automation systems where simplicity, reliability, and space are the issues at hand. Thanks to surge protection, fixed resistance, and diode voltage control, the KL3042 module provides high-performance performance for load-specific analog signal processing. This makes it a secure choice for engineers who require special, low-complexity analog modules.

Approvals/markings
CE, CCC, UL, ATEX, IECEx, DNV GL
Bit Width In The Process Image
input: 2 x 16 bit data (2 x 8 bit control/status optional)
Conversion Time
~ 2 ms
Current Consumption Power Contacts
load only
Internal Resistance
80 Ω + diode voltage 0.7 V
Measurement Error/uncertainty
< ±0.3% (relative to full scale value)
Number Of Inputs
2
Operating Temperature
-25…+60°C
Power Supply
24 V DC via power contacts
Resolution
12 bit
Signal Current
0…20 mA
Storage Temperature
-40…+85°C
Surge Voltage Resistance
max. 35 V

Frequently Asked Questions about KL3042:

Q: How many analog inputs does the KL3042 support?

A: The KL3042 has 2 analog current inputs.

Q: What signal current range does the KL3042 handle?

A: The KL3042 accepts 0…20 mA input current.

Q: What is the resolution of the KL3042 readings?

A: The KL3042 provides a 12-bit resolution.

Q: What is the power supply method for the KL3042?

A: The KL3042 is powered by 24 V DC through power contacts.

Q: What is the measurement error range of the KL3042?

A: The KL3042 has a measurement error of less than ±0.3%.


Internal Product Review

  • ‘‘The KL3042 holds up well in demanding settings. It processes analog signals with good consistency and doesn’t require much maintenance once configured. It suits applications with multiple inputs and ensures continuous operation. It’s an effective addition to input systems that rely on ongoing data interpretation.’’

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