KS3042

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The Beckhoff KS3042, part of the KS Digital Input Modules series, operates with a 24 V DC power supply via power contacts. Its resolution is 12-bit, with an internal resistance of 80 Ω plus a diode voltage of 0.7 V. The module has a protection rating of IP20 and supports operating temperatures from -25 to +60°C.

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Product Description:

Beckhoff is a top manufacturer that produces the KS Digital Input Modules series and KS3042 is a top-selling part number from automation platforms. This module can basically allow two digital inputs for the simultaneous gathering of data from two sensor channels. 24 V DC is the standard power supply due to which the power contacts combine with a standard fieldbus coupler, thus limiting cables. Signal current is from 0 to 20mA, providing dynamic range for a large variety of inherent analog sensors. Due to its 80Ω internal resistance and 0.7V diode voltage rise, the module minimizes current surges and prevents reverse polarity damage.

With an approximate conversion time of 2ms, it enables speedy signal processing for real-time control loops during high-frequency sampling tasks. The module with resolution at 12-bit aids in providing fine-grained measurement steps. In comparison to the full-scale value, the measurement uncertainty is less than ± 0.3 %, which results in precise results for critical sensing applications. The surge voltage resistance peaks at 35 V to protect the module against transient over voltages in noisy environments. The current consumption of the device on the K-bus remains at approximately 65 mA, which enhances system efficiency and reduces power draw on the bus coupler. Motor’s operating temperature ranges from -25°C to 60°C, enables reliable performance in extreme cold and hot field environments.

The KS3042 possesses protection certification of IP20 that guards against solid-object ingress while maintaining ease of access in control cabinets. International approvals include CE, CCC, UL, ATEX, IECEx, and DNV GL, as the results of which confirm compliance with international safety and hazardous-area benchmarks. Essentially, this servo drive has a compact size of 12 mm × 100 mm × 68 mm which enables it to support high-density installations and reduces the amount of panel space required. Polycarbonate material is used for durable housing with chemical resistance to industrial solvents. Installation mounts on a 35 mm DIN rail conforming to EN 60715 which simplifies integration into standard control racks.

Approvals/markings
CE, CCC, UL, ATEX, IECEx, DNV GL
Conversion Time
~2 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
2
Operating Temperature
-25…+60°C
Power Supply
24 V DC via power contacts
Protection Rating
IP20
Resolution
12 bit
Signal Current
0…20 mA
Special Features
with sensor supply
Surge Voltage Resistance
max. 35 V

Frequently Asked Questions about KS3042:

Q: How does KS3042’s dual inputs enhance system diagnostics?

A: The module provides 2 inputs which let users to compare simultaneous sensor readings by catching anomalies quickly and preventing process errors.

Q: What benefit does the 0…20 mA signal current range offer on KS3042?

A: The KS3042 accepts 0…20 mA which covers most industrial current-loop sensors. It also avoids extra signal converters and simplify wiring.

Q: How does the 12 bit resolution improve measurement on KS3042?

A: This input module uses 12-bit resolution which offers 4096 distinct steps. To achieve smoother signal curves, it is best for precise control adjustments.

Q: Will KS3042’s ± 0.3 % uncertainty affect calibration schedules?

A: KS3042 from Beckhoff maintains measurement error under ± 0.3 % FS. It extends further calibration intervals without sacrificing accuracy.

Q: How does the ~2 ms conversion time impact control loop performance?

A: This digital device processes each channel in about 2 ms, thus achieving tight feedback loops that enhance process stability.


Internal Product Review

  • ‘‘Beckhoff made KS3042 variant is a latest digital input module. Its 24 VDC power supply via power contacts integrates seamlessly into existing fieldbus networks which cuts installation time. The unit’s internal resistance plus 0.7 V diode drop protects sensors against reverse wiring faults which boosts system uptime.’’

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