In-Stock, Ships in 3 Days
Part Number:

KL3021-0000

Manufacturer: Beckhoff
Series: KL Analog Input Series

Current response time:

6 Minutes

13 Seconds

  • Rated 4.3 (6 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The KL3021-0000 analog input module features a signal current range of 4…20 mA, a resolution of 12 bits, an internal resistance of 80 ohms plus diode voltage 0.7V, and a conversion time of approximately 1 ms. As part of the KL Analog Input Series from Beckhoff, it operates with a power supply via the K-bus.

In-Stock, Ships in 3 Days
Part Number:

KL3021-0000

Manufacturer: Beckhoff
Series: KL Analog Input Series

Current response time:

5 Minutes

4 Seconds

  • Rated 4.3 (6 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The KL3021-0000 analog input module features a signal current range of 4…20 mA, a resolution of 12 bits, an internal resistance of 80 ohms plus diode voltage 0.7V, and a conversion time of approximately 1 ms. As part of the KL Analog Input Series from Beckhoff, it operates with a power supply via the K-bus.

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Product Description

The KL3052-0012 PLC programming terminal is made by Beckhoff and is meant to work with industrial automation systems that need to measure current and change signals accurately. Beckhoff is known for coming up with new ways to use automation technology that works well in a number of control and tracking situations. The terminal’s small size and sturdy construction make it a good choice for fields that need to handle data accurately and dependably.

There are two single-ended input channels on the KL3052-0012 PLC programming terminal that support a signal current range of 3.5 to 21.5 mA. With a resolution of 12 bits, the terminal ensures the measures are very accurate. The terminal only takes about 2 milliseconds to convert, so data can be processed quickly. Two 16-bit data bits and two 8-bit control or status bits provide precise signal control and feedback in the process image. The terminal keeps its measurement accuracy with an internal resistance of 80 Ω and a diode voltage of 0.7 V. The terminal's diagnostic LEDs show overloads and broken wires, keeping operations operating smoothly, and the terminal needs 65 mA from the K-bus.

The KL3052-0012 has a built-in sensor source that makes it more useful in various situations. The uncertainty of the measurement is less than 0.3% when compared to the full-scale number, which means that the output is accurate. It can withstand up to 35 V of surge voltage, which keeps the terminal safe from damage in tough electrical settings. The terminal is very lightweight, but it is built to work reliably. We offer free replacements for all of our products for a year and ship them worldwide so we can provide reliable customer service and make our products available to people worldwide.

KL3021-0000 Technical Specifications

Number Of Inputs: 1
Current Consumption K-bus: typ. 60 mA
Bit Width In The Process Image: input: 1 x 16 bit data (1 x 8 bit control/status optional)
Weight: approx. 70 g
Operating/storage Temperature: 0…+55°C / -25…+85°C
Vibration/shock Resistance: conforms to EN 60068-2-6/EN 60068-2-27
Emc Immunity/emission: conforms to EN 61000-6-2/EN 61000-6-4
Power Supply: via the K-bus
Signal Current: 4…20 mA
Internal Resistance: 80 Ω + diode voltage 0.7 V
Common-mode Voltage Ucm: max. 35 V
Conversion Time: ~ 1 ms
Resolution: 12 bit
Measurement Error/uncertainty: < ±0.3% (relative to full scale value)
Surge Voltage Resistance: 35 V DC

Frequently Asked Questions about KL3021-0000


Q: How does the KL3021-0000 achieve fast conversion times?

A: The KL3021-0000 achieves a fast conversion time of 1 millisecond. This enables quick data acquisition for responsive control systems.

Q: Why does the KL3021-0000 have 12-bit resolution?

A: The 12-bit resolution allows the KL3021-0000 to provide precise measurements. This enhances accuracy in critical automation processes.

Q: Why does the KL3021-0000 include surge voltage resistance?

A: The surge voltage resistance of 35 V protects the KL3021-0000 from voltage spikes. This ensures stability in varying electrical conditions.

Q: Do the KL3021-0000 dimensions make it space-efficient?

A: Yes, the KL3021-0000 measures 12 mm in width. This compact size allows for easy integration into tight system configurations.

Q: Why does the KL3021-0000 have a 0.3% uncertainty?

A: The measurement uncertainty of less than ±0.3% ensures high accuracy. This makes it reliable for applications requiring precise data.

Internal Product Review

  • ‘‘The Beckhoff KL3021-0000 analog input module delivers high precision with 12-bit resolution and a fast conversion time of 1 ms. It supports 35 V surge resistance and handles common-mode voltages up to 35 V. With its compact 12 mm width, it is space-efficient, making it an excellent choice for control systems.’’

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