KL3351-0000

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The KL3351-0000 module features two inputs for one resistor bridge, a signal voltage range of -16 to +16 mV, a 16-bit resolution, and an internal resistance greater than 1 MΩ for UD. As part of the KL Analog Input Series manufactured by Beckhoff, it operates over a temperature range of 0 to +55°C.

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Product Description:

The KL3351-0000 from Beckhoff belongs to the KL Analog Input Series. This is a special input module with 2 inputs for 1 resistor bridge. Measuring applications, which need high-resolution input signals, make this module especially suitable. Its configurable range of signal voltage Ud is -16 to +16 mV, and its reference signal voltage is ±10 V. As Uref's internal resistance is larger than 200 kΩ, and Ud is larger than 1 MΩ, the readability will be definitely reliable, and therefore, the KL3351-0000 is excellent for industrial environments in which stability of measurements in analog must be guaranteed.

The KL3351-0000 analog input module has a programmable conversion time less than 250 ms, allowing the sampling rate to be changed at will. The A/D conversion is also done with a high resolution of 16-bit, meaning the analog voltages are represented very accurately. The device also offers a programmable 50 Hz filter, so it may be used with a wide range of input signals and filtering needs. This module also features a low measurement error of less than ±0.1% of the full scale, with high accuracy throughout its input range. In terms of power, the device is powered via the K-bus, using a typical current of 65 mA and makes no demand for external power contacts.

With a weight of approximately 70 g, the KL3351-0000 boasts an integrated bridge supply and works on 5 V DC with a max current of 20 mA, primarily targeted for applications where resistor bridges need to be powered. The module counts with 2 x 16-bit data inputs for robust data representation. The possibility of also allowing 2 x 8-bit control/status further unleashes opportunities.

Bit Width In The Process Image
input: 2 x 16 bit data (2 x 8 bit control/status optional)
Conversion Time
< 250 ms, configurable
Current Consumption K-bus
typ. 65 mA
Current Consumption Power Contacts
– (no power contacts)
Filter
50 Hz, configurable
Internal Resistance
> 200 kΩ (UREF), > 1 MΩ (UD)
Measurement Error/uncertainty
< ±0.1% (relative to full scale value)
Number Of Inputs
2, for 1 resistor bridge
Power Supply
via the K-bus
Power Supply Uv
5 V DC, max. 20 mA
Resolution
16 bit
Signal Voltage Ud
-16…+16 mV, configurable
Signal Voltage Uref
±10 V
Special Features
with internal bridge supply
Weight
approx. 70 g
  • KL3351

Frequently Asked Questions about KL3351-0000:

Q: What is the power supply requirement for KL3351-0000?

A: The KL3351-0000 is powered via the K-bus.

Q: What is the signal voltage range for KL3351-0000?

A: It has a configurable signal voltage range of -16…+16 mV.

Q: What is the current consumption of KL3351-0000?

A: Current consumption is typically 65 mA from the K-bus.

Q: What is the conversion time of KL3351-0000?

A: Conversion time is configurable and can be less than 250 ms.

Q: What is the resolution of KL3351-0000?

A: The resolution of KL3351-0000 is 16 bits.


Internal Product Review

  • ‘‘The Beckhoff KL3351-0000 delivers accurate measurements in industrial environments. Its stable energy flow ensures consistent performance, making it a dependable tool for professionals who require precise signal handling in automation systems.’’

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