KL3314/PL3

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The KL3314/PL3 is a versatile module capable of measuring a range of thermocouple sensor types with a 2-wire connection method. Manufactured by Beckhoff as part of their KL Analog Input Series, it features four inputs powered via the K-bus. The module has a resolution of 0.1°C per digit and a conversion time of approximately 250 ms.

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Product Description:

The KL3314/PL3 from Beckhoff is one of the members of the KL Analog Input Series and is a 4-channel analog input module designed for accurate measurements for thermocouple sensors. This module supports various thermocouple types with the default setting as type K: J, K, L, B, E, N, R, S, T, U. In addition to that, it can also take mV measurements that lie within the measurement range of -30 mV up to ±120 m V and thus suitable for most industrial temperature monitoring applications. The measuring range of the module for the type K thermocouples is -100°C up to +1370°C, which supports standard thermocouples commonly used in most facilities.

The KL3314/PL3 comes with a resolution of 0.1°C per digit meaning high precision can be achieved in temperature measuring. The module also boasts of a measurement error of less than ±0.5% to assure delivering dependable data. Such modules are designed with a wiring fail indication, hence providing additional protection for the users in case connectivity went awry. Through K-bus, there is sufficient power supply provided and therefore easy integration into the Beckhoff system. The conversion time may take approximately 250 ms for on-time update of real-time temperature monitoring.

Designed for industrial use, the KL3314/PL3 works at 0°C to +55°C temperatures and its storage temperature is from -25°C to +85°C. The device also complies with EN 60068-2-6 and EN 60068-2-27 standards on resistance to vibration and shock. In this sense, it has been designed to be reliable in demanding conditions. The module has 4 x 16-bit and, in some variants, optional 4 x 8-bit control/status. Designed by Beckhoff, KL3314/PL3 is the most suitable solution with high reliability for temperature-measuring applications in industrial fields.

Connection method
2-wire
Conversion time
~250 ms
K-bus current consumption
typ. 75 mA
Manufacturer
Beckhoff
Measurement uncertainty
<±0.5% of full-scale
Module type
Analog input
mV measuring range
±30…±120 mV
Number of inputs
4
Operating temperature
0…+55°C
Power supply
via K-bus
Process image bit width
4×16-bit data; 4×8-bit control/status
Resolution
0.1°C per digit
Storage temperature
-25…+85°C
Supported thermocouple types
J,K,L,B,E,N,R,S,T,U
Thermocouple range (Type K)
-100…+1370°C
Vibration/shock resistance
EN60068-2-6/2-27 compliant
Wiring fault indication
yes

Frequently Asked Questions about KL3314/PL3:

Q: How many inputs does the KL3314/PL3 have?

A: The KL3314/PL3 has 4 inputs.

Q: What sensor types does the KL3314/PL3 support?

A: The KL3314/PL3 supports thermocouple types J, K, L, B, E, N, R, S, T, U.

Q: What is the measuring range for the KL3314/PL3?

A: The measuring range for the KL3314/PL3 is defined by the sensor, with type K ranging from -100…+1370°C.

Q: What is the resolution of the KL3314/PL3?

A: The resolution of the KL3314/PL3 is 0.1°C per digit.

Q: What is the operating temperature range for the KL3314/PL3?

A: The operating temperature range for the KL3314/PL3 is 0…+55°C/-25…+85°C.


Internal Product Review

  • ‘‘The Beckhoff KL3314/PL3 is a dependable solution for thermocouple sensor inputs. Its ability to provide efficient energy management ensures reliable performance, making it a valuable asset for temperature measurement in industrial automation.’’

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