KL3201-0000 Beckhoff
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The KL3201-0000 analog input module is manufactured by Beckhoff as part of the KL Analog Input Modules series. It supports both 2-wire and 3-wire connection technology and recognizes open circuits. The module measures 100 mm in height, 12 mm in width, and 68 mm in depth, featuring a resolution of 0.1°C per digit and a measurement error of less than ±1°C.
Internal Product Review
The Beckhoff KL3201-0000 is an analog input module designed for RTD temperature measurement with 2-/3-wire connectivity and K-Bus power supply. Support for Pt100 through Ni1000 sensor types and 0.1°C/digit resolution gives this module strong flexibility and clean signal handling in precise temperature applications. Open-circuit recognition and measurement error below ±1°C make the unit a dependable choice for stable thermal monitoring.
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Product Description:
The KL3201-0000 is a single-channel analog input terminal from Beckhoff in the KL Analog Input Modules series. The module converts resistance changes from platinum or nickel RTD elements into digital values for a control system, allowing precise temperature monitoring within distributed I/O stations. Designed for DIN-rail assembly beside other Bus Terminals, the unit provides the interface between the field-mounted sensor and higher-level automation hardware. This makes it suitable for cabinet-based temperature acquisition in machinery that relies on stable thermal feedback for process control and protective interlocks.
It supports 2-wire and 3-wire connection technology, and the default three-wire arrangement compensates for lead resistance in most RTD installations. Internally, the measured value is transmitted in two's complement format so the controller can interpret negative temperatures without additional scaling. The terminal resolves temperature changes at 0.1 °C per digit, and the total measurement deviation remains below ±1 °C across the supported sensor range. One input channel allows direct signal handling for a single probe, while automatic open-circuit recognition flags broken leads to the PLC. Environmental ingress is limited by the terminal's IP20 rating, making it suitable for use inside closed cabinets. Supported sensors include Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Ni1000 elements.
For space-limited racks, the terminal draws its operating power and fieldbus coupling through the K-Bus, eliminating separate wiring. The housing extends only 68 mm from the rail and occupies a frontal width of 12 mm, allowing dense placement of additional Beckhoff terminals in the same row. The local process image uses 1 × 16-bit plus 1 × 8-bit optional for the temperature word and optional status byte, giving the PLC direct access to measured data and diagnostic flags. A height of 100 mm aligns the device with standard I/O rows, and the narrow profile leaves room for neighboring digital and analog terminals when cabinet space is limited.
