KL5111
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MPN: KL5111-0000
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The KL5111 is an analog input module manufactured by Beckhoff. It is part of the KL Analog Input Modules series and features 1 incremental encoder channel with quadrature decoding and 4-fold evaluation. The module operates with a 24 V DC power supply and has a counter resolution of 16 bits.
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Product Description:
The KL5111 from Beckhoff is a bus terminal that allows users to directly connect 24 V incremental encoders, which is useful for industrial automation. Because the bus terminal can measure position and speed accurately, it can be used in situations that need reliable encoder input.
The KL5111 terminal has a single channel for incremental encoder input that is linked by 24 V DC A, B, and C signal lines. The terminal works with a 16-bit binary counter and a quadrature decoder that allows 4-fold evaluation. It can handle up to 1 million increments per second. Both the encoder's operating voltage and power source are 24 V DC, and the supply can handle changes of -15% to +20%. The bus terminal follows EN 61131-2 for signal levels, where "0" means less than 5 V DC and "1" means more than 15 V DC. Each channel usually draws 5 mA. The terminal is resistant to shaking and shock according to EN 60068-2-6 and EN 60068-2-27. It is also immune to EMC and meets the emission standards of EN 61000-6-2 and EN 61000-6-4.
The KL5111 bus terminal supports a process image with 2 x 16-bit data for input and output, along with 2 x 8-bit control and status bytes. The terminal can transmit the state of the counter quickly to PC, PLC, or CNC systems via a fieldbus. It offers interval measurement with a resolution of 200 ns, and up to 64 incremental encoders can be connected to a single bus coupler. The bus terminal carries multiple approvals, including CE, UKCA, cULus, EAC, and ATEX, and operates in ambient temperatures from 0°C to 55°C. The terminal includes signal LEDs for encoder input status and provides enhanced mechanical load capacity.
Frequently Asked Questions about KL5111:
Q: Why does KL5111 support 24 V DC encoders?
A: The bus terminal is designed for direct connection with 24 V DC incremental encoders that are common in automation. This ensures compatibility and stable signal transmission.
Q: Does KL5111 provide quadrature decoding?
A: The bus terminal features a 4-fold quadrature decoder that enables accurate position and direction detection from incremental encoder signals.
Q: How does KL5111 handle high-frequency signals?
A: The bus terminal supports up to 1 million increments per second that allow reliable processing of high-speed encoder signals in automation systems.
Q: Why is the counter 16-bit in KL5111?
A: The bus terminal uses a 16-bit binary counter that provides sufficient range for most incremental encoder applications and efficient data handling.
Q: How does KL5111 ensure EMC compliance?
A: The bus terminal conforms to EN 61000-6-2 and EN 61000-6-4, that ensure electromagnetic compatibility and minimize interference in control systems.
