EL2521
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MPN: EL2521-0000
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The EL2521 EtherCAT Terminal by Beckhoff offers pulse train connection technology, a maximum output current of 0.5 A, a resolution of 15 bits, and operates at base frequencies up to 500 kHz. Part of the EL EtherCAT Terminals series, it features RS422 differential output specifications for efficient performance.
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Product Description:
Beckhoff created the EL2521 EtherCAT terminal that allows for getting exact pulse train outputs and simulating an incremental encoder. It is designed for precise control tasks that need output frequencies to be in sync. The terminal from Beckhoff is for control and automation systems that need to make signals that are stable and reliable for industrial automation processes.
A single-channel pulse train output is made by the EL2521 terminal through an RS422 link that sends differential signals. The terminal comes with two inputs, marked +T and +Z, that make encoder modeling more flexible. The highest output current is 0.5 A, and the output type is RS422 differential. The terminal has a base frequency that can be anywhere from 0 to 500 kHz. Its usual frequency is 50 kHz. The 500 V electrical separation between the E-bus and the field potential makes sure that operations are safe. Current from the E-bus is usually 280 mA, but it depends on the load. Power connections, on the other hand, do not draw any current. For accurate time synchronization, the EL terminal has connection technology based on pulse train frequency output that works with spread clocks.
It is easy to connect the AB incremental encoder software to TwinCAT NC systems. The ramp function helps make smooth speeding up and slowing down, which is important for motion patterns. Controlling the travel distance is also possible, which is useful for position-based apps. The temperature range for use is 0 to 55°C, and the temperature range for keeping is -25°C to +85°C. Because the EL2521 EtherCAT terminal is only about 50 g, it is easier to place on a panel. The terminal is a reliable choice for frequency-based control tasks that need precise signal output because of these features.
Frequently Asked Questions about EL2521:
Q: Why does EL2521 use RS-422 differential output?
A: RS422 differential output in EL2521 ensures signal integrity over long distances and reduces electrical noise in industrial setups.
Q: How does EL2521 manage signal precision at high frequencies?
A: EL2521 supports up to 500 kHz base frequency that enables consistent signal output without compromising resolution and synchronization.
Q: Why do EL2521 terminals require a minimum 120 Ω load?
A: The minimum 120 Ω load ensures proper current flow that maintains stable differential signaling and protects the output stages.
Q: Does EL2521 offer distributed clocks for synchronization?
A: Yes, EL2521 uses distributed clocks technology that enables time-synchronized signal output crucial for coordinated industrial automation systems.
Q: Why does EL2521 include a 500 V electrical isolation?
A: The 500 V electrical isolation in EL2521 protects internal circuits from field voltage spikes and improves system safety and reliability.
