EL2258
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MPN: EL2258-0000
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The Beckhoff EL2258, part of the EL EtherCAT Terminals series, features eight outputs and utilizes 2-wire connection technology. It operates on a nominal voltage of 24 V DC (-15%/+20%) and supports load types such as ohmic, inductive, and lamp loads. It weighs approximately 55 grams and is highly efficient.
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Product Description:
The EL2258 EtherCAT Terminal from Beckhoff serves applications that require exact timing control of digital outputs at highly precise time periods. Beckhoff created modern efficient solutions to address multiple industrial automation problems.
The EL2258 EtherCAT terminal enables output functions with precise timing and oversampling features by supporting a multi-timestamping factor ranging from 1 to 10 times the cycle time. This factor allows configuration where each integer multiple corresponds to a higher temporal resolution within the given cycle. Internal signal processing operates within a window of less than 10 to 40 microseconds. This range equates to a signal edge detection capability between 100 to 25,000 transitions per second by depending on the configured parameters and application environment. Multi-timestamping enhances the accuracy of output transitions by embedding multiple time values for individual signal events by allowing precise tracking and execution within communication links. The terminal is synchronized with the EtherCAT distributed clocks system by ensuring exact time coordination. This feature supports consistent signal timing and output behavior which is useful in motion control and time-critical domains.
The << EL2258 terminal consumes 130 mA current from the E-bus and draws 30 milli amperes under specified conditions with the actual load-dependent current activating automatically as needed. Its process image contains about 8-bit output data for both channels which is supplemented by a 9-byte timestamp that stores multiple timing points for processed outputs. The E-bus includes a dielectric barrier with 500 Volts strength which functions as an isolation mechanism to protect internal electronics from field potential hazards. This isolation mainly helps protect the terminal and its other components from voltage and current spikes or cross-domain interference.
Frequently Asked Questions about EL2258:
Q: What is the oversampling factor range available in the Beckhoff EL2258 terminal?
A: The EL2258 supports an oversampling or multi-timestamping factor from 1 to 10 times the cycle time. This allows multiple outputs within one EtherCAT cycle.
Q: How fast is the internal sampling speed of the Beckhoff EL2258 EtherCAT Terminal?
A: The internal execution time is less than 10 to 40 µs, providing detection of up to 25,000 signal edges per second.
Q: What is the maximum load capacity on the power contacts of the EL2258 terminal?
A: The power contacts of the EL2258 can handle up to 10 A, supporting reliable output for connected field devices.
Q: Does the Beckhoff EL2258 terminal support distributed clock synchronization?
A: Yes, the EL2258 includes distributed clocks, ensuring precise timing alignment with other EtherCAT devices in the network for synchronized operation.
Q: What is the bit width for output data in the Beckhoff EL2258 terminal?
A: The output bit width is 8 bits for both output channels, with additional 9-byte timestamp data included in the process image.
