EL4022
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MPN: EL4022-0000
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The EL4022 is a 2-output EtherCAT terminal with a 12-bit resolution and a signal current range of 4 to 20 mA. Manufactured by Beckhoff as part of the EL EtherCAT Terminals series, it features distributed clocks with a precision of less than 1 µs. The terminal operates within -25 to +60°C.
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Product Description:
The EL4022 is an analog output and It is a product of Beckhoff. It is used for controlling the speed of an industrial motor.
The EL4022 Analog Output is electrically isolated from the communication bus by 500 V which helps protect the system from surges or noise and prevents ground loops. It uses multiplexed sampling which means it switches between different output channels to process signals. This module requires a 24V direct current supply connected through designated power contacts which powers the analog circuitry that drives the outputs. It is designed to drive two separate analog outputs simultaneously, which is suitable for controlling two devices or channels. The module is referenced to a common ground which makes the system simpler but potentially more susceptible to noise or interference in some environments. It can be set up and manage the module through TwinCAT which is a Beckhoff software platform which involves defining signal ranges, scaling and mapping to your PLC or control logic. The module can reliably control two outputs under normal temperature conditions. The analog output has a conversion time of 150 microseconds to convert and update an analog signal, which allows for relatively fast control in automation systems.
The EL EtherCAT Terminals series module supports Beckhoff’s Distributed Clocks system which is best for precise timing synchronization across EtherCAT devices. It delivers a current signal in the 4 to 20 milliamp range, which is a common standard in industrial control systems for driving actuators or transmitting sensor values. It has a 60 gram mass which is relevant mostly for physical installation. It is able to drive loads with resistance below 500 ohms and it has built-in protection against short circuits which prevents damage if the output is accidentally shorted.
Frequently Asked Questions about EL4022:
Q: How does the 500 V electrical isolation in the EL4022 improve system reliability?
A: The 500 V isolation protects the EL4022 from electrical surges and reduces noise interference. It ensures stable operation even in harsh industrial environments.
Q: Why is multiplexed sampling important in the Beckhoff EL4022 Analog Output Terminal?
A: Multiplexed sampling allows the EL4022 to efficiently update multiple outputs quickly. This improves system performance without requiring separate hardware for each output.
Q: How does single-ended ground referencing impact the EL4022’s signal quality?
A: Single-ended referencing simplifies the wiring in the EL4022 but can slightly increase susceptibility to external noise. It's suitable for compact industrial setups where space matters.
Q: What benefits does the 12-bit resolution of the EL4022 provide for motor control?
A: The 12-bit resolution in the EL4022 ensures finer signal granularity. This allows for smoother and more precise motor speed adjustments.
Q: Why is 4–20 mA output standard important in the EL4022 Analog Output?
A: The 4–20 mA standard in the EL4022 ensures compatibility with most industrial actuators. It also provides better signal integrity over long cable runs.
