The EL4001 (EL4001) is a precision 1-channel analog output terminal designed for the EtherCAT I/O system, providing a stable voltage signal from 0 to 10 V. Engineered for high-speed industrial applications such as proportional valve control, setpoint specification for frequency inverters, and climate control in cleanrooms, this module delivers 12-bit resolution for accurate actuator positioning. By utilizing EtherCAT Distributed Clocks (DC) technology, the EL4001 achieves ultra-precise synchronization with a jitter of less than 1 microsecond, making it indispensable for coordinated multi-axis systems and deterministic control loops. Its compact 12 mm form factor and short-circuit proof output ensure high reliability and space efficiency in dense control cabinets.
The EL4001 hardware utilizes a 2-wire single-ended connection technology, drawing power directly from the 24 VDC power contacts. The output stage is highly robust, supporting loads greater than 5 kOhm while maintaining an output error of less than 0.1 percent. A key feature of this terminal is the integrated watchdog function; in the event of a fieldbus communication failure, the output can be programmed to transition to a user-defined safety value or follow a specific ramp, protecting mechanical hardware from abrupt stops. The process image is represented by a 1 x 16-bit AO value, allowing for seamless integration within TwinCAT or any standard EtherCAT master.
| Feature | Specification |
| Model | EL4001 |
| Brand | BECKHOFF |
| Origin | Germany |
| Output Type | 1-channel analog output, voltage 0-10 V |
| Resolution | 12 bit |
| Conversion Time | approx. 100 microseconds |
| Output Error | < 0.1 percent (relative to end value) |
| Distributed Clocks | Yes, precision << 1 microsecond |
| Power Supply | 24 VDC via power contacts |
| Current Consumption (E-bus) | typ. 140 mA |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Operating Temperature | -25 to +60 Celsius |
| Weight | 0.06 kg |
Does the EL4001 require external power for the output signal?
Yes, the terminal draws its 24 VDC power via the power contacts of the EtherCAT strand. Ensure that a power feed terminal (like the EK1100 or EL9100) is providing the necessary voltage to the power rail.
How does the 12-bit resolution map to the 16-bit process image?
The 12-bit digital value is left-aligned within the 16-bit integer (1 x 16 bit AO output) in the process image. This allows the system to remain compatible with standard 16-bit data types while providing 4096 distinct voltage steps between 0 and 10 V.
Is the output protected against wiring errors?
The EL4001 is short-circuit proof. If the load resistance drops below 5 kOhm or a direct short occurs, the terminal limits the current to prevent internal damage, although the output voltage will no longer accurately reflect the process value.
Signal Integrity and Grounding: To minimize voltage drop and electromagnetic interference, use shielded twisted-pair (STP) cables for the 0-10 V signal. The shield should be grounded at the control cabinet entry point. Since this is a single-ended output, ensure that the reference ground (0 V) is common between the EL4001 and the receiving device to avoid ground loops.
Watchdog Configuration: In the TwinCAT System Manager, navigate to the CoE (CanOpen over EtherCAT) parameters to configure the watchdog behavior. For critical valves, set a "Safe Value" that brings the process to a controlled state rather than simply allowing the voltage to drop to 0 V upon communication loss.
Load Compliance: Ensure the input impedance of the connected device is at least 5 kOhm. Connecting low-impedance loads will overload the output stage and may lead to non-linear signal behavior or thermal shutdown of the channel.
DC Synchronization: To leverage the sub-microsecond precision, the "Distributed Clocks" feature must be enabled in the EtherCAT Master settings. This is particularly vital when synchronizing the analog output with high-speed motion axes or oversampling input terminals.
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Returns & Warranty
Manufacturer: BECKHOFF
Product No.: EL4001
Country of origin:Germany
Product Type: EtherCAT Terminal
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 12 mm x 100 mm x 68 mm
Shipping port: Xiamen
Warranty: 12 months
The EL4001 (EL4001) is a precision 1-channel analog output terminal designed for the EtherCAT I/O system, providing a stable voltage signal from 0 to 10 V. Engineered for high-speed industrial applications such as proportional valve control, setpoint specification for frequency inverters, and climate control in cleanrooms, this module delivers 12-bit resolution for accurate actuator positioning. By utilizing EtherCAT Distributed Clocks (DC) technology, the EL4001 achieves ultra-precise synchronization with a jitter of less than 1 microsecond, making it indispensable for coordinated multi-axis systems and deterministic control loops. Its compact 12 mm form factor and short-circuit proof output ensure high reliability and space efficiency in dense control cabinets.
The EL4001 hardware utilizes a 2-wire single-ended connection technology, drawing power directly from the 24 VDC power contacts. The output stage is highly robust, supporting loads greater than 5 kOhm while maintaining an output error of less than 0.1 percent. A key feature of this terminal is the integrated watchdog function; in the event of a fieldbus communication failure, the output can be programmed to transition to a user-defined safety value or follow a specific ramp, protecting mechanical hardware from abrupt stops. The process image is represented by a 1 x 16-bit AO value, allowing for seamless integration within TwinCAT or any standard EtherCAT master.
| Feature | Specification |
| Model | EL4001 |
| Brand | BECKHOFF |
| Origin | Germany |
| Output Type | 1-channel analog output, voltage 0-10 V |
| Resolution | 12 bit |
| Conversion Time | approx. 100 microseconds |
| Output Error | < 0.1 percent (relative to end value) |
| Distributed Clocks | Yes, precision << 1 microsecond |
| Power Supply | 24 VDC via power contacts |
| Current Consumption (E-bus) | typ. 140 mA |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Operating Temperature | -25 to +60 Celsius |
| Weight | 0.06 kg |
Does the EL4001 require external power for the output signal?
Yes, the terminal draws its 24 VDC power via the power contacts of the EtherCAT strand. Ensure that a power feed terminal (like the EK1100 or EL9100) is providing the necessary voltage to the power rail.
How does the 12-bit resolution map to the 16-bit process image?
The 12-bit digital value is left-aligned within the 16-bit integer (1 x 16 bit AO output) in the process image. This allows the system to remain compatible with standard 16-bit data types while providing 4096 distinct voltage steps between 0 and 10 V.
Is the output protected against wiring errors?
The EL4001 is short-circuit proof. If the load resistance drops below 5 kOhm or a direct short occurs, the terminal limits the current to prevent internal damage, although the output voltage will no longer accurately reflect the process value.
Signal Integrity and Grounding: To minimize voltage drop and electromagnetic interference, use shielded twisted-pair (STP) cables for the 0-10 V signal. The shield should be grounded at the control cabinet entry point. Since this is a single-ended output, ensure that the reference ground (0 V) is common between the EL4001 and the receiving device to avoid ground loops.
Watchdog Configuration: In the TwinCAT System Manager, navigate to the CoE (CanOpen over EtherCAT) parameters to configure the watchdog behavior. For critical valves, set a "Safe Value" that brings the process to a controlled state rather than simply allowing the voltage to drop to 0 V upon communication loss.
Load Compliance: Ensure the input impedance of the connected device is at least 5 kOhm. Connecting low-impedance loads will overload the output stage and may lead to non-linear signal behavior or thermal shutdown of the channel.
DC Synchronization: To leverage the sub-microsecond precision, the "Distributed Clocks" feature must be enabled in the EtherCAT Master settings. This is particularly vital when synchronizing the analog output with high-speed motion axes or oversampling input terminals.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Greyish White
|
| Country of origin |
Germany
|
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