Beckhoff EL1004-0020 | EtherCAT Terminal 4-Channel Digital Input 24V
Introduction:
Beckhoff EL1004-0020 EtherCAT Terminal. 4-channel digital input at 24V DC with 3ms filter. Isolation voltage 2500V DC.
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Product Overview
The Beckhoff EL1004-0020 is a digital input EtherCAT terminal. It acquires binary 24V control signals from the process level. This terminal transmits signals in electrically isolated form to the automation unit. The Beckhoff EL1004-0020 has four channels with LED signal indicators. Users trust this terminal for reliable digital input acquisition with bounce-free filtering.
Technical Specifications
The EL1004-0020 delivers robust digital input performance with electrical isolation. Below are the complete technical details.
General Specifications
Product Type: EtherCAT Terminal.
Part Number: EL1004-0020 for precise identification.
Product Status: Regular delivery.
Connection Technology: 2-wire sensor connection.
Number of Inputs: 4 channels.
Weight: Approx. 50 g for lightweight installation.
Input Specifications
Specification: EN 61131-2, type 1/3 compliant.
Nominal Voltage: 24 V DC (-15%/+20%).
"0" Signal Voltage: -3 to +5 V (EN 61131-2, type 3).
"1" Signal Voltage: 11 to 30 V (EN 61131-2, type 3).
Input Current (Typical): 3 mA (EN 61131-2, type 3).
Input Filter (Typical): 3.0 ms eliminates mechanical switch bounce.
Special Feature: No bouncing due to mechanical switches.
Isolation and Power Specifications
Electrical Isolation: 2500 V DC (E-bus/field potential).
Isolation Voltage (E-bus/Field Voltage): 2500 V DC.
Current Consumption (Power Contacts): Typ. 2 mA + load.
Current Consumption (E-bus): Typ. 90 mA.
Distributed Clocks: Not supported.
Sensor Connection Features
Direct Connection: Four 2-wire sensors via additional +24V connection points.
Configuration: No address or configuration setting required.
Plug-and-Play: Simple installation without parameters.
Housing and Mechanical Data
Design Form: Compact terminal housing with signal LEDs.
Material: Polycarbonate for durability.
Dimensions (W x H x D): 12 mm x 100 mm x 68 mm.
Installation: 35 mm DIN rail conforming to EN 60715 with lock.
Side by Side Mounting: Double slot and key connection.
Marking: Labeling of BZxxx series.
Wiring Specifications
Solid Conductor (s*): 0.08 to 2.5 mm².
Stranded Wire (st*): 0.08 to 2.5 mm².
With Ferrule (f*): 0.14 to 1.5 mm².
AWG Solid: AWG 28 to 14.
AWG Stranded: AWG 28 to 14.
AWG with Ferrule: AWG 26 to 16.
Stripping Length: 8 to 9 mm.
Termination: Spring actuation by screwdriver.
Power Contact Specifications
Current Load Power Contacts: Imax: 10 A.
Environmental Specifications
Operating Temperature: 0 to +55°C.
Storage Temperature: -25 to +85°C.
Relative Humidity: 95% without condensation.
Vibration Resistance: Conforms to EN 60068-2-6.
Shock Resistance: Conforms to EN 60068-2-27.
EMC Immunity: Conforms to EN 61000-6-2.
EMC Emission: Conforms to EN 61000-6-4.
Protection Rating: IP20.
Installation Position: Variable.
Approvals and Markings
CE: Conforms to European standards.
UL: Underwriters Laboratories approved.
Installation Guide
Follow these steps to install the Beckhoff EL1004-0020 correctly.
Power Down the System: Turn off all power to the EtherCAT network.
Mount DIN Rail: Ensure 35 mm DIN rail conforms to EN 60715.
Attach Terminal: Clip the EL1004-0020 onto the DIN rail until it locks.
Connect E-bus: Insert the terminal into an existing EtherCAT terminal block.
Side Mounting: Use double slot and key connection for adjacent terminals.
Strip Wires: Remove 8 to 9 mm of insulation from each conductor.
Terminate Wires: Insert solid, stranded, or ferrule wires using a screwdriver.
Connect Sensors: Wire up to four 2-wire sensors to the input channels.
Use +24V Points: Connect sensor power using the additional +24V connection points.
Verify Polarity: Check correct wiring for 24V DC nominal voltage.
Apply Power: Turn on the E-bus and field power supplies.
Check LEDs: Observe signal state via the four light emitting diodes.
Monitor Input Current: Expect typical 3 mA per active input.
Test Input Filter: Verify 3.0 ms filter eliminates contact bounce.
Installation Notes
The terminal requires no address or configuration settings.
Electrical isolation is 2500 V DC between E-bus and field potential.
Input filter prevents bouncing from mechanical switches.
Power contacts handle up to 10 A for daisy-chaining.
The compact 12 mm housing saves panel space.
Packaging List
This unit ships as a new and original product.
Beckhoff EL1004-0020 EtherCAT Terminal
Product data sheet
Spring actuation tool information
Anti-static factory packaging bag
Frequently Asked Questions (FAQ)
1. What is the input filter time on the EL1004-0020?
The Beckhoff EL1004-0020 has a typical input filter of 3.0 ms. This eliminates bouncing from mechanical switches.
2. What is the isolation voltage rating of this EtherCAT terminal?
The EL1004-0020 provides 2500 V DC electrical isolation between the E-bus and field potential. This ensures reliable signal integrity.
3. How many inputs does the EL1004-0020 provide?
The Beckhoff EL1004-0020 provides 4 digital input channels. It directly connects four 2-wire sensors with additional +24V connection points.
4. Does this terminal require configuration or address setting?
No, the EL1004-0020 requires no address or configuration setting. It is ready to use upon installation.
5. What is the current consumption of the EL1004-0020?
The Beckhoff EL1004-0020 consumes approximately 90 mA from the E-bus. Power contact consumption is typically 2 mA plus load.