BECKHOFF EL1004 4-CHANNEL DIGITAL INPUT TERMINAL

The EL1004 is used in industrial automation systems to read 24 V DC digital signals. It acquires binary control signals from the process level and transmits them electrically isolated to the higher-level automation unit. Ideal for EtherCAT-based I/O systems, ensuring fast and reliable signal processing from sensors

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EL1004 is a 4-channel EtherCAT digital input terminal. Each channel’s status is indicated by LEDs. A 3 ms input filter prevents bouncing caused by mechanical switches. It supports direct connection of four 2-wire sensors and complies with IEC 61131-2 type 1/3 input specifications.

Connection Technology: 2-wire

Specification: EN 61131-2, type 1/3

Number of Inputs: 4

Nominal Voltage: 24 V DC (-15% / +20%)

“0” Signal Voltage: -3…+5 V

“1” Signal Voltage: 11…30 V

Input Current: typ. 3 mA

Input Filter: typ. 3 ms

E-bus Current Consumption: typ. 90 mA

Electrical Isolation: 500 V (E-bus / field potential)

Bit Width: 4 inputs

Weight: approx. 50 g

Operating Temperature: -25 °C … +60 °C

Storage Temperature: -40 °C … +85 °C

Humidity: 95%, no condensation

Protection Class: IP20

Mounting: 35 mm DIN rail (EN 60715)

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm

Approvals: CE, UL, ATEX, IECEx, DNV, cFMus

Ex Marking: ATEX II 3 G Ex ec IIC T4 Gc, IECEx Ex ec IIC T4 Gc

Data Sheet