Beckhoff EL1008 EtherCAT Terminal

The Beckhoff EL1008 is an 8-channel digital input terminal that reliably acquires binary 24 V DC control signals from the field and transmits them to higher-level control systems via EtherCAT. Each input features a 3 ms filter time to eliminate bounce from mechanical switches and delivers robust electrical isolation between E-bus and field signals.

Compact and cost-effective, the EL1008 is designed for fast, accurate signal acquisition in space-restricted installations. Its integrated status LEDs and standard 1-wire connection simplify diagnostics and field wiring.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL1008 Beckhoff
Product Type: Digital Input Terminal
Input Channels: 8
Connection Technology: 1-wire
Input Type: EN 61131-2, Type 1/3
Nominal Voltage: 24 V DC (-15% / +20%)
“0” Signal Level: -3…+5 V
“1” Signal Level: 11…30 V
Input Current: Typ. 3 mA
Input Filter Time: Typ. 3.0 ms
Distributed Clocks: No
Electrical Isolation: 500 V (E-bus/field potential)
Bit Width in Process Image: 8 bits
Configuration: No address or configuration required

Electrical & Power

Power Supply via E-bus: Yes
Current Consumption (E-bus): Typ. 90 mA
Current Consumption (Power Contacts): Typ. 2 mA + load
Surge Voltage Immunity: Conforms to EN 61000-6-2
EMC Emission: Conforms to EN 61000-6-4

Mechanical Specifications

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Housing Type: EL-12-8pin / ES-12-8pin
Material: Polycarbonate
Mounting: DIN rail, 35 mm (EN 60715)
Side-by-Side Mounting: Double slot and key connection
Wiring Type:
– Solid conductor: 0.08–2.5 mm²
– Stranded: 0.08–2.5 mm²
– Ferrule: 0.14–1.5 mm²
AWG Range: AWG28–14 (solid/stranded), AWG26–16 (ferrule)
Stripping Length: 8–9 mm
Max Current Load (Power Contacts): 10 A

Environmental Conditions

Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95% (non-condensing)
Protection Rating: IP20
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27

Approvals & Compliance

Certifications: CE, UL, CCC, ATEX, IECEx, DNV GL, cFMus
ATEX Marking: II 3 G Ex ec IIC T4 Gc
IECEx Marking: Ex ec IIC T4 Gc
cFMus Marking:
– Class I, Division 2, Groups A, B, C, D
– Class I, Zone 2, AEx ec IIC T4 Gc

Key Features

✅ 8 Digital Inputs: Compact signal acquisition in a single 12 mm terminal.

✅ Debounce Filtering: 3 ms input filter removes noise from mechanical contacts.

✅ Direct LED Feedback: Channel-wise status indication.

✅ DIN Rail Ready: Snap-in mounting with high packing density.

✅ Industrial Hardened: Conforms to EMC and shock/vibration resistance standards.

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Perfect for compact installations and reliable 24 V DC signal input, this terminal delivers the performance and stability required for modern control systems.

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