Beckhoff KL1002 Bus Terminal

The Beckhoff KL1002 is a 2-channel digital input terminal for acquiring 24 V DC binary signals from field-level devices and transmitting them to the automation system with full electrical isolation. With a 3 ms input filter to eliminate mechanical switch bounce and EN 61131-2 Type 1 compliance, it ensures robust and reliable input capture in industrial automation environments.

Each channel features LED status indication, while the 4-wire connection technology allows precise and secure wiring for two digital input signals.

Technical Specifications

Model: KL1002 Beckhoff
Number of Inputs: 2
Connection Technology: 4-wire
Input Specification: EN 61131-2, Type 1
Nominal Voltage: 24 V DC (-15%/+20%)
“0” Signal Voltage: -3…+5 V
“1” Signal Voltage: 15…30 V
Input Filter Time: Typ. 3.0 ms
Input Current: Typ. 5 mA
Bit Width in Process Image: 2 inputs
Electrical Isolation: 500 V (K-bus/field potential)
Current Consumption (K-bus): Typ. 3 mA
Configuration: No address or configuration setting

Functionality & Features

Special Features:
– Switch debouncing with 3 ms filter
– LED signal indication per channel
Signal Status: Visual feedback through integrated LEDs
Isolation: 500 V between field and K-bus
Mounting: Compatible with all KSxxxx series terminals

Electrical & Installation

Terminal Design: Compact housing with signal LEDs
DIN Rail Mounting: 35 mm per EN 60715 standard
Wiring Method: Spring-actuated terminals (tool-assisted)
Connection Cross-Section (KL-12-8pin):
– Solid: 0.08…2.5 mm²
– Flexible: 0.08…2.5 mm²
– Ferrule: 0.14…1.5 mm²
AWG Equivalent: AWG28…14 (solid/flex), AWG26…16 (ferrule)
Stripping Length: 8–9 mm
Max Current Load (Power Contacts): 10 A

Mechanical & Environmental

Dimensions (W × H × D): 12 × 100 × 68 mm
Net Weight: Approx. 50 g
Material: Polycarbonate
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, non-condensing
Protection Rating: IP20
Installation Position: Variable
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27

Certifications & Compliance

CE Marked: Yes
UL, CCC, ATEX, IECEx, DNV GL: Certified
ATEX Certification: II 3 G Ex ec IIC T4 Gc
IECEx Certification: Ex ec IIC T4 Gc
RoHS & WEEE: Compliant

Key Features & Benefits

✅ 2 Digital Inputs: Compact 2-channel signal acquisition in 12 mm housing.

✅ 3 ms Filter Time: Eliminates bounce from mechanical switches.

✅ EN 61131-2 Type 1: Standardised signal compatibility.

✅ LED Status Indication: Clear per-channel diagnostics.

✅ DIN Rail Mountable: Easy integration into KL terminal blocks.

✅ Certified for Industrial Use: CE, UL, ATEX, IECEx, DNV GL.

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Compact, certified, and reliable—perfect for clean signal acquisition in small-scale control and monitoring systems.

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Supplied with full 2-year warranty and fast UK delivery.