Beckhoff KL3468 Analog Input Terminal

The Beckhoff KL3468 is an 8-channel analog input Bus Terminal designed for voltage signal acquisition in space-constrained control cabinets. It processes analog voltages in the 0–10 V range and digitizes them with 12-bit resolution, transmitting the signals with electrical isolation to higher-level automation systems.

With high packing density and single-ended 1-wire connection technology, the KL3468 is ideal for integrating multi-channel sensor arrays efficiently. It includes LED indicators for data exchange and a common ground reference for all inputs, allowing for seamless and compact analog input expansion.

Technical Specifications

Part Number: KL3468 Beckhoff
Technology: Analog input, single-ended
Number of Inputs: 8 channels
Signal Range: 0…10 V
Resolution: 12 bit
Internal Resistance: > 130 kΩ
Conversion Time: ~ 4 ms
Measurement Error: < ±0.3% (relative to full scale)
Common-Mode Voltage: Not applicable
Bit Width in Process Image: 8 x 16-bit data (optional 8 x 8-bit control/status)
Configuration: No address or configuration setting
Special Features: High-density 8-channel voltage input in compact housing

Power & Electrical Isolation

Power Supply: Via K-bus
Current Consumption (K-bus): Typ. 140 mA
Current Consumption (Power Contacts): Not applicable
Electrical Isolation: 500 V (K-bus/signal voltage)

Mechanical Specifications

Dimensions (W x H x D): 12 mm × 100 mm × 68 mm
Weight: Approx. 75 g
Material: Polycarbonate
Installation: 35 mm DIN rail, EN 60715 compliant
Design Form: Compact terminal housing with signal LEDs
Wiring Method:
– Solid (s): 0.08…2.5 mm²
– Flexible (st): 0.08…2.5 mm²
– Ferrule (f): 0.14…1.5 mm²
Stripping Length: 8–9 mm
Current Load Power Contacts: Imax: 10 A
Side-by-Side Mounting: Double slot and key connection

Environmental Conditions

Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +85°C
Relative Humidity: 95%, no condensation
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27
EMC Standards: EN 61000-6-2 / EN 61000-6-4
Protection Rating: IP20
Installation Position: Variable (see documentation)

Certifications & Compliance

Approvals: CE, CCC, UL, ATEX, IECEx, DNV GL
Ex Marking:
– ATEX: II 3 G Ex ec IIC T4 Gc
– IECEx: Ex ec IIC T4 Gc

Features & Benefits

✅ 8 Analog Voltage Inputs: Handles 0–10 V signals from multiple sensors.

✅ High-Density Design: Packs 8 channels in a slim 12 mm module.

✅ Fast & Accurate: 12-bit resolution with ~4 ms response time.

✅ Reliable Isolation: 500 V electrical separation from the K-bus.

✅ LED Indicators: Visual diagnostics for each channel and K-bus exchange.

✅ Space Saving: Perfect for dense cabinet installations with minimal wiring effort.

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At Drive Outlet Megastore, we offer unbeatable Beckhoff KL3468 prices. Designed for compact, scalable analog voltage acquisition, this terminal is ideal for efficient cabinet integration.

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