BECKHOFF KL1104 4 CHANNEL DIGITAL INPUT

Industrial automation for digital signal acquisition

Monitoring pushbuttons, limit switches, and sensors

Machine and process control systems

Distributed I/O in control cabinets

Compact PLC and control solutions

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The Beckhoff KL1104 is a 4-channel digital input terminal designed to capture binary control signals at 24 V DC from the process level and transmit them electrically isolated to the higher-level automation unit. Each channel features an LED indicator for signal status. Its compact design saves space in control cabinets and integrates seamlessly into Beckhoff Bus Terminal systems.

Number of Inputs: 4

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

“0” Signal Voltage: -3…+5 V

“1” Signal Voltage: 15…30 V

Input Filter: Typ. 3 ms

Input Current: Approx. 5 mA

K-Bus Current Consumption: Approx. 5 mA

Electrical Isolation: 500 V (K-Bus / field potential)

Protection Class: IP20

Operating Temperature: -25°C…+60°C

Storage Temperature: -40°C…+85°C

Humidity: 95%, no condensation

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

Weight: Approx. 55 g

Connection: 2-/3-wire, DIN rail mounting

Approvals: CE, UL, ATEX, IECEx

Data Sheet