Many procurement teams check KL1104 against Kl4032 Beckhoff, Beckhoff Kl6051 and Kl1501 Beckhoff before signing purchase orders, verifying quality, compliance, and after-sales support availability.
KL1104 - Beckhoff Bus Terminal Digital Input
Beckhoff introduces the KL1104 Bus Terminal Digital Input, a compact Bus Terminal engineered for reliable signal detection in industrial automation systems.
| Brand | Beckhoff |
| Product Type | Bus Terminal Digital Input |
| Product | KL1104 |
KL1104 Beckhoff Bus Terminal Digital Input Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 2-/3-wire |
| Specification | EN 61131-2, type 1 |
| 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. 3.0 ms |
| Input current | typ. 5 mA |
| Current consumption K-bus | typ. 5 mA |
| Bit width in the process image | 4 inputs |
| Configuration | no address or configuration setting |
| Weight | approx. 55 g |
| Operating temperature | -25...+60ยฐC |
| Storage temperature | -40..+85ยฐC |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, DNV GL |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12ร mm x 100ร mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08...2.5 mmยฒ,st*: 0.08...2.5 mmยฒ,f*: 0.14...1.5 mmยฒ |
| Housing - Connection cross-section AWG | s*: AWG28...14,st*: AWG28...14,f*: AWG26...16 |
| Housing - Stripping length | 8...9 mm |
| Housing - Current load power contacts | Imax: 10 A |
The Beckhoff KL1104 Bus Terminal Digital Input is designed to deliver accurate and consistent digital signal acquisition for modern automation networks. It supports 2-/3-wire connection technology and complies with EN 61131-2 type 1 standards, ensuring robust compatibility with industrial sensors and field devices. The terminal offers four input channels, each operating at a 24 V DC nominal voltage. Input thresholds are defined with โ0โ signals at -3โฆ+5 V and โ1โ signals from 15โฆ30 V, supported by a 3.0 ms input filter that reduces noise and ensures stable signal processing.
The KL1104 is housed in a durable polycarbonate body with compact dimensions of 12 x 100 x 68 mm, making it suitable for space-constrained control cabinets. Weighing just 55 g, it mounts easily on a 35 mm DIN rail and supports side-by-side installation via Beckhoffโs double slot and key connection system. It includes signal LEDs for clear input indication, while its spring-actuated wiring mechanism accommodates solid, flexible, and ferrule conductors for simplified installation. With a K-bus consumption of 5 mA and maximum power contact load of 10 A, it offers energy-efficient integration into larger automation systems. International certifications including CE, UL, CCC, ATEX, IECEx, and DNV GL, along with vibration and EMC resistance, make the KL1104 a globally trusted solution.
In industrial applications, the KL1104 Bus Terminal Digital Input is widely used for monitoring limit switches, push buttons, and digital sensors across manufacturing plants, packaging lines, and machine control systems. Its compact design and dependable performance make it popular among OEMs and panel builders, while maintenance engineers benefit from its easy wiring and diagnostic LEDs that reduce downtime. Training centers and engineering institutes also employ it in automation labs, providing students with hands-on experience in digital input handling and PLC integration. With its proven reliability, strong certifications, and robust build, the Beckhoff KL1104 is an excellent choice for industries seeking dependable Bus Terminal Digital Input solutions. For further details, you may request a callback or refer to the official Beckhoff product page.
