KS1104 Beckhoff
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The Beckhoff KS1104 is part of the KS Digital Input Modules series and features 4 input channels supporting nominal voltages of 24 V DC. This module offers enhanced load capacity, a 3 ms input filter, and supports 2-/3-wire connection technology. It is housed in polycarbonate, has a protection rating of IP20, and mounts on a 35 mm DIN rail.
Internal Product Review
The KS1104 is a Beckhoff digital input module built for 24 V DC signaling with 4 inputs. EN 61131-2 Type 1 input specification and a 3 ms input filter support clean, dependable signal acquisition in automated systems. Pluggable wiring and IP20 protection make the module a strong choice for streamlined panel integration.
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Product Description:
The KS1104 is a digital input module produced by Beckhoff within the KS Digital Input Modules series. It serves as an interface that conveys field sensor states to a controller, operating on a nominal 24 V signal level so that PLC logic can react to switches and proximity detectors in industrial automation cells. This lets the control system monitor simple on and off conditions without analog conversion. It is intended for discrete sensing tasks rather than measurement signals that vary continuously.
The module accepts a nominal control voltage of 24 V DC and provides 4 inputs that occupy four bits in the process image. Field devices are wired through standard sensor connections, while integrated input filtering suppresses contact bounce during switching. Protective earth and auxiliary supply currents pass through power contacts rated for 10 A, and the front connectors are pluggable for easier wiring access. System wiring is organized on a 35 mm DIN rail, which keeps the housing in a cabinet installation with an IP20 enclosure rating. Enhanced load capacity is stated, and a +24 V and 0 V sensor supply is routed on the terminal row so an external sensor supply is not required.
The polycarbonate enclosure measures 12 mm x 100 mm x 68 mm, enabling dense side-by-side installation. Input transitions are qualified by a debounce period of 3 ms, and the electrical characteristics comply with EN 61131-2, Type 1 so voltage thresholds align with common PLC expectations. Field wiring follows the 2-/3-wire convention, allowing sensors with or without dedicated ground conductors. Internally, each channel maps directly to the controller bus without wasting register space, and the pluggable wiring level allows orderly cable handling at the terminal row. This helps keep adjacent terminals accessible when modules are mounted closely together.
