KM1644-0000 Beckhoff
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The Beckhoff KM1644-0000 is part of the KM Bus Terminals series and is built with a polycarbonate housing. It features 4 inputs and 4 outputs, a variable installation position, and supports manual or emergency operation. The terminal uses 20 mA K-bus current, offers push-in wiring, and is designed for 35 mm DIN rail mounting with an IP20 protection rating.
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Product Description:
The KM1644-0000 is a manual-operation I/O terminal manufactured by Beckhoff and supplied within the KM Bus Terminals series. Designed for remote I/O stations on a K-bus backbone, the unit adds four signal channels that can be toggled directly from front-panel switches, allowing operators to force outputs or observe inputs even when the controller is offline. This behavior supports troubleshooting, startup checks, and emergency override tasks in automated production cells.
Its compact outline of 24 x 100 x 52 mm conserves control-cabinet space, and the polycarbonate housing provides electrical insulation while resisting common shop-floor contaminants. During operation, the terminal draws a typical 20 mA from the K-bus, so many modules can be powered without overloading the backplane. It snaps onto a 35 mm DIN rail, and the installation position is variable, letting the module be mounted horizontally or vertically to match wiring ducts. Four mechanical toggle switches are wired to the logic core and deliver the module's 4 inputs. A matching driver group forms the output side, and because the KM family carries the supply on neighboring terminals, this model provides no power contacts and keeps its logic isolated from field voltages.
The switches present ON, OFF, and PUSH positions for momentary or latched control. The terminal offers 4 outputs that can be driven either by the controller or by the onboard levers selected through software masking. An IP20 protection rating indicates finger-safe access but requires installation inside a closed enclosure. Lateral coupling uses the double slot and key profile so that only compatible KM terminals can be added to either side. Field conductors are attached by push-in spring cages, shortening installation time and maintaining vibration-resistant terminations. Manual and emergency operation remains available even when the PLC bus is inactive.
Frequently Asked Questions about KM1644-0000:
Q: How many inputs does the KM1644-0000 terminal provide?
A: The KM1644-0000 offers four digital inputs for connecting sensors or switches.
Q: How many outputs are available on the KM1644-0000?
A: This terminal features four digital outputs for controlling actuators or other devices.
Q: What is the housing material used for the KM1644-0000 terminal?
A: The housing of the KM1644-0000 is constructed from durable polycarbonate material.
Q: Does the KM1644-0000 include manual or emergency operation capability?
A: This model is equipped with a manual or emergency operation feature for increased control during system setup or malfunction.
Q: What type of wiring connection does the KM1644-0000 use?
A: The KM1644-0000 supports push-in wiring for easy and secure electrical connections.
