Many procurement teams check KM1644 against Kl2134 Beckhoff, Kl4032 Beckhoff and Kl1501 Beckhoff before signing purchase orders, verifying quality, compliance, and after-sales support availability.
KM1644 - Beckhoff Bus Terminal Digital Input
KM1644 Beckhoff Bus Terminal Digital Input Technical Specifications
| Brand | Beckhoff |
| Product Type | Bus Terminal Digital Input |
| Product | KM1644 |
KM1644 Beckhoff Bus Terminal Digital Input Technical Specifications
| Specification | Value |
|---|---|
| Specification | manual operation level |
| Number of inputs | 4 |
| Nominal voltage | â |
| Current consumption K-bus | typ. 20 mA |
| Bit width in the process image | 4 inputs + 4 outputs |
| Weight | approx. 65Â g |
| Operating temperature | 0...55°C |
| Storage temperature | -25...+85°C |
| 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 |
| Approvals/markings | CE, UL |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 24 mm x 100 mm x 52 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 | â |
| Housing - Wiring | specific push-in connection |
| Current consumption power contacts | â (no power contacts) |
| Special features | manual/emergency operation |
| Number of outputs | 4 |
