During technical comparisons, KL2521 appears alongside Kl2134 Beckhoff, Kl4032 Beckhoff and Kl1501 Beckhoff so engineers assess signal types, ingress protection, and ambient tolerances accurately.
KL2521 - Beckhoff Bus Terminal Digital Output
KL2521 Beckhoff Bus Terminal Digital Output Technical Specifications
| Brand | Beckhoff |
| Product Type | Bus Terminal Digital Output |
| Product | KL2521 |
KL2521 Beckhoff Bus Terminal Digital Output Technical Specifications
| Specification | Value |
|---|---|
| Number of inputs | 2 (+T, +Z) |
| Nominal voltage | RS422 level |
| Current consumption K-bus | typ. 50 mA, max. 120 mA (load-dependent) |
| Bit width in the process image | 24 inputs/outputs: 1 x 16 bit data, 1 x 8 bit control/status |
| Configuration | configuration via Bus Coupler or controller |
| Weight | approx. 50 g |
| Operating temperature | 0...55ยฐC |
| Storage temperature | -25...+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, UL, ATEX |
| 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 |
| Max. output current | RS422 specification |
| Load type | RS422 input |
| Resolution | max. 15 bit |
| Signal voltage | RS422 level |
