Beckhoff KL4022 2-Channel Analog Output Bus Terminal
$ 152
KL4022
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2-channel analog output terminal for 4…20 mA current loops
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High accuracy with 12-bit resolution and < ±0.1% output error
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Fast response with ~1.5 ms conversion time
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Electrical isolation between K-bus and signal voltage
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LED indicators for operational status
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ATEX and IECEx certified for hazardous area applications
Beckhoff KL4022 2-Channel Analog Output Bus Terminal (4…20 mA, 12-bit)
The Beckhoff KL4022 is a 2-channel analog output Bus Terminal designed for generating precise current output signals in the 4…20 mA range. With a 12-bit resolution and ~1.5 ms conversion time, it ensures accurate signal control for process-level applications. Electrical isolation between the K-bus and signal voltage enhances safety, while the compact IP20-rated design integrates seamlessly into Beckhoff’s modular I/O systems. The KL4022 features single-ended output technology, LED status indicators, and is certified for hazardous area use under ATEX and IECEx standards.
| Specification | Details |
|---|---|
| Technology | Single-ended |
| Number of Outputs | 2 |
| Power Supply | 24 V DC via power contacts (15 V DC with KL9515) |
| Signal Current | 4…20 mA |
| Load | < 500 Ω |
| Output Error | < ±0.1% (relative to end value) |
| Resolution | 12 bit |
| Conversion Time | ~ 1.5 ms |
| Electrical Isolation | 500 V (K-bus/signal voltage) |
| Current Consumption (Power Contacts) | Typ. 50 mA + load |
| Current Consumption (K-bus) | Typ. 60 mA |
| Bit Width in Process Image | Output: 2 × 16-bit data (2 × 8-bit control/status optional) |
| Configuration | No address or configuration setting required |
| Weight | Approx. 80 g |
| Operating Temperature | -25 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 95%, no condensation |
| Vibration/Shock Resistance | EN 60068-2-6 / EN 60068-2-27 compliant |
| EMC Immunity/Emission | EN 61000-6-2 / EN 61000-6-4 compliant |
| Protection Rating / Installation Position | 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 Gc |
| Ex Marking (IECEx) | Ex ec IIC T4 Gc |
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