Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Engineered for high-density space conservation in control cabinets, the BECKHOFF KL1889 is a High-Density (HD) Bus Terminal featuring sixteen digital inputs in a compact 12 mm housing width. Operating with negative switching (sink) logic, this module incorporates 1-wire connection technology, allowing direct connection of sensors and signals to the process image without excessive terminal blocks. Designed for seamless integration into K-bus networks, the KL1889 enables efficient signal acquisition in restricted spaces while simplifying wiring and minimizing hardware requirements.
| Manufacturer | BECKHOFF |
| Part Number/Model | KL1889 |
| Connection Technology | 1-wire |
| Specification | Negative switching (sink) |
| Number of Inputs | 16 |
| Nominal Voltage | 24 V DC (-15% / +20%) |
| "0" Signal Voltage | 18 to 30 V |
| "1" Signal Voltage | 0 to 7 V |
| Input Filter | typ. 3.0 ms |
| Input Current | typ. 3 mA |
| Current Consumption (K-bus) | typ. 20 mA |
| Current Consumption (Power Contacts) | typ. 4 mA + load |
| Electrical Isolation | 500 V (K-bus to field potential) |
| Bit Width in Process Image | 16 inputs |
| Conductor Connection (Solid) | Direct plug-in technique (0.08 to 1.5 mm²) |
| Conductor Connection (Stranded) | Spring actuation by screwdriver (0.25 to 1.5 mm²) |
| Conductor Connection (Ferrule) | Spring actuation by screwdriver (0.14 to 0.75 mm²) |
| Weight | approx. 55 g |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| 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 |
| Protection Class | IP20 |
| Connection Type | Conductor Type | Cross-section Range |
|---|---|---|
| Direct Plug-In | Solid Wire | 0.08 to 1.5 mm² |
| Screwdriver Spring Actuation | Stranded Wire | 0.25 to 1.5 mm² |
| Screwdriver Spring Actuation | Ferrule | 0.14 to 0.75 mm² |
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Engineered for high-density space conservation in control cabinets, the BECKHOFF KL1889 is a High-Density (HD) Bus Terminal featuring sixteen digital inputs in a compact 12 mm housing width. Operating with negative switching (sink) logic, this module incorporates 1-wire connection technology, allowing direct connection of sensors and signals to the process image without excessive terminal blocks. Designed for seamless integration into K-bus networks, the KL1889 enables efficient signal acquisition in restricted spaces while simplifying wiring and minimizing hardware requirements.
| Manufacturer | BECKHOFF |
| Part Number/Model | KL1889 |
| Connection Technology | 1-wire |
| Specification | Negative switching (sink) |
| Number of Inputs | 16 |
| Nominal Voltage | 24 V DC (-15% / +20%) |
| "0" Signal Voltage | 18 to 30 V |
| "1" Signal Voltage | 0 to 7 V |
| Input Filter | typ. 3.0 ms |
| Input Current | typ. 3 mA |
| Current Consumption (K-bus) | typ. 20 mA |
| Current Consumption (Power Contacts) | typ. 4 mA + load |
| Electrical Isolation | 500 V (K-bus to field potential) |
| Bit Width in Process Image | 16 inputs |
| Conductor Connection (Solid) | Direct plug-in technique (0.08 to 1.5 mm²) |
| Conductor Connection (Stranded) | Spring actuation by screwdriver (0.25 to 1.5 mm²) |
| Conductor Connection (Ferrule) | Spring actuation by screwdriver (0.14 to 0.75 mm²) |
| Weight | approx. 55 g |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| 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 |
| Protection Class | IP20 |
| Connection Type | Conductor Type | Cross-section Range |
|---|---|---|
| Direct Plug-In | Solid Wire | 0.08 to 1.5 mm² |
| Screwdriver Spring Actuation | Stranded Wire | 0.25 to 1.5 mm² |
| Screwdriver Spring Actuation | Ferrule | 0.14 to 0.75 mm² |
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Returns & Warranty
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| Country of origin |
Germany
|