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.
The BECKHOFF EL4114-0020 is a high-precision, 4-channel analog output EtherCAT Terminal designed for generating accurate current signals within industrial control systems. Operating in the range of 0 to 20 mA, this specialized terminal features 16-bit resolution and comes factory calibrated to ensure exceptional signal fidelity and minimal output error.
Compared to standard analog output models, the BECKHOFF EL4114-0020 variant is optimized for demanding automation and testing environments where high-precision control loop feedback is mandatory. Its integration into the EtherCAT system allows for fast, deterministic signal transmission, making it a reliable component in multi-axis machinery and distributed process systems.
With built-in support for Distributed Clocks (DC), the terminal enables synchronized output actions across the entire network with sub-microsecond precision. The 2-wire connection layout allows for a clean, space-saving arrangement within standard terminal boxes and electrical enclosures.
| Parameter | Specification |
| Manufacturer | BECKHOFF |
| Exact Model | EL4114-0020 |
| Product Type | EtherCAT Terminal |
| Number of Channels | 4 |
| Signal Current | 0 to 20 mA |
| Connection Technology | 2-wire, single-ended |
| Parameter | Specification |
| Power Supply | 24 V DC via power contacts |
| Current Consumption (E-Bus) | typ. 160 mA |
| Current Consumption (Power Contacts) | typ. 15 mA + load |
| Electrical Isolation | 500 V (E-bus / signal voltage) |
| Current Load Power Contacts | max. 10 A |
| Parameter | Specification |
| Resolution | 16-bit (including sign) |
| Load Resistance | < 350 Ohm (short-circuit proof) |
| Output Error | < 0.1% (relative to end value) |
| Output Rate | max. 4 ksps |
| Distributed Clocks (DC) | Yes (precision << 1 µs) |
| Calibration | Factory calibrated with calibration certificate |
| Parameter | Specification |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Weight | approx. 65 g |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| Protection Class | IP20 |
| Mounting | 35 mm DIN rail (EN 60715) with lock |
When replacing an existing terminal with the BECKHOFF EL4114-0020, verify that the 16-bit configuration and mapping match your TwinCAT process image settings, particularly if replacing a standard 12-bit output terminal. Ensure that the individual calibration requirements of your application are verified and documented with the newly supplied factory certificate details.
| Parameter | Specification |
| Approvals | CE, UL, ATEX |
| Ex Marking | II 3 G Ex nA IIC T4 Gc |
| EMC Standards | Conforms to EN 61000-6-2 and EN 61000-6-4 |
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Returns & Warranty

The BECKHOFF EL4114-0020 is a high-precision, 4-channel analog output EtherCAT Terminal designed for generating accurate current signals within industrial control systems. Operating in the range of 0 to 20 mA, this specialized terminal features 16-bit resolution and comes factory calibrated to ensure exceptional signal fidelity and minimal output error.
Compared to standard analog output models, the BECKHOFF EL4114-0020 variant is optimized for demanding automation and testing environments where high-precision control loop feedback is mandatory. Its integration into the EtherCAT system allows for fast, deterministic signal transmission, making it a reliable component in multi-axis machinery and distributed process systems.
With built-in support for Distributed Clocks (DC), the terminal enables synchronized output actions across the entire network with sub-microsecond precision. The 2-wire connection layout allows for a clean, space-saving arrangement within standard terminal boxes and electrical enclosures.
| Parameter | Specification |
| Manufacturer | BECKHOFF |
| Exact Model | EL4114-0020 |
| Product Type | EtherCAT Terminal |
| Number of Channels | 4 |
| Signal Current | 0 to 20 mA |
| Connection Technology | 2-wire, single-ended |
| Parameter | Specification |
| Power Supply | 24 V DC via power contacts |
| Current Consumption (E-Bus) | typ. 160 mA |
| Current Consumption (Power Contacts) | typ. 15 mA + load |
| Electrical Isolation | 500 V (E-bus / signal voltage) |
| Current Load Power Contacts | max. 10 A |
| Parameter | Specification |
| Resolution | 16-bit (including sign) |
| Load Resistance | < 350 Ohm (short-circuit proof) |
| Output Error | < 0.1% (relative to end value) |
| Output Rate | max. 4 ksps |
| Distributed Clocks (DC) | Yes (precision << 1 µs) |
| Calibration | Factory calibrated with calibration certificate |
| Parameter | Specification |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Weight | approx. 65 g |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| Protection Class | IP20 |
| Mounting | 35 mm DIN rail (EN 60715) with lock |
When replacing an existing terminal with the BECKHOFF EL4114-0020, verify that the 16-bit configuration and mapping match your TwinCAT process image settings, particularly if replacing a standard 12-bit output terminal. Ensure that the individual calibration requirements of your application are verified and documented with the newly supplied factory certificate details.
| Parameter | Specification |
| Approvals | CE, UL, ATEX |
| Ex Marking | II 3 G Ex nA IIC T4 Gc |
| EMC Standards | Conforms to EN 61000-6-2 and EN 61000-6-4 |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|