EL3112 | Beckhoff EtherCAT Terminal 2-Channel Analog Input 0–20 mA 16-Bit
Beckhoff · Cables & Connectivity
Description The Beckhoff EL3112 is a 2-channel EtherCAT Terminal for differential analog current measurement in the range of 0–20 mA. With 16-bit resolution, fast conversion time, and advanced filter options, it ensures accurate data acquisition in industrial automation systems. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category I/O Terminals Part Number EL3112 Subcategory EtherCAT Analog Input Terminals Protocol EtherCAT Number of Inputs 2 (differential) Signal Current 0…20 mA Resolution 16-bit (including sign) Conversion Time ~50 µs (fast mode ~35 µs) Input Filter Limit Frequency 5 kHz Common-Mode Voltage max. 10 V Internal Resistance typ. 85 Ω + diode voltage Measurement Error < ±0.3% (relative to full scale) Distributed Clocks Yes Distributed Clock Precision < 1 µs Surge Voltage Resistance 35 V DC Electrical Isolation 500 V (E-bus/signal voltage) Current Consumption (E-bus) typ. 170 mA Power Supply via E-bus Bit Width in Process Image Inputs: 8 byte Special Features Standard/compact process image, FIR/IIR filters, limit value monitoring Operating Temperature -25…+60 °C Storage Temperature -40…+85 °C Relative Humidity 95%, no condensation Dimensions (W x H x D) 12 x 100 x 68 mm Material Polycarbonate Installation 35 mm DIN rail (EN 60715) with lock Weight approx. 55 g Information About EL3112 The EL3112 is part of Beckhoff’s EtherCAT I/O terminal family, designed for precise analog current measurement in distributed automation systems. It features two differential inputs capable of measuring currents in the 0–20 mA range, supporting high-resolution data acquisition for process monitoring and control. With 16-bit resolution, distributed clocks with <1 µs precision, and fast conversion times down to 35 µs, the EL3112 offers both speed and accuracy for demanding applications. Its advanced features include configurable FIR/IIR filters, compact or standard process image modes, and limit value monitoring, making it suitable for a wide variety of industrial control environments. Key Features: Dual Analog Inputs: Provides two differential input channels for current signals up to 20 mA. High Resolution: 16-bit signed resolution ensures accurate measurement and fine signal detail. Fast Conversion Time: Supports standard conversion at 50 µs and fast mode at 35 µs for dynamic applications. Advanced Synchronization: Distributed clock support with <1 µs precision enables precise system-wide timing. Flexible Filtering Options: Configurable FIR/IIR filters and 5 kHz input bandwidth improve signal quality. Integrated Safety Features: Limit value monitoring and 35 V surge voltage resistance protect connected systems. Rugged Industrial Design: Electrically isolated up to 500 V between E-bus and signal voltage for secure operation. Compact Form Factor: Slim 12 mm housing with DIN rail installation allows easy integration into control cabinets. Wide Environmental Tolerance: Operates between -25 °C and +60 °C and supports up to 95% humidity without condensation. Low Power Consumption: Draws only 170 mA from the E-bus for efficient system operation. The EL3112 delivers the reliability and precision required for high-speed, high-accuracy current measurement in EtherCAT-based industrial automation systems.
Brand: Beckhoff · Category: Cables & Connectivity
Key features
- Dual Analog Inputs: Provides two differential input channels for current signals up to 20 mA.
- High Resolution: 16-bit signed resolution ensures accurate measurement and fine signal detail.
- Fast Conversion Time: Supports standard conversion at 50 µs and fast mode at 35 µs for dynamic applications.
- Advanced Synchronization: Distributed clock support with <1 µs precision enables precise system-wide timing.
- Flexible Filtering Options: Configurable FIR/IIR filters and 5 kHz input bandwidth improve signal quality.
- Integrated Safety Features: Limit value monitoring and 35 V surge voltage resistance protect connected systems.
- Rugged Industrial Design: Electrically isolated up to 500 V between E-bus and signal voltage for secure operation.
- Compact Form Factor: Slim 12 mm housing with DIN rail installation allows easy integration into control cabinets.
- Wide Environmental Tolerance: Operates between -25 °C and +60 °C and supports up to 95% humidity without condensation.
- Low Power Consumption: Draws only 170 mA from the E-bus for efficient system operation.
Specifications
| Manufacturer part number | EL3112 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Beckhoff |
| Category | I/O Terminals |
| Part Number | EL3112 |
| Subcategory | EtherCAT Analog Input Terminals |
| Protocol | EtherCAT |
| Number of Inputs | 2 (differential) |
| Signal Current | 0…20 mA |
| Resolution | 16-bit (including sign) |
| Conversion Time | ~50 µs (fast mode ~35 µs) |
| Input Filter Limit Frequency | 5 kHz |
| Common-Mode Voltage | max. 10 V |
| Internal Resistance | typ. 85 Ω + diode voltage |
| Measurement Error | < ±0.3% (relative to full scale) |
| Distributed Clocks | Yes |
| Distributed Clock Precision | < 1 µs |
| Surge Voltage Resistance | 35 V DC |
| Electrical Isolation | 500 V (E-bus/signal voltage) |
| Current Consumption (E-bus) | typ. 170 mA |
| Power Supply | via E-bus |
| Bit Width in Process Image | Inputs: 8 byte |
| Special Features | Standard/compact process image, FIR/IIR filters, limit value monitoring |
| Operating Temperature | -25…+60 °C |
| Storage Temperature | -40…+85 °C |
| Relative Humidity | 95%, no condensation |
| Dimensions (W x H x D) | 12 x 100 x 68 mm |
| Material | Polycarbonate |
| Installation | 35 mm DIN rail (EN 60715) with lock |
| Weight | approx. 55 g |
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