Maintenance teams planning replacements for EL3068 frequently review Beckhoff El9410, El9550 Beckhoff and Beckhoff El2809 to prevent downtime, checking availability and compatibility with existing systems.
EL3068 - Beckhoff EtherCAT Terminal Analog Input
Technical Specifications of Beckhoff EtherCAT Terminal Analog Input EL3068:
| Brand | Beckhoff |
| Product Type | EtherCAT Terminal Analog Input |
| Product | EL3068 |
EL3068 Beckhoff EtherCAT Terminal Analog Input Technical Specifications
| Specification | Value |
|---|---|
| Number of inputs | 8 (single-ended) |
| Measurement error/uncertainty | > 130 kΩ |
| Input filter limit frequency | 1 kHz |
| Dielectric strength | max. 30 V |
| Measurement error/uncertainty 2 | < ±0.3% (relative to full scale value) |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12Â mm x 100Â 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*: 0.0..2.5 mm²,st*: 0.08..2.5 mm²,f*: 0.14...1.5 mm² |
| 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 |
| Power supply | via the E-bus |
| Conversion time | 1.25 ms default setting, configurable, multiplex |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Current consumption E-bus | typ. 130 mA |
| Bit width in the process image | inputs: 32 byte |
| Special features | activatable FIR/IIR filters, limit value monitoring |
| Weight | approx. 60 g |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| 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 |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Pluggable wiring | for all ESxxxx terminals |
The Beckhoff EL3068 EtherCAT Terminal Analog Input offers 8 single-ended input channels designed for precise current signal acquisition in process automation. It supports 4–20 mA measurement with a conversion time of 1.25 ms (multiplex configurable), ensuring fast and reliable updates to the process image. Advanced features such as FIR/IIR digital filters, limit value monitoring, and 500 V electrical isolation provide measurement stability and protection against interference. With a typical measurement error of less than ±0.3% relative to full scale, this compact terminal guarantees accurate data capture. Its slim housing (12 × 100 × 68 mm, approx. 60 g) and pluggable wiring simplify installation on DIN rails, while diagnostic LEDs offer clear status monitoring.
Built for rugged environments, the EL3068 operates reliably from -25°C to +60°C, with storage capability down to -40°C. Certified with CE, CCC, UL, ATEX, and IECEx approvals, it is suitable for global deployment, including use in hazardous areas (ATEX Zone 2). The terminal ensures compliance with EN 61000-6-2/6-4 EMC standards and vibration/shock resistance per EN 60068, making it a dependable choice for continuous industrial operations. Its efficient E-bus consumption of just 130 mA also allows engineers to scale dense automation panels without increasing power demand.
Applications of the Beckhoff EL3068 EtherCAT Terminal Analog Input include process monitoring, energy management, and machine control systems where accurate current feedback is critical. OEMs and system integrators benefit from its easy scalability within the EtherCAT ecosystem, while maintenance teams appreciate its diagnostic tools for reducing downtime. Engineering students and junior technicians can also use the EL3068 to learn about industrial current measurement and digital signal processing in real-world conditions. With Beckhoff’s trusted engineering and innovation, this module ensures precise analog input handling, long-term reliability, and seamless integration into advanced automation projects.
