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Specification & Description
| Specification | Description |
|---|---|
| Part Number | EL5101 |
| Manufacturer | Beckhoff |
| Product Type | EtherCAT Terminal for Position Measurement |
| Interface | 1-channel encoder interface, incremental |
| Voltage Supply | 5 V DC |
| Signal Compatibility | DIFF RS422, TTL |
| Maximum Input Frequency | 1 MHz |
| Number of Channels | 1 |
| Encoder Connection | Differential inputs (RS422) and single-ended (TTL) |
| Counter | 1 x 16/32 bits switchable |
| Limit Frequency | 4 million increments/s with 4-fold evaluation |
| Quadrature Decoder | 4-fold evaluation |
| Distributed Clocks | Yes |
| Nominal Voltage | 24 V DC (-15% /+20%) |
| Resolution | 1/256 bit micro increments |
| Current Consumption (Power) | Typically 100 mA + load |
| Current Consumption (E-bus) | Typically 130 mA |
| Special Features | Wire breakage detection, latch and gate function, period duration and frequency measurement, etc. |
| Weight | Approx. 100 g |
| Operating/Storage Temperature | -25…+60 °C / -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 |
| Protection Rating | IP20 |
| Installation Position | Variable, on 35 mm DIN rail conforming to EN 60715 with lock |
| Approvals/Markings | CE, UL, ATEX |
| Ex Marking | II 3 G Ex nA IIC T4 Gc |
| Housing Material | Polycarbonate |
| Dimensions (W x H x D) | 24 mm x 100 mm x 68 mm |
| Connection Type | Spring actuation by screwdriver for solid, stranded wire and ferrule |
| Connection Cross-Section | Solid/stranded wire: 0.08…2.5 mm², Flexible conductor: 0.14…1.5 mm² |
| Stripping Length | 8…9 mm |
| Current Load (Power Contacts) | Max: 10 A |
| Pluggable Wiring | For all ESxxxx terminals |
The Beckhoff EL5101 EtherCAT Terminal is a versatile and high-performance interface designed for the direct connection of incremental encoders with differential RS422 or TTL single-ended signals. This terminal is capable of handling input frequencies up to 1 MHz, making it suitable for a wide range of position measurement applications in industrial automation systems.
Engineered for precision, the EL5101 features a 1-channel encoder interface that can evaluate two additional 24V digital inputs for tasks such as storing, blocking, or setting the counter status. The terminal also provides an error message output for connected encoders, which can be evaluated via the status input, ensuring reliable operation and quick troubleshooting.
With a supply voltage of 5V DC for the encoder and 24V DC for power contacts, the EL5101 is designed to be both energy-efficient and robust. The terminal includes a counter that can be switched between 16/32 bits, offering flexibility in application. The limit frequency of 4 million increments per second, with 4-fold evaluation, allows for high-speed data processing and accurate position tracking.
The EL5101 also boasts features such as wire breakage detection, latch and gate functions, period duration and frequency measurement, micro increments, and timestamping of edges. These advanced functions provide enhanced capabilities for complex motion control applications.
The compact terminal housing with signal LEDs offers a clear visual status indication, while the pluggable wiring design simplifies installation and maintenance. The terminal is also equipped with distributed clocks for synchronised data acquisition across the EtherCAT network.
Constructed with a poly carbonate material, the EL5101 is durable and has an electrical isolation of 500V between the E-bus and field potential. It operates within a temperature range of -25 to +60°C and can withstand the rigours of industrial environments, as evidenced by its compliance with relevant vibration, shock, and EMC standards.
Overall, the Beckhoff EL5101 EtherCAT Terminal is a reliable and efficient solution for integrating incremental encoders into automation systems, providing precise position measurement and control for a variety of industrial applications.
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Frequently Asked Questions
What type of position measurement does this EtherCAT Terminal support?
The EtherCAT Terminal supports incremental position measurement with differential (RS422) or TTL single-ended signals.
Can this terminal interface with incremental encoders?
Yes, it is designed to interface directly with incremental encoders that have differential signals or TTL single-ended signals.
What is the maximum input frequency the terminal can handle?
The terminal can evaluate input frequencies up to 1 MHz, which corresponds to 4 million increments per second with 4-fold evaluation.
Does the terminal have any special features for position measurement?
Yes, it includes features such as wire breakage detection, latch and gate functions, period duration and frequency measurement, micro increments, and timestamping of edges.
Is there a feature for synchronising the reading of position values?
Yes, the terminal supports synchronous reading of the encoder value with other input data in the EtherCAT system via high-precision distributed clocks.
What is the power supply requirement for the encoder connected to this terminal?
The encoder operating voltage is 5 V DC with a maximum current of 0.5 A, which can be provided directly via the terminal connection points.
What is the resolution of the position measurement?
The terminal offers a resolution of 1/256 bit micro increments for precise position measurement.
Can the terminal be used with different types of wires?
Yes, it can be connected using solid or flexible conductors, and it also accommodates ferrules.
What certifications does the terminal hold?
The terminal is CE and UL certified, and also has an ATEX marking for use in potentially explosive atmospheres.
What environmental conditions can the terminal operate under?
It is designed to operate in temperatures ranging from -25 to +60 degrees Celsius and can withstand relative humidity up to 95% without condensation.
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