EL5101-0090

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The EL5101-0090 EtherCAT terminal features a single channel, differential encoder connection with RS422 inputs, extreme fast control with distributed clocks, and consumes a typical E-bus current of 130 mA. Part of the EL EtherCAT Terminal Series, manufactured by Beckhoff, it operates within a temperature range of -25 to +60°C.

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Product Description:

The EL5101-0090 is an Ethercat terminal by Beckhoff designed to connect to a wide range of encoders. It features an incremental encoder interface that supports differential (RS422) and single-ended (TTL) signal formats. The terminal comes with one input for encoder connection and two extra 24 V digital inputs that enable users to manage the counter's status effectively. The additional inputs can be utilized for storing specific data, blocking operations or setting the counter to a desired state. The terminal provides an encoder voltage of 5 V DC, with a maximum current draw of 0.5 A. It is designed to support various encoder connections, including a differential input configuration (RS422) for signals A, B, and C, along with their inverted counterparts (A̅, B̅, C̅).

The EL5101-0090 features a limit frequency of 1 MHz, meaning the device can handle signals that change up to 1 million times per second. This allows for precise measurements and control in high-speed applications. The terminal supports TwinSAFE SC technology, enhancing safety functions for improved efficiency. TwinSAFE SC allows for the implementation of safety measures, such as emergency stop and safe motion monitoring, without requiring separate wiring or additional hardware. The terminal is equipped with a wire breakage detection feature that allows it to identify when an encoder or sensor connection has been interrupted due to a wire failure. This helps prevent potential downtimes and operational issues.

The EL5101-0090 can function effectively in environments ranging from -25°C to +60°C, making it suitable for a variety of applications. It can also operate effectively in relative humidity levels of up to 95% without condensation, allowing it to be used in moist environments. It has an IP20 protection rating, making it suited for use in indoor environments.

Additional Inputs
Status input 5 V DC; gate/latch input 24 V DC
Approvals/Markings
CE, UL, ATEX, IECEx
Current Consumption (E-Bus)
typ. 130 mA
Current Consumption (Power Contacts)
typ. 100 mA + load
EMC Immunity/Emission
EN 61000-6-2, EN 61000-6-4
Encoder Connection (Counter/Pulse gen)
A, B
Encoder Connection (RS-422 diff)
A, A̅, B, B̅, C, C̅
Encoder Connection (TTL single-ended)
A, B, C
Encoder Operating Voltage
5 V DC (max)
Extreme Fast Control
Distributed Clocks; Timestamp; Microincrements
Limit Frequency
4 M increments/s (1 MHz ×4 evaluation)
Number of Channels
1
Operating Temperature
-25…+60 °C
Resolution
1/256 bit microincrements
Shock Resistance
EN 60068-2-27
Storage Temperature
-40…+85 °C
Vibration Resistance
EN 60068-2-6

Frequently Asked Questions about EL5101-0090:

Q: What types of encoder connections does the EL5101-0090 support?

A: The EL5101-0090 supports both differential (RS422) and single-ended (TTL) encoder connections. This versatility allows it to be used with a variety of encoder types.

Q: What is the limit frequency of the EL5101-0090?

A: The EL5101-0090 has a limit frequency of 1 MHz, allowing it to accurately handle rapid signal changes in high-speed applications.

Q: What safety technology does the EL5101-0090 support?

A: The EL5101-0090 supports TwinSAFE SC technology, which integrates safety functions directly into the EtherCAT communication.

Q: What is the operating temperature range for the EL5101-0090?

A: The EL5101-0090 can operate in temperatures ranging from -25°C to +60°C. This wide range allows it to function reliably in diverse industrial environments.

Q: Does the EL5101-0090 offer electrical isolation?

A: Yes, the EL5101-0090 provides electrical isolation of 500 V between the E-bus and field potential. This feature helps protect sensitive equipment from electrical noise and potential damage.


Internal Product Review

  • ‘‘The EL5101-0090 provides a reliable and efficient solution for connecting incremental encoders with easy integration into existing setups. However, additional configuration is needed when implementing the TwinSAFE SC technology.’’

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