DIGITAL INPUT MODULE BECKHOFF EtherCAT – EL1918 TwinSAFE
Beckhoff EtherCAT – EL1918 TwinSAFE digital input terminal designed with safety parameters in mind to flexibly adjust the functionality to specific requirements, which allows you to handle various types of sensors.
Number of inputs: 8, IP20, Weight: 50g
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The communication technologies of the Beckhoff EtherCAT series include products for all application areas and environmental conditions.
The Beckhoff EtherCAT – EL1918 TwinSAFE digital input terminal, designed for sensors with potential-free contacts, has been designed with safety parameters in mind to flexibly adjust the functionality to specific requirements. For example, test pulses can be fine-tuned for all eight channels to accommodate a variety of sensor types.
Safety parameters are not directly stored in the EL1918 component itself. Instead, they are sent to the input terminal via the TwinSAFE Logic component when the safety application starts. This design simplifies service procedures because the component can be replaced without having to reconfigure parameters. Safety-related parameters are transferred to the new component when the safety application is restarted.
An additional benefit offered by the EL1918 is the integration of the functionality of the EL6910 TwinSAFE Logic component. Moreover, the EL1918 itself can act as a safety controller at any time. In default mode, the EL1918 component acts as a simple input terminal, passing input signals via the FSoE protocol to the component supporting TwinSAFE logic. It can also be used as a dedicated safety controller, processing input signals directly in the terminal and transferring the collected information to the TwinSAFE logic module. There is also the option of implementing a comprehensive safety application directly on the EL1918 component. The range of functions is comparable to that of the EL6910 component, with the exception of limiting the number of possible secure connections to 128.
Overall, the EL1918 component is a versatile input terminal offering not only safe inputs but also integration with TwinSAFE logic and the ability to act as a safety controller in a variety of configurations. An EL1918-2200 version is also available which is suitable for applications that do not require integrated TwinSAFE logic.
Special features of EL1918:
- 8 secure inputs
- integrated TwinSAFE Logic (functionality similar to EL6910)
- up to 128 secure connections
- fine-grained configuration of test pulses of individual channels
|Specification||link unit between safe input and output signals|
|Number of inputs||8|
|Protocol||TwinSAFE/Safety over EtherCAT|
|Fault response time||≤ watchdog time (parameterizable)|
|Current consumption power contacts||see documentation|
|Current consumption E-bus||typ. 165 mA|
|Safety standard||EN ISO 13849-1:2015 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)|
|Weight||approx. 50 g|
|IP protection rating||IP20|
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