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Beckhoff Automation Pty. Ltd.

Building 4, 163–179 Forster Road
Mount Waverley, VIC 3149, Australia

+61 3 9912 5430
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www.beckhoff.com/en-au/

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EJ2918 | EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic

EtherCAT plug-in modules of the EJ series

Efficient series machine manufacturing: plug-and-play in the control cabinet

EtherCAT plug-in modules: Bus Terminals for circuit boards

EtherCAT plug-in modules of the EJ series

Efficient series machine manufacturing: plug-and-play in the control cabinet

EtherCAT plug-in modules: Bus Terminals for circuit boards

The EJ2918 EtherCAT plug-in module is a TwinSAFE component with outputs for actuators with 24 V DC. The module has eight fail-safe outputs, which are controlled via FSoE by a TwinSAFE Logic-capable component.

The EJ2918 has safety parameters to specifically adapt the functionality to the respective safety requirements. For example, test pulses can be configured with fine granularity for all channels.

The safety parameters are not stored directly on the component, but are transmitted to the input component via a TwinSAFE Logic-capable component when the safety application is started. This simplifies service procedures, because in this case the component can simply be replaced. The safety-relevant parameters are transferred to the new component when the safety application is restarted.

In addition, standard outputs can be activated for the EJ2918, as a result of which corresponding standard outputs are available in parallel with and internally ANDed with the safe outputs of the EJ2918. The safe output signals, which are controlled by a TwinSAFE Logic, thus issue the safe release for the standard signals, which can be triggered by the non-safety oriented controller independently of the cycle of the safety controller and FSoE. This allows faster switching times of the outputs, provided that the safety controller issues the necessary release for the output.

A further highlight is the integration of the functionality of the EL6910 TwinSAFE Logic. The EJ2918 can also be used as a safety controller. In the default case, the EJ2918 is a simple output module. It can also be used directly as a safety controller in order to prepare output signals before they are actually output, or a complete safety application can be implemented on the EJ2918. The range of functions corresponds to that of the EL6910. The only difference is the limitation of the number of possible safe connections to 128. Apart from that, all the advantages of the new generation of safety controllers can be used (see EL6910 customizing, incremental download, analog value processing, etc.).

 

Special features EJ2918:

  • 8 safe outputs
  • integrated TwinSAFE Logic (functionality similar to the EL6910)
  • up to 128 safe connections
  • fine granular configuration of the test pulses of the individual channels
  • Standard outputs can be activated with integrated ANDing with a safe output signal

 

For applications without integrated TwinSAFE Logic, the EJ2918-2200 can be used.

 

Special features EJ2918-2200:

  • 8 safe outputs
  • fine granular configuration of the test pulses of the individual channels
  • Standard outputs can be activated with integrated ANDing with a safe output signal
  • TwinSAFE Logic not integrated

Product status:

regular delivery

Product information

Technical dataEJ2918
Connection technologydistribution board
Specificationlink unit between safe input and output signals
Number of outputs8
Max. output current0.5 A
ProtocolTwinSAFE/Safety over EtherCAT
Fault response time≤ watchdog time (parameterizable)
Current consumption E-bustyp. 310 mA
Safety standardEN ISO 13849-1:2015 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Weightapprox. 62 g
Protection ratingIP20
Housing dataEJ-12-2x16pin-extended
Design formEtherCAT I/O plug-in module
Materialpolycarbonate
Installationon signal distribution board
Mechanical codingEJ plug-in module: signal-specific coding pins on the housing,
signal distribution board: holes in the printed circuit board
Lockinglatching lug in circuit board cut-out
Connection methodfield wiring: application-specific wiring level on the signal distribution board,
EJ plug-in module: 2 x 20-pin socket strip
Dimensions (W x H x D)12 mm x 152 mm x 55 mm
Ordering information
EJ2918EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE, TwinSAFE Logic
EJ2918-2200EtherCAT plug-in module, 8-channel digital output, 24 V DC, 0.5 A, TwinSAFE

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