Product description
EL6900 15Version: 2.2.0
The TwinSAFE Terminals enable connection of:
• 24 V
DC
sensors (EL1904) such as
emergency off pushbutton switches, pull cord switches, position switches, two-hand switches, safety
mats, light curtains, light barriers, laser scanner, etc.
• 24 V
DC
actuators (EL2904) such as
contactors, protection door switches with tumbler, signal lamps, servo drives, etc.
Note
Test pulses
When selecting actuators please ensure that the EL2904 test pulses do not lead to actuator
switching or diagnostic message from the EL2904.
The following TwinSAFE components have been developed for these tasks:
• The EL1904 is an EtherCAT Terminal with 4 digital fail-safe inputs.
• The EL2904 is an EtherCAT Terminal with 4 digital fail-safe outputs.
• The EL6900 is an EtherCAT Terminal with integrated TwinSAFE logic.
These TwinSAFE components are suitable for operation on the
• Beckhoff EKxxxx series Bus Couplers
• Beckhoff CXxxxx series Embedded PCs with E-bus connection
WARNING
Power supply from SELV/PELV power supply unit!
The TwinSAFE components must be supplied with 24V
DC
by an SELV/PELV power supply
unit with an output voltage limit U
max
of 36V
DC
. Failure to observe this can result in a loss of
safety.
CAUTION
Follow the machinery directive!
The TwinSAFE components may only be used in machines as defined in the machinery di-
rective.
CAUTION
Ensure traceability!
The buyer has to ensure the traceability of the device via the serial number.
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