BECKHOFF EK1914 - Manual (Page 15)

Product description
EK1914 13
3.2 Intended use
WARNING
Caution - Risk of injury!
The TwinSAFE Bus Coupler may only be used for the purposes described below!
The EK1914 TwinSAFE Bus Coupler expands the application area of the Beckhoff Bus Terminal system
by functions that enable it to be used in the field of machine safety as well. The TwinSAFE Bus Coupler is
designed for machine safety functions and directly associated industrial automation tasks. They are
therefore only approved for applications with a defined fail-safe state. This safe state is the wattless state.
Fail-safety according to the relevant standards is required.
The TwinSAFE Bus Coupler permits the connection of:
•
24 V
DC
sensors such as
emergency stop push buttons, pull cord switches, position switches, two-hand switches, safety
mats, light curtains, light barriers, laser scanners etc.
•
24 V
DC
actuators such as
contactors, protective door switches with tumbler, signal lamps, servo drives etc.
Note
Test pulses
When selecting actuators, please ensure that the EK1914 test pulses do not
lead to actuator switching or a diagnostic message from the EK1914.
This module is suitable for operation in an EtherCAT network and can be extended by EtherCAT
Terminals of the type ELxxxx.
CAUTION
Follow the machinery directive
The TwinSAFE Bus Coupler may only be used in machines in accordance with the
machinery directive.
CAUTION
Ensure traceability
The buyer has to ensure the traceability of the device via the serial number.