BECKHOFF EL1904 - Manual (Page 32)

Operation
30 EL1904
4.3 Configuration of the EL1904 in the TwinCAT System
Manager
CAUTION
Do not change CoE objects!
Do not change any of the CoE objects in the TwinSAFE terminals. Any modifications
(e.g. via the System Manager) of the CoE objects would permanently set the terminals
to the Fail-Stop state or result in unexpected behavior of the terminals!
4.3.1 Inserting a Beckhoff Bus Coupler
See TwinCAT automation software documentation.
4.3.2 Inserting a Beckhoff Bus Terminal
See TwinCAT automation software documentation.
4.3.3 Inserting an EL1904
An EL1904 is inserted in the same way as any other Beckhoff Bus Terminal. In the list open Safety
Terminals (ELx9xx)
and select the EL1904.