Beckhoff EPP3504-0023 Short Manual page 128

Commissioning on EtherCAT Master
Insertion of certain components (I/O device, terminal, box...) by users functions the same way as in
TwinCAT 2 and TwinCAT 3. The descriptions below relate solely to the online procedure.
Example configuration (actual configuration)
Based on the following example configuration, the subsequent subsections describe the procedure for
TwinCAT 2 and TwinCAT 3:
• CX2040 control system (PLC) including CX2100-0004 power supply unit
• Connected to CX2040 on the right (E-bus):
EL1004 (4-channel digital input terminal 24 V
• Linked via the X001 port (RJ-45): EK1100 EtherCAT Coupler
• Connected to the EK1100 EtherCAT Coupler on the right (E-bus):
EL2008 (8-channel digital output terminal 24 V
• (Optional via X000: a link to an external PC for the user interface)
Fig. 52: Control configuration with Embedded PC, input (EL1004) and output (EL2008)
Note that all combinations of a configuration are possible; for example, the EL1004 terminal could also be
connected after the coupler, or the EL2008 terminal could additionally be connected to the CX2040 on the
right, in which case the EK1100 coupler wouldn't be necessary.
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Version: 1.2 EPP3504-0023