Beckhoff EL28 Series Documentation page 79

Fig. 51: Relationship between user side (commissioning) and installation
The user inserting of certain components (I/O device, terminal, box...) is the same in TwinCAT 2 and
TwinCAT 3. The descriptions below relate to the online procedure.
Sample configuration (actual configuration)
Based on the following sample configuration, the subsequent subsections describe the procedure for
TwinCAT 2 and TwinCAT 3:
• Control system (PLC) CX2040 including CX2100-0004 power supply unit
• Connected to the CX2040 on the right (E-bus):
EL1004 (4-channel analog input terminal -10...+10 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 DC; 0.5 A)
• (Optional via X000: a link to an external PC for the user interface)
EL28xx-xxxx Version: 2.2
Commissioning
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