Commissioning
EL10xx, EL11xx 69Version: 4.5
5.1.4 ONLINE configuration creation
Detecting/scanning of the EtherCAT device
The online device search can be used if the TwinCAT system is in CONFIG mode. This can be indicated by
a symbol right below in the information bar:
• on TwinCAT2 by a blue display “Config Mode” within the System Manager window: .
• on TwinCAT3 within the user interface of the development environment by a symbol .
TwinCAT can be set into this mode:
• TwinCAT2: by selection of in the Menubar or by “Actions” → “Set/Reset TwinCATtoConfig
Mode…”
• TwinCAT3: by selection of in the Menubar or by „TwinCAT“ → “RestartTwinCAT(ConfigMode)“
Online scanning in Config mode
The online search is not available in RUN mode (production operation). Note the differentiation be-
tween TwinCAT programming system and TwinCAT target system.
The TwinCAT2 icon ( ) or TwinCAT3 icon ( ) within the Windows-Taskbar always shows the
TwinCAT mode of the local IPC. Compared to that, the System Manager window of TwinCAT2 or the user
interface of TwinCAT3 indicates the state of the target system.
Fig.61: Differentiation local/target system (left: TwinCAT2; right: TwinCAT3)
Right-clicking on “I/O Devices” in the configuration tree opens the search dialog.
Fig.62: Scan Devices (left: TwinCAT2; right: TwinCAT3)
This scan mode attempts to find not only EtherCAT devices (or Ethernet ports that are usable as such), but
also NOVRAM, fieldbus cards, SMB etc. However, not all devices can be found automatically.
Fig.63: Note for automatic device scan (left: TwinCAT2; right: TwinCAT3)
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