Beckhoff ELX3312 Operating Manual page 64

Parameterization and programming
Fig. 46: ELX3312 – Process data selection in TwinCAT
If the terminal is selected in the System Manager (A), the Process data tab (B) shows the PDO selection.
The two SyncManagers of the inputs (SM3) and outputs (SM2) can be changed (C). If one of the two is
clicked on, the PDO possible for this SyncManager appears underneath it (D). PDOs that are already
activated have an activated checkbox in front of them; this is activated by clicking on it.
The process data which then belong to the device are listed underneath it (G). So that the individual bit
meanings are visible, e.g. in the Status status word, and can be separately linked (G), ShowSubVariables
must be activated in the System Manager (F). The bit position at which the subvariables are located in the
status or control word Ctrl) can be taken from the address overview (H) or the following information.
Predefined PDO Assignment
In order to simplify the configuration, typical configuration combinations of process data are stored in the
device description. The predefined configurations can be selected in the process data overview. Therefore
the function is available only if the ESI/XML files are saved in the system (downloadable from the Beckhoff
website).
The following combinations are possible (see also Fig. ELX3312 -Process data selection in TwinCAT, E):
Fig. 47: ELX331x - selection Predefined PDO Assignment
64 Version: 1.3.0 ELX3312 and ELX3314