Wieland samos PRO COMPACT Manual page 188

After you have connected the controller – i.e. the EtherCAT master to the EtherCAT slaves –
you can scan the connected slaves.
TwinCAT shows the found slaves in the Solution Explorer as a box with the corresponding de-
vice names.
Table 126: Error
Error
Box is displayed with no device names.
No EtherCAT slave (box) is displayed.
The input data (inputs) are not up to date or
all have the value 0.
The output data (outputs) is transmitted to the
gateway but not displayed in the input data
sets.
Wieland Electric GmbH | BA000970 | 11/2016 (Rev. F)
EtherCAT Gateway
Cause
ESI file was not found.
Modules are not connected to the EtherCAT
master or are not powered.
The controller module is at stop or no data
was mapped to output data set 1.
Data sets 2 and 3 are displayed once the
controller module is in the RUN state.
No tags have been created in the input data
set.
188