EP2339-0003 - Process imageDI Inputs Channel n Input xDigital inputs. Data type: BIT. Sync errorThis bit is only relevant in Distributed Clocks mode.It is TRUE if a synchronization error occurred during the elapsed EtherCAT cycle. TxPDO StateValidity of the input data. This bit is TRUE if the input data could not be read correctly due to an error. TxPDO ToggleThis bit is inverted each time an input data update occurs. DO Outputs Channel n Output xDigital outputs. Data type: BIT.