5 Commissioning the Module in xSystemXION_HTB_RSXXX data handling function block78 XI/ON: XN-1RS232 09/2011 MN05002013Z-EN www.eaton.comTable 37: Input variables of the XION_HTB_RSXXXVariable MeaningEnableRecv 1: Receiving of data enabled.0: Receiving of data disabled.EnableSend 1: Transmit data enabled.0: Transmit data disabled.Quit 1: Error messages are reset (acknowledgement of errors).Communication is stopped.0: These are retained if error messages are present.CLR_Buf_Rx 1: The clearing of the receive buffer is preset. The bufferis always successfully cleared if:EnableRecv = 0Quit = 10: No influence on the module function.CLR_Buf_Tx 1: The clearing of the transmit buffer is preset. The bufferis always successfully cleared if:EnableSend = 0Quit = 10: No influence on the module function.RxData Pointer to the receive address range of the XN-1RS232module.The address to this address range is generated anddisplayed when an XN-1RS232 module is added to the“PLC configuration” area.This address, such as % IB22 can be converted directly orvia a variable to the RxData pointer:RxData:=ADR(% IB22)RxData:=ADR()The variable must be declared with the same type as%IB22.