Function Call in ST

READ_INPUT
     (EN := RAED_INPUT_EN,
     SLOT:= RAED_INPUT_SLOT,
     SLV := RAED_INPUT_SLV,
     DATA:= ADR(RAED_INPUT_DATA));


READ_INPUT_DONE:= READ_INPUT.DONE;
READ_INPUT_ERR := READ_INPUT.ERR;
SYSDIAG_ERNO   := SYSDIAG.ERNO;
READ_INPUT_DATA_LEN:= READ_INPUT.DATA_LEN;