Function Call in ST

RCOMRead(

EN := RCOMRead_EN,

SLOT := RCOMRead_SLOT,

NODE := RCOMRead_NODE,

IDT := RCOMRead_IDT,

DATA := ADR(RCOMRead_DATA),

LEN := RCOMRead_LEN);

RCOMRead_DONE := RCOMRead.DONE;

RCOMRead_ERR  := RCOMRead.ERR;

RCOMRead_ERNO := RCOMRead.ERNO;