_int : REFERENCE TO INT; ref_dw : REFERENCE TO DWORD; END [...] 类型变量 REFERENCE TO 理由：IEC 61131

Test : POINTER TO INT; i : INT [...] :=0 TO 10 DO pi

Teststruct : POINTER TO TESTSTRUCT

poiValue : POINTER TO INT; END

; PROGRAM SA0042 VAR ptiTemp:POINTER TO INT; s

： POINTER TO <basic type> 参考： REFERENCE TO [...] 7 : POINTER TO ARRAY[1..3

: POINTER TO INT; y : INT [...] ; FOR i := 0 TO 5 DO