SET
L 10
T #db157_dbb5
OPN DB 30
OPN DI 100
LAR1 P#0.0
L 34
SLD 3
LAR2
L 1
T #temp1
pidS: L #db157_dbb5
L #temp1
JC nxt
L DBW [AR1,P#0.0]
ITD
DTR
T DIW [AR2,P#0.0]
+AR1 P#2.0
+AR2 P#496.0
L #temp1
INC 1
T #temp1
JU pidS
nxt: NOP 0
运行仿真PLC,在db30.dbw0设定数值后,在db100.dbd34中没有显示???为甚?