EXTERN GRTEST(REAL,REAL,REAL,REAL ,REAL,REAL,REAL,REAL,REAL,INT,INT )

N10 ID=1 WHENEVER(0==0) DO $R300=$A_INA[1]/2000 ;PREPARE READING MEASURD VALUE

N20 SAFEPOS

N21 STOPRE

N22 R313=R300

N23 STOPRE

;N30 M28 ;POS HEAD 

;N40 G4 F3

N41 TT:

N42 IF R300==R313 GOTOB TT

N43 STOPRE

N44 R303=R300

N45 STOPRE

;N46 M29 ;POS HEAD 

N50 M02=04 S2=110;WORKPIECE SPEED

N55 $P_IFRAME=CTRANS(X,R212-R29/2,Z,R213);T1

N60 GRTEST(47.021 ,0 ,2 ,0.45 ,0.048 ,0.012 ,0.6 ,82 ,0.008,0 ,0)

N70 SAFEPOS

N80 M80

N85 R215=R215-1

N90 IF R215>0 GOTOF N100

N95 L0155

N96 R215=R216

N100 M60;SET CHANGE PART POSITION

N120 M30

屏蔽上面红色部分后，能够正常跑程序了

N41 TT:

N42 IF R300==R313 GOTOB TT

是不是因为这里死循环所以停留在了N23步？但是为什么有时候等一会，程序又接着执行呢？