START :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.START
RAMP_UP :=1.000000e+003
RAMP_DOWN :=1.000000e+003
PLC_CYCLETIME :="DB_DATA".PLC_CYCLETIME
RATED_VALUE_PRESET:="DB_LETOFF".STATION_A.STOCKROLL.SPEED
STOP :=FALSE
CORRECTION_CALC :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.CORRECTION_CALC
PW_RV_OUTPUT :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.PW_RV_OUTPUT
DRIVE_ENABLE :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.DRIVE_ENABLE
BRAKE :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.BRAKE
CORRECTION_VALUE :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.CORRECTION_VALUE
ACTUAL_VALUE :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.ACTUAL_VALUE
MEMO_RATED_VAL :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.MEMO_RATED_VAL
DIFFERENCE :="DB_LETOFF".STATION_A.STOCKROLL.INTEGRATOR.DIFFERENCE
程序中经常会有这种无法用梯形图转换的计算程序,但又不明白是怎么个逻辑关系,所以想问一下,有没有相关资料可以了解一下这个,谢谢了...