模式的3个连续的扫描周期。注意整个扫描时间可能因逻辑窗口扫描时间的不同而不同，但是为通讯窗口和后台窗口指定的时间是常数。因为窗口时间为常数，所以一个周期内某些窗口可能跳过，暂缓或者执行多次。
FANUC A06B-6057-H203 USPP A06B6057H203
BAILEY CONTROLS NCOM-04 NSFP NCOM04
BAILEY CONTROLS IMCOM-03 NSFP IMCOM03
BAILEY CONTROLS NCOM-03 NSFP NCOM03
MITSUBISHI DL-SBZ-2-3.7K-X?YCM USPP DLSBZ237KXYCM
GENERAL ELECTRIC DS200GDPAG1AKF NSFP DS200GDPAG1AKF
INDRAMAT MAC90C-0-G-4C/1?10-A-1/W1520/S0?1 NSPP MAC90C0G4
RONAN ENGINEERING CO 8.8LC-2000 USPP 88LC2000
ASEA BROWN BOVERI PSTB57060070 USPP PSTB57060070
ALLEN BRADLEY 1771-DA FNFP 1771DA
INDRAMAT MAC112D-0-ED-4-?C/130-B-0/WI520?/S005 USPP MAC11
ALLEN BRADLEY 1771-DMC4 USPP 1771DMC4
CUTLER HAMMER 92P00836-00 USPP 92P0083600
SIEMENS 6ES7-624-1AE00-?0AE3 USPP 6ES76241AE000AE?3
RELIANCE ELECTRIC 2EC40-20 USPP 2EC4020
RELIANCE ELECTRIC 2EC4040 USPP 2EC4040
ASEA BROWN BOVERI 52700141 USPP 52700141
LENZE 28050309 FNFP 28050309
