描述
如用PLC控制某运动部件动作，看施加控制后动作进行了没有，可用看门狗办法实现监控。具体作法是在施加控制的同时，令看门狗定时器计时。如在规定的时间内动作完成，即定时器未超过警戒值的情况下，已收到动作完成信号，则说明控制对象工作正常
AMAT COVER RING, SMALL ID, AL ARC-SPRAYED 30 0021-18485
APPLIED MATERIALS (AMAT) DEPOSITION RING P/N 0020-60201
AMAT TUBE, NICKEL LIFT 0021-26635
STI ASTI (USA) INC PC, SYSTEM RPC-500N/PS ESY0011
AMAT RING, 6″ PEDESTAL, B101 HTR, CERAMIC, SL 0200-0172
AXCELIS PLATE, BAFFLE ES3 LOWER QUART 477974-D
KENSINGTON PCB, Z-AXIS NANO 9000 4000-6002 9407-0925
AMAT LINE, 1/4″-3/8″VENT/DEPOSIT, DIELECTRIC 0050-26836
BMT OZONE ANALYZER BMT 964
DNS ASSY, BAKE CHAMBER RHP MID 2AEJ0161
LAM GATE, 50MM X 336MM, VITON, AL WTS L/L 60-121857-00
ASTEX HEAD,MAGNETRONCENTURA D13449
DNS CONTROLLER COATER 2-39-63350
