为了充分发挥计算机的作用，可实行一台计算机控制与管理多台PLC，多的可达32台。也可一台PLC与两台或更多的计算机通讯，交换信息，以实现多的对PLC控制系统的监控。PLC与PLC也可通讯，可一对一PLC通讯，可几个PLC通讯，可多到几十、几百。
SCHAEVITZ SPRING LOADED GAGE HEAD GCA-121-1000 +/- 1"
STOBER TD27-0000-F-K-56 ADJUSTABLE SPEED DRIVE 1HP
EATON CUTLER HAMMER SJ COIL C070116
RELIANCE ELECTRIC 814.56.00 PC BOARD
ALLEN BRADLEY DRIVE IN 1305-BA09A SERIES C
BEST PUMP WORKS DL11995 1X1.25X5
DODGE QUANTIS HB683CN180TC 59.91:1
FLOWSERVE PUMP WORKS DL11995 1X1.25X5
FISHER ROSEMOUNT ANALOG INPUT OUTPUT CARD 12P0663X032
FISHER ROSEMOUNT WEIGH SCALE CARD 41B5228X312 CL6921X1
GOULDS 3196 PUMP 2X3-6
Lincoln Electric LN-9 GMA Precision Wire Feeder Unused
