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。
Watlow 96 Temperature Controller
Compliance West GR-30AC Ground Circuit Tester
Alpha and AC Server Motor LP 070- MO-111-000 Motors
DeVilbill QMS 515 Pressure Feed Tank
Justrite Safety Storage Cabinet #25602 60 gal.
Agilent/Hewlett Packard 59307A VHF Switch
IFR 1200 Super S Communications Monitor
Intertest Corp. 1014-CDL Bubble Detection System
Ultra-Violet Products S-50 Handheld ultraviolet light
Detecto PS5 Portion Scale
Torqueleader TBN 2 Torque Wrench
Agilent/Hewlett Packard E4406A VSA-Transmitter Tester
