描述
从开关量控制发展到顺序控制、运送处理，是从下往上的。连续PID控制等，PID在中断站中。可用一台PC机为主站，多台同型PLC为从站。也可一台PLC为主站，多台同型PLC为从站，构成PLC网络。PLC网格既可作为独立DCS/TDCS，也可作为DCS/TDCS的子系统。
Hard Drive SCSI Seagate ST11200N 947001-02B S-02-9409-5
Hard Drive SCSI Disk Seagate Hawk ST32430N 9B1001-026
Hard Drive SCSI Disk Seagate Hawk ST32430N 9B1001-026
Hard Drive SCSI Maxtor D740X-6L MX6L080J4 24P3665 80 GB
Hard Drive SCSI Quantum VP32210 CL22S011-06-J-J APS
Hard Drive SCSI Disk Quantum LPS GM24S027 240S 01-D
Hard Drive SCSI Disk Quantum LPS 800-09-94 84S 1359
Hard Drive IDE Disk Seagate ST351A/X ST351 A 913001-005
Hard Drive IDE Disk Seagate ST351A/X ST351 A 943001-013
Hard Drive IDE Disk Samsung WU32165A J38J741019L W521
Hard Drive IDE Disk Western Digital WD1000BB-00CAA1
Hard Drive SCSI Disk Seagate Hawk ST15230N 9B2001-026
Hard Drive SCSI Disk Conner CP3040A E938R3 STL02 40SC
Hard Drive SCSI Quantum ProDrive ELS PI16S011 08-M 170S
Hard Drive SCSI Disk Conner CP3040A E0716N 40SC STA2.30
Hard Drive SCSI Quantum ProDrive LPS 42S 940-40-9404
Hard Drive SCSI Conner Apple CP30175E AMBNFBM AF43112
