IC200CPU001 GE

下面从8个方面对PLC与继电器控制逻辑的性能和价格进行相比较：

        ① 控制逻辑：继电器控制逻辑采用硬接线逻辑，利用继电器机械触点的串联或并联及延时继电器的滞后动作等组合成控制逻辑，其连线多而复杂，体积大，功耗大，一旦系统构成后，想再改变或增加功能都很困难。另外继电器触点数目有限，每只一般只有4～8对触点，因此灵活性和扩展性都很差。而PLC采用存储逻辑，其控制逻辑以程序方式存储在内存中，要改变控制逻辑，只需改变程序，故称为“软接线”，其连线少，体积小，加之PLC中每只软继电器的触点数理论上无限制，因此灵活性和扩展性都很好。PLC由中大规模集成电路组成，功耗小

CPU-2CE/16 
CPU-3CE/16 
CPU-3CE/32-40-1 
CPU-3CE/64-40-1 
CPU-5CE/16-85-2 
CPU-5CE/32-85-2 
CPU-5CE/64-85-2 
CPU-5TE/16-85-0 
CPU-5V/64-100-2 
CPU-5V/64-110-2 
IOBP-10 
CPU-8VT/64-170-2 
CPU-20 Series
CPU-30BE 
CPU-30ZBE 
CPU-33XB 
CPU-33XN 
CPU-40B/16 
CPU-40B/16-01 
CPU-40B/16-02 
CPU-40B/4 
CPU-50/128-333-4-2 
CPU-50/256-333-4-2 
CPU-50GT/256-300-4-2
CPU-50GT/256-333-4-2 
CPU-50T/256-300-4-2 
CPU-50T/256-333-4-2 
SCSI-BP4 
CPU-60D/32/C3 
6604E/16-200 
CPCI-731 
CPCI-761 
IOBP-731 
PMC860-40-E1-75 
SCSI-BP4 
IOBP-731 
IOBP-10 
IBC-20-1
SYS68K/PIO-1  
CPCI-910 
CPU-5V/64-110-2/C13 
Force SYS68K CPU-30Lite 
Force SYS68K/CPU-6 880-12537-101.A?2 LAM 810-17034-300-1  
FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME MOTOROLA  
Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C  
FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME MOTOROLA  
FORCE COMPUTERS SYS68K CPU-6A  
FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA  
FORCE SYS68K CPU-30BE/16 VME BOARD 
Force SYS68K/SIO-2 P/N 310004  
Force SYS68K CPU-33B/4 VME Board  
Force SYS68K/SASI-1  
FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)  
FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A  
FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX  
Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME  
FORCE SYS68K CPU BOARD 310004 WORKING   
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098 
FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA CIRCUIT CARD 
BUS TRONIC FORCE SYS68K MAINFRAME BOARDS NICE LOT  
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031  
Force SYS68K ISIO-1 Serial I/O Board  
BioRad SYS68K CPU-30ZBE FORCE 25MHZ VME CPU BOARD  
FORCE COMPUTER VME BOARD MODEL SYS68K REV C 
FORCE SYS68K ISIO-2 MODULE ASSY  
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098 PN: 600-1  
Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module 
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098  
Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable  
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  
FORCE PROCESSOR BOARD Model SYS68K ASCU-2  
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031 
Force SPARC/CPU-10/12?8-1251 SPARC/CPU-10/12?8-1251H1 VME  
A64520 Force Computers Sparc CPU-24VTF Board  
Force CPCI-550 sparc/cpci-550 
Force Sparc CPU-3CE/16 VME Processor Board  
Force SPARC CPU-2s/32 VME SI 600-11573-201  
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME CARD  
Force Sparc/CPU-10/12?8-51-1
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME CARD 
Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61 
FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89 
Mercury Themis Force VME Sparc CPU Military Avionics 
FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90  
FORCE SPARC CPU-10/9U BOARD  
FORCE SPARC CPU-3CE/32-40-1 P/N 00157-001 Network #B91  
MOTOROLA FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME CARD  
FORCE SPARC CPU-3CE/8 NETWORK 
Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card  
Force Sparc/CPU-10//6?4-40-1
Force CPU-2CE/16   pete-sigep 1
Force SYS68K/SIO-2 P/N 310004
Force Computers SYS68K CPU-40B/4-01 VME MVME
Force SYS68K/CPU-6 880-12537-101.A?2 LAM 810-17034-300-1
FORCE COMPUTERS SYS68K/CPU-6A
Force SYS68K CPU-30Lite
FORCE COMPUTER VME SYS68K CPU-30ZBE PROCESSOR BOARD
FORCE SYS68K DRAM VME BOARD MVME MAINFRAME MOTOROLA
Force SYS68K CPU-33B/4 VME Board
Force SYS68K ISIO-1 Serial I/O Board
FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME MOTOROLA
FORCE PROCESSOR BOARD Model SYS68K ASCU-2
FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME MOTOROLA
FORCE COMPUTERS SYS68K CPU-6A
FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)
FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA
Force SYS68K/CPU-6A A7307 Rev D VME MVME Board
Force SYS68K/SASI-1 Lam research 810-017035-001 Rev. B
Force SYS68K/Eagle-01?C User’s Manual
Force SYS68K/SASI-1
FORCE SYS68K ISIO-2 MODULE ASSY
Force SYS68K CPU-40 B/16 VME Board
BUS TRONIC FORCE SYS68K MAINFRAME BOARDS NICE LOT
Force SYS68K/CPU-6A/C?3 810-017034-300 rev.A
Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098 PN: 600-1
FORCE SYS68K/WFC-1 Floppy Controller VME Board 300001
Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098
FORCE SYS68K CPU BOARD 310004 WORKING
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031
FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX
FORCE COMPUTER VME BOARD MODEL SYS68K REV C
FORCE COMPUTERS SYS68K/CPU-6A USPP SYS68KCPU6A
FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A