描述
根据PLC的安装方式,系统分为集中式、远程I/O式和多台PLC联网的分布式。集中式不需要设置驱动远程I/O硬件,系统反应快、成本低。大型系统经常采用远程I/O式,因为它们的装置分布范围很广,远程I/O可以分散安装在I/O装置附近,I/O连线比集中式的短,但需要增设驱动器和远程I/O电源。多台联网的分布式适用于多台设备分别独立控制,又要相互联系的场合,可以选用小型PLC,但必须要附加通信模块。
MAGNETEK CONTROLS TM1665 MAGNETIC BRAKE
Cleveland Range PGM2502 Gas Pressure Steamer
LAND P80P Portable Temp. Blackbody Radiation Source
LAND P550P Variable Temp. Blackbody Radiation Source
ADC Berk-Tek MM RISER 72 Fiber Optical Cable 5350′
MICROVU H14 OPTICAL COMPARATOR
Becker KVT 3.100 Oil Less Vacuum Pump 100mBar
IBM 7540 ROBOT
7 LAMBDA PHYSIK LASER TECHNIK POWER CONTROLS
Cleveland PGM2502 Steam Cooker
Motch and the Merryweather 2-8 Automatic Metal Saw
Cleveland Range PGM3002 Steam Cooker 300000 BTU
CUTLER-HAMMER CP 0096SP10K70A TRANSFORMER 300KVA
Cleveland Range PGM2502 Steam Cooker 250000 BTU
6000 Recessed Light Downlight 20W 20V white spot lamp