描述
PLC与DCS无法比较,PLC是控制器,是孤立的产品,而DCS是系统。但PLC可以与DCS的控制站比较,PLC的循环周期在10毫秒左右,而DCS控制站在500毫秒左右,PLC的开放性更好,作为产品其独立工作的能力更强。
CYMER 05-03151-06 POWER UNIT RACK MOUNT
VERTEQ PROCESS SYSTEMS RF AMPLIFIER 3156023-000E
OMRON C500-NC111-EV1 SERVO MODULE SINGLE AXIS STEPPER
GMF FANUC A16B12110860 MEMORY MODULE SHARED RAM BOARD
GMF FANUC A16B12110090 MEMORY BUBBLE
ALLEN BRADLEY 1791N4C2 BLOCK I/O 120VAC 6POINT ANALOG
NEW GOULDS ITT PUMP SSV MODEL 1SVBK5 STAINLESS STEEL