Description
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。
Powertec .5/3 HP DC Drive C003.5R2CH000 (3398)
ALLEN BRADLEY TIMING RELAY 700-RTC1111OU2 (2963)
Ashcroft Pressure Switch GPSN4JB06 2000 psi (3118)
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Modicon Remote I/O Processor AS-P451-622 (2379)
Allen Bradley Flexible Interface Module 2760-RB/A 3441
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1 Gould Modicon CONTROL CARD B675 (2196) A
