Description
DCS从传统的仪表盘监控系统发展而来。因此，DCS从先天性来说较为侧重仪表的控制，比如我们使用的ABB Freelance2000 DCS系统甚至没有PID数量的限制（PID,比例微分积分算法，是调节阀、变频器闭环控制的标准算法，通常PID的数量决定了可以使用的调节阀数量）。
PLC从传统的继电器回路发展而来，最初的PLC甚至没有模拟量的处理能力，因此，PLC从开始就强调的是逻辑运算能力。
LITHONIA GALVANIZED STEEL MOUNTING/ROUGH-?IN FRAME
Appleton Tcc-125200G Cable Tray Clamp
LINE ELECTRIC COMPANY, 10 AMP, 3 PDT, 12 VDC COIL ICE
POTTER & BRUMFIELD, 10 AMP, 3 PDT COIL 12 VDC
MUELLER NO. 35 VINYL INSULATORS (SET 1 RED & 1 BLACK)
ORIGINAL DIAZED BOTTLE FS, 50 AMP, 500 VOLT
FINDER ICE CUBE RELAY 60.12.8.120.004?0 120VAC COIL
ECG ICE CUBE RELAY DPDT 10 AMPS, COIL 120VAC 50/60Hz
POTTER & BRUMFIELD, 10 AMP, DPDT COIL 120VAC 50/60Hz
LINE ELECTRIC COMPANY, 10 AMP, DPDT COIL 120VAC 50/60Hz
ORIGINAL DIAZED BOTTLE FS, 35 AMP, 500 VOLT
3/4″ EMT COUPLINGS COMPRESSION CAT. NO6075S BOX OF 20
FINDER ICE CUBE RELAY 60.13.9.012.004?0 12VDC COIL
Teradyne ICT 1880 Z1880 1890 1888 Incircuit Test System
