由于PLC采用了软件来取代继电器控制系统中大量的中间继电器、时间继电器、计数器等器件，控制柜的设计安装接线工作量大为减少。同时，PLC的用户程序可以在实验室模拟调试，更减少了现场的调试工作量。并且，由于PLC的低故障率及很强的监视功能，模块化等等，使维修也极为方便。
Digi (1PB Serial Hub PORTS/16EM Hitachi I900SRT Lot of 3
WATTS 174A PRESSURE RELIEF VALVEPSI 174A-150 M3
Nikon 4KPower Controller RR-002V1.3 NSR-S202A
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NORGREN FLOTA PNEUMATIC FILTER 150PSIG 125F 1/4INCH
Nikon 4KPower Controller 4SNSR-S204B Step and Scan
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Landis & GYR LVF1.4501 Modul
Lambda LFS-45A-24 Regulated Power Supply Untested
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Hamamatsu HC125-04 PMT Detector Assembly Photo Multiplier
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TDK 4SPower Supply Assembly Nikon NSR-S307E
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BENDIXSN 169 S5 CRT DRIVER 2 BOARD 201036
CFMVessel Module Power Valve Card Festo IC-8MPH
ALLEN BRADLEY 141A-CUH125T BUSBAR MODULE 141ACUH125T
Advantage PFFB10TTCEW PTFE Membrane Filter Cartridge Mega-Pure Series
THK 2LF16UU+341.5L-(A) HitachLF 340mm Ball Shaft/Spline
DAYTON MOTOR (1) 3M556D SHADED POLE RPM:1550 HP:1/40 SHAFT:5/16x2 V:115
BANNER 33814 T18SN6D PHOTO ELECTRIC SENSOR
SQUARE D KAL26150 CIRCUIT BREAKER 150 A 2 P 600V 50/60HZ
Nikon NSR S306C Motor Control PCB 4S
WARNER ELECTRICCLUTCH BRAKE
SQUARE D 9007C54B2P10Y19021 LIMIT SWITCH
Allen Bradley, Solid State Overload Relay, 193-ES1AB, SER A,
HONEYWELL 711N3A1A U321H13 VALVE COU-0604-SI8
Lin Engineering 5609X-01SD-01 0.9° Step Motor