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。
Siemens Simodrive 6SN1111-0BA02-0AA0
SIEMENS SETZERMANN C867-01 RW12/04
Siemens Simovert Masterdrives 6SE7016-1TA20
HYDRO-LINE LR5FD-1.5X8 HYDRAULIC CYLINDER
Siemens 3NA3136 fuse
CARRIER LA-21AB-400 BLOWER WHEEL NIB LA21AB400
MODICON AS-911T-KIT NIB AS911TKIT
Siemens 6FX1118-6AB01
Siemens Simovert Masterdrives 6SE7021-3EB10-Z
Siemens 3RT1015-1AB01
Siemens Simatic S5 6ES5 460-4UA12
SIGNET MK584.4 FLOWMETER MK5844
Siemens 5SB11 2A
Siemens 6EP1931-2EC21
SIEMENS/MOORE APACS M-NET DROP CABLE
Siemens 3RB1026-1QB0 OVERLOAD 6-25AMP 600VAC
Siemens K1051 D3
Siemens 6FM1726-3AA00 WF-726A
Siemens 3RV1901-2A
GREENFIELD #12 SCREW EXTRACTOR
Siemens Servo Motor 1FT6034-4AK71-3EH1
CUTLER HAMMER CONTROL TRANSFORMER
Siemens Simatic S5 6ES5 421-8MA12
PEPPERL & FUCHS TLG100K4M2000 SENSOR 21889
BELLOWS F PNEUMATIC CYLINDER
Siemens 3VU1300-1MH00 MOTOR BREAKER 1.6 - .24AMP
PACHYDYNE J BOARD J020331
BANNER Q45BB6LLP PHOTOELECTRIC SENSOR
REULAND 35-648 SOFT START 35648
Siemens K2036 D13 A01
GENERAL ELECTRIC DS3800HXRC1F1C WITH DXRC1D1B BOARD
POWERVOLT BVA-24BS2.4 POWER SUPPLY NIB BVA24BS24
Siemens Simatic S5 6ES5 451-8MD11
OMRON E2E2-X18MB1-M1 PROXIMITY SWITCH NEW E2E2X18MB1M1
Siemens Simatic S7 6ES7 318-2AJ00-0AB0
BOSCH FILLING VALVE NIB
Siemens Drive board 6DD1641-0AC0
GOULD OTS25 FUSE LOT NEW