整体式PLC的每一个I／O点的平均价格比模块式的便宜，且体积相对较小，所以一般用于系统工艺过程较为固定的小型控制系统中；而模块式PLC的功能扩展灵活方便，I／O点数量、输入点数与输出点数的比例、I／O模块的种类等方面，选择余地较大。维修时只要更换模块，判断故障的范围也很方便。因此，模块式PLC一般适用于较复杂系统和环境差（维修量大）的场合。
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PHD 15331-1-7001 5300 Series Air Gripper
PHD 17503-1-06 Autoswitch Proximity Sensor
PHD 53625-1-02 Hall Effect Switch 6-24VDC NPN 3-Pin Quick Connect
PHD 7934-01-5202 7934 Series 3-Finger Air Gripper
PHD 8641-01-4002 Pneumatic Air Gripper
PHD CBU04 1X10 CBU041X10 Pneumatic Slide 1"Bore 10"Travel
PHD GRB Series Pneumatic Gripper GRB141-1-5411
PHD GRB571-1-0431 Large Pneumatic Air Angular Gripper
PHD ML-178870 Rotary Actuator 180° 7/8" Shaft 250PSI
PHD ML301231 Pneumatic Parallel Gripper Spring Close
PHD NPGMS9 1-1/8 X 2 Pneumatic Cylinder 1.5" Stroke
PHD Pneumatic Air Parallel Gripper GRD331-1-2531
PHD STPD525X50 Pneumatic Slide Table
Pheonix Contact PLC-BSC-24DC/21HC Terminal Block 24VDC w/Relay 2961312
Phillips 71A5770-001D metal Halide Core & Coil Ballast Kit 120/208/240/277V
Phoenix Contact 5522321 Converter Interface Module, DIN Rail Mounting
Phoenix Contact CM 90-PS-120AC/24DC/2 Power Supply 120VAC to 24VDC 2A
Phoenix Contact HC-K4/8-EBUS Contact Insert 1679320
Phoenix Contact HC-K4/8-ESTS Contact Insert 1679333
Phoenix Contact MINI-PS-100-240AC/5DC/3 Mini Power Supply
Phoenix Contact PLC-BSC-230UC/21 Socket w/ 2961105 24VDC; 6A/250V SPDT Relay
Phoenix Contact RAD-CAB-LMR240-10 Cable
Phoenix Contact STEP-PS/1AC/24DC/2.5, Power Supply / Control Module
Phoenix Contact VAL-SQ SI 36-2C-120 Surge Protector 120V
Phoenix Contact VAL-SQ SI 36-2C-120 Surge Protector 120V
Phoenix Contact VIP-2/SC/PDM-2/16 Power Distribution Block DIN Rail Mount
Piab PPSF-125-X10 Filter for Vacuum Pumps 1/8" NPT
Piab XLC60 Vacuum Pump 72.5 PSI, 87PSI Max, -28.1inHg
Pico 4041 3-Pin Female Sensor Cable
Pilz N2HS N2HS/230VAC/1A Safety Relay
Pilz PNOZ X9 774605 E-Stop Relay, 24VDC/100-120VAC, 11VA, 5.5W, 50-60Hz
Pneumadyne H0-30-3 Toggle Switch
Pneumatic Push-In Fitting: 1/4" Tubing, 90° Elbow, 1/8NPT Thread
Pneumatic Push-In Fitting: 1/4" Tubing, Straight, 1/4NPT Thread
Pneumatic Push-In Fitting: 1/4" Tubing, Straight, 1/8NPT Thread
Pneumatic Push-In Fitting: 4mm Tubing, 90° Elbow, M5 x 0.8 Thread
Pneumatic Push-In Fitting: 4mm Tubing, Straight, 1/8NPT Thread
Pneumatic Push-In Fitting: 4mm Tubing, Straight, M5 x 0.8 Thread
Polyscience 7306A12E Immersion Circulator 240VAC 50Hz 7.5A 1PH 1.6kW Heater
Power/Mation 220C OC 24 Cycles/Rev Thru-Bore Shaft Encoder 0.5"
Power-One SPM3E2E1 DC Power Supply 120/240VAC In to 28VDC @ 8.6/27A Out
Powers 265-1018 3-Way EP Valve
Precise Technology Probe 922793
PTI Filtration 25-601310-602-XL Cartridge Filter 0.65/0.2μm 0.2 Micon, 10" L
Puls SLA 8.300 Power Supply 3PH 480vdc 30.5VDC 8A
Pulsarlube KLT1000 V Self Contained Auto Lubricator
Pureloc TMC37525 3/8"OD 1/4"NPT Fitting
Q-Mark AFG-1525 M5 Mini Styli Gage Probe, 1.5mm Ruby Ball, 15mm Probe Length
Q-Mark ATG-5053 M5 Styli Gage Probe, 5mm Ruby Ball, 43mm Probe Length
RAMCO M8-FA4-PVC-2M Connecting Cable, M8 4-Wires
Raytek Marathon Series RAYMM3MLCF1V Infrared Thermometer 100-600C
Red Lion APLIA400 AC Current Meter, Supply: 115VDC 50/60Hz
Red Lion Controls CUB70010 Counter 8-Digit Yel/Grn Backlight *DEAD BATTERY*
Red Lion CUB3TR20 Timer, 60-260V, 1 hr, Resettable
Red Lion IMD20162 Panel Mount Programmable Meter 115/230VAC 18VDC Excitation
Red Lion MCCA1000 Communications Adapter for displays
Red Lion MP37TA00 Magnetic Pickup, 1-Volt Threshold Speed: 22in/sec 200RPM
Reliance Electric 406041-A Flexible Coupling, 5/8" On Both Ends By 3.5" Long
Reliance Electric B14H1060N-0W Motor 2HP 190VAC 3PH 2000RPM FC140-frame
Reliance Electric E Master AC Motor B79U3686M-SZ 3, 1/2 HP, 115/230V
Reliance Electric E-3633-L-F00AN Brushless Servo Motor w/Encoder
Reliance Electric IQ010BS3007NH-0 Personality Module
Reliance Electric PM010BS3007NH-002 Personality Module