一般小型（低档）PLC具有逻辑运算、定时、计数等功能，对于只需要开关量控制的设备都可满足。对于以开关量控制为主，带少量模拟量控制的系统，可选用能带A／D和D／A单元。具有加减算术运算。数据传送功能的增强型低档PLC。
对于控制较复杂，要求实现PID运算、闭环控制、通信联网等功能，可视控制规模大小及复杂程度，选用中档或PLC。但是中、PLC价格较贵，一般大型机主要用于大规模过程控制和集散控制系统等场合。
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Cole Parmer Air Cadet Vacuum Station
Cole Parmer CR3120A Temperature Gauge 0-100C
Cole Parmer Digi-Sense 8528-30 Thermometer
Cole Parmer EW-06384-71 Adapter Pipe 1/4" to 1/8" NPT Female
Cole Parmer Flow Meter 40-280 LPM / 2400-16800 LPH Air 1/4" NPT
Cole Parmer Flow Meter 40-280 LPM Air *Missing Knob*
Cole Parmer N102-05 Flow Meter 0-150mm High-Resolution Valve
Cole-Parmer 01271-00 Immersion Circulator, Voltage: 120V, Frequency: 60Hz
Cole-Parmer 50003-10 Mixer Motor w/ 50003-00 Mixer Controller 115VAC 3-180RPM
Cole-Parmer 7015-21 Pump Head
Cole-Parmer 77096-00 Emergency Cutoff System for Liqui-Sense 115VAC 1.2kVA
Cole-Parmer 8130-30 Bi-Metal Thermometer 50-500°F 20-250°C 7 3/4" Probe Length
Cole-Parmer 94785-00 Universal Process Meter, Power: 115VAC 50/60Hz 10VA Max
Cole-Parmer Constant Speed Control Unit, Speed Range: 0-300/0-3000RPM, 117V 1.8A
Cole-Parmer EW-31521-07 PTFE 4 Port Manifold 1/4" Inlet NPT 4 Outlet
Colson 4 Series 4" x 2" Phenolic Swivel Casters 800lbs Rating 4" x 4 1/2" Plate
Columbus Electric 2E462A Air Sensing Switch 0.5-12"WC 277VAC 300VA Contacts SPDT
Columbus Electric RH3A Heating/Cooling Appliance Switch, 1/2 PSI, 0.5" to 12" WC
Comair FS24B3 Axial Fan, 60mm, 24VDC 0.08A 1.90W
Comair Rotron MS24B3QDN Fan, Voltage: 24VDC, Current: 0.29A, Power: 7W
Comair Rotron MS24K3QDN Fan, Voltage: 24VDC, Current: 0.19A, Power: 4.5W
Comair Rotron SU3A1 Fan, Supply: 220/230VAC 50/60Hz 0.09/0.08A, Flow: 28/34CFM
Comair Rotron WX2A2 Fan, Voltage: 115VAC 50/60Hz, Current: 0.07/0.06A
COMCABLES 18P 1U 3 PANEL RACK MOUNT ENCLOSURE FE-18R-1U !
Comm Tech IG232/2-ISA Fastcom Fully Isolated Dual Port RS232 Adapter
COMMEND 4-WIRE DESKTOP STATION EE411S.C REV AA
COMMSCOPE / ANDREW SOLUTIONS F4A-DMDM-15-P 15FT (4.572M) SUREFLEX ASSEMBLY
COMMSCOPE 1 * ATCB-B01-C50 & 3 * ATCB-B01-009 TELE-TILT CABLES !
COMMSCOPE 760180042 UNP-U-610-1U-24 CAT6 24 PORT PATCH PANEL
COMMSCOPE RFE-SLC-IS-EMT-BK 1U-PNL SHELF ASSY 1U INTERNAL SLIDING 760147439
COMMUNICATIONS INTEGRATORS 12AWG - 8AWG 120/208 VAC 3 PHASE 20A 50HZ OR 60HZ
COMMUNICATIONS TEST DESIGN WANSUITE 5130 IAD CSU ROUTER
Compact Air APSG052X18 Pneumatic Parallel Gripper
Compact Air GC234X2 Pneumatic Cylinder 2" Stroke
Compact Air Products SFH212X14 Pneumatic Cylinder, Bore: 2.5", Stroke: 1/4"
Compact Air Products SFH212X78 Cylinder, 1/8 NPT Ports, 7/8" Stroke, 2-1/2" Bore
Compact Air Products, R138X4 Pneumatic Cylinder, 38mm Bore, 4" Stroke
Compact Automation Products BFHD118X12 Air Cylinder, Bore: 1-1/8", Stroke: 1/2"
Compact BFHD118X12 Cylinder 0.5" Stroke
Compact CR3BFH118X3 Stainless Steel Heavy Duty Cylinder, 3" Stroke, 1-1/8" Bore
Compact SD118X78 Pneumatic Cylinder 1" Stroke
Compact SG112-1 Pneumatic Angular Gripper 5/32 Valve, 28mm Bore
Componex WINertia Aluminum Dead Shaft Idler Roller, 6x3, 14"L, Polished 32Ra
COMPULAB FITLET-XA10-LAN BAREBONE FITLET-GX-C67-FLAN-W
Compumotor M578311 Stepper Motor Drive *Bad Connector*
Compumotor PCA 71-006996-02 REV-K Board
Compumotor SM232AE-NTQN Servo Motor with Cabling NEMA 23 Winding A 1000ppr Enc
Computer Communication Cable DB37 Female to 4 DB9 Male
Computer Dynamics SAEUL12V REV-A VAMP Programming Switch 94V-0
Computer Dynamics SAEUL12V REV-A VAMP Programming Switch 94V-0, *Missing Button*
