FCP270

FCP270

中央空调冷冻系统的控制有3种控制方式：早期的继电器控制系统、直接数字式控制器DDC以及PLC(可编程序控制器)控制系统。继电器控制系统由于故障率高，系统复杂，功耗高等明显的缺点已逐渐被人们所淘汰，直接数字式控制器DDC虽然在智能化方面有了很大的发展。但由于DDC其本身的抗干扰能力问题和分级分步式结构的局限性而限制了其应用范围。相反，PLC控制系统以其运行可靠、使用与维护均很方便，抗干扰能力强，适合新型高速网络结构这些显著的优点使其逐步得到广泛的应用。

Autoclave Engineers Fitting High Pressure, Straight Coupler 60,000 PSI 60F4933

Machine Tool Transformer 636-1211 Insulation Class: H 1000 VA

Power-One International HE24-7.2-A Power Supply 100-240VAC/24VDC

Power-One International HBAA-40W-A Power Supply 100-240VAC/5-15VDC

Grab Box 6 Fusetron 20 Amp Fuses Dual Element Time Delay 600V FRS 20/FRS R 20

Keyence Corporation FS-V11P Photoelectric Fiber Optic Digital Amplifier FSV11P

Allen Bradley 1321-3R8-B 3-Phase Line Reactor 600V 50/60Hz

Allen Bradley Time Delay Relay 700-HT12AU120 w/ Base Socket 700-HN100

GFC Hammond GFOF 2-24 Linear Power Supply 24 vdc Output

Norgren MK01CEA25ALPE Air Controlled 120V-AC Solenoid Valve

Grab Box of Fuse Holders (6)

Grab Box of 12 Assorted Amperage Single/Three Pole FAZ Mini Circuit Breakers

I-T-E Vacu-Break Heavy Duty Safety Disconnect Switch 30 Amp 600 VAC F351

Westinghouse 1310849 AB DE-ION Circuit Breaker K-Frame 225 Amp 600VAC

Westinghouse 1310849 AB DE-ION Circuit Breaker K-Frame 225 Amp 600VAC (4)

Westinghouse 1310849 AB DE-ION Circuit Breaker K-Frame 225 Amp 600VAC (2)

Westinghouse 1310849 AB DE-ION Circuit Breaker K-Frame 225 Amp 600VAC (5)

Electronic Research Transpac LC32P7 DC Power Supply

Westinghouse 1310849 AB DE-ION Circuit Breaker K-Frame 225 Amp 600VAC (3)

Acme 1000 VA Control Transformer TA-1-81217

12" x 12" Laboratory Glass Bowl

Allen Bradley .230 KVA Transformer X-326539 220/440 VAC 240/480 VAC

Westinghouse 1222032 AB DE-ION Circuit Breaker F-Frame 15 Amp 600VAC (2)

Allen Bradley Motor Starter Contactor 509-AOD Series: B Size: 0

Allen Bradley 18 Amp NEMA 0 Motor Starter 509-A0D SER B Continuous

Westinghouse 1222099 AB DE-ION Circuit Breaker F-Frame 30 Amp 600VAC

Norgren Excelon Filter Regulator B74G-4AK-QD3-RMG

NIB Struthers-Dunn Inc. Time Delay Relay 41-002 125 VAC

Fabco-Air P2S-125 Pneumatic Cylinder

Redington Analog Counter P2-1006 115 AC

Vicon Environmental Camera Housing Chamber V84OOH

TELEMECANIQUE LB1-LC03M MOTOR STARTER OVERLOAD RELAY

Ametek PM Motor/Grid 1/4" Shaft 0522-11

NIB Controlair Diaphragm Air Cylinder w/Studs US-4-L-CA-UM-NS

Tri-Tronics Multi-Function/Programmable Dual Event Controller PM 8200

Mead Fluid Dynamics Pneumatic Solenoid Valve Capsula 120/60 MB 3022-0B

NIB Controlair Diaphragm Air Cylinder w/Studs US-4-L-CA-NS

Maxitrol HF Series HF2000 Gas Line Pressure Regulator 1 Bar

Dwyer Instruments Pressure Switch 1823,

Syrelec PJR Alternating Relay 110V

Deltron W100A Power Supply 240V

General Electric THC31 Disconnect Switch Fuse Holder

Digital 8-Port Tabletop Ethernet Local Network Hub DELNI-BA Rev: CO1

Schrader Bellows Econo-Ram II Pneumatic Cylinder FW2B109321 2" Stroke 2" Bore

12" Kinked Pureflex Flex Line Flanged Stainless Steel Flexible Conduit Coupling

General Electric Statotrol 3S RF 30 A1

NIB Martin QD Bushing SK 1-1/2"

Mead Fluid Dynamics Air/Pneumatic Solenoid Valve 350-20S

SMC Linear Slide Actuator 1.25" Stroke 100Psi CXSM15-30

Frowi Thermometer FW 21 FW21

Miki Pulley 05 24V 10W 901 42

Grab Box of 13 Assorted 3 Pole Buss Fuse Holders

10 ARLINGTON 90 DEG. 3/4" LIQUID TIGHT CONNECTORS NIB

2 BANNER LM3 PHOTOELEC. LOGIC MODULE PHOTO-SWITCH 26665

Regular Copper Pipe Tee 1" x 1" x 1" CxC

Regular Copper Pipe Fitting Tee 1" x 1" x 3/4" CxC

GE General Electric RMS 5 25 Output Remote Control Switching Master Sequencer

Maxitrol 325 Series 325-7A Gas Line Pressure Regulator 10 PSI Max 1.25" Ports

NIB Cooper Crouse-Hinds Strain Relief CG Series Fitting CGB194, lot of 11

4# Grab Box of Omron/Allen Bradley/Siemens/Dwyer Relays/Temp Gauge/Fuse Holders

GS Heavy Duty Electric Type SZO 1.5kva Y1500 Control Circuit Transformer

Regular Copper Pipe Fitting Tee 1" x 1" x 1/2" CxC

Regular Copper Pipe Fitting Tee 1" x 3/4" x 1" CxC

OfficeConnect Dual Speed Switch 3Com 4 Port 10/100 Switch

NIBCO Chemtrol 1" 3-Way Ball Valve

Sylvania Tungsten Halogen 500 W Lamp Light Bulbs 500Q/CL 58766-2

NIBCO Tru-Bloc 3/4" Ball Valve,

Allen Bradley Bulletin 1746-A10 Series: B SLC 500 Empty 10 Slot Rack