FXSVL02B
FXSVL02B
FXSVL02B
Genuine Ametek Lamb Motor 115963 7.2 Inch Peripheral Bypass 2 Stage 220 Volt
Ametek Motor 117549-12
AMETEK PIC07N-21CB-315 PRESSURE CONTROL
116103 Lamb Ametek Vac Motor 3 Stage ALSO # 116119
Ametek Thermox Flue Gas Monitor Series 2000 Analyzer Controller Digital Readout
115684 LAMB AMETEK NEW VACUUM MOTOR 2 STAGE BYPASS
Ametek 88C006A2 Pressure Trasmitter
AMETEK 471100.901 USPP 471100901
Ametek Diaphragm TC-1-150 w/ Gauge 0-15 PSI & 0-30 Hg
Charge Controller for Wind Generator Air-X Ametek Solar
Wind Generator PMA Air-X Ametek To GRID TIE INVERTER
Charge Controller for Wind Generator Air-X Ametek Solar
Charge Controller for Wind Generator Air-X Ametek Solar
12V 1000W Solar Wind Hybrid Charge Controller for Air-X
AMETEK 88A03A2SC MODEL 88 PMT PRESSURE SENSOR TRANSMITTER 36VDC 20MA 30PSI 41942
KENWORTH STYLE SPEEDOMETER W/TRIP W900,T800,T600 49734
Ametek Lamb Vacuum Cleaner Motor 119708-00
115950 LAMB AMETEK NEW VACUUM MOTOR 2 STAGE BYPASS
KENWORTH 5" SPEEDOMETER W/TRIP K152-504-2 OR Q43-1019-2 OUR NUMBER 49734
Genuine Ametek Lamb Motor 115937 7.2 Inch Tangential Bypass
Genuine Ametek Lamb Motor 115684 7.2 Inch Tangential Bypass
Ametek Lamb Vacuum Cleaner Motor Item 1968, 116213-00
AMETEK 4M935 NSFP 4M935
AMETEK 80166SE COMB CONTROL CIRCUIT BOARD
AMETEK 70574SE USPP 70574SE
AMETEK 401-902-7-A USPP 4019027A
116119-00 NEW LAMB AMETEK VACUUM MOTOR 116119 116103
Ametek Lamb 117123-00 Vacuum Cleaner Motor
AMETEK 471110.901 USPP 471110901
PETERBILT CHROME BEZEL SPEEDOMETER W/TRIP FREIGHTLINER WESTERN STAR 49825
Ametek Diaphragm TC-1-150 w/ Pressure Gauge 0-15 PSI
Ametek Diaphragm Type SG w/ Pressure Gauge 0-30 Hg
AMETEK PS-2C-S1 WATER FILTER PS2CS1 CINCINNATI ARROW 500 3RD
Returns: Accepted within 60 days
Ametek 93P Digital Pressure Indicator - Excellent !
Ametek 93P Digital Pressure Indicator - Excellent w/ 30 Day Warrantee !!
Ametek 117467-13 Vacuum Motor 2 Stage By-pass 120 Volt
AMETEK 1025-C2SPS *NEW IN BOX*
Ametek Hand Held Hydraulic Pressure Tester T-750 - With Case - oo25
KENWORTH 5 INCH SPEEDOMETER K152-504-1 OR Q43-1019-1
523902000 Ametek Rotron Drive Magnet Seal less Pump
5-4088-3 Ametek Rotron Impeller Assembly Seal less Pump
Hayden 9000 and SuperVac Premier Ametek Lamb Central Vacuum Motor 117500-12
AMETEK 88C006A2CS NSFP 88C006A2CS
AMETEK PANALARM D148-125DC **
AMETEK 117560-01 *NICE* 4M894
AMETEK DREXELBROOK INTELLISCAN 50 ULTRASONIC LEVEL SENSOR
Enlarge
Ametek Lamb 2 Stage Vacuum Motor - 7.2" Diameter Hot Water Extractors Thermax
AMETEK 151918 PRESSURE GAUGE 4" *NNB*
AMETEK 93CPRG00300BC USPP 93CPRG00300BC
AMETEK 9413E919 NSPP 9413E919
Ametek Dycor Analytical HQ100F Probe Head Filament Holder Spectrometer
Ametek Model 1726 Dual Function Digital Tachometer
Ametek Tachometer / Process Time Indicator Model 1736
Ametek 2006-402R120A Rotary Limit Switch NEW-NO BOX
117507-00 NEW LAMB AMETEK MOTOR REPLACES 116507
117507-00 NEW LAMB AMETEK MOTOR REPLACES 116507
AMETEK 151918 *NNB*
AMETEK 257-800-000 NSFP 257800000
AMETEK 143072A NSFP 143072A
AMETEK HUNTER SPRING L-20 - 0-20# w/ACCESSORIES & CASE -
AMETEK 00047804 NSFP 00047804
Gemco AMETEK Quik Stik II 951A-C1-0240-X-X-E NEW 951AC10240XXE
AMETEK FLUID SB USPP SB
AMETEK TEST GAUGE USPP TESTGAUGE
AMETEK SERVO MOTOR I2384246NC-Z1XX
AMETEK SB1-4-4-N-L-L-A USPP SB144NLLA
AMETEK 80-219800-90 NSPP 8021980090
AirVac AV4500 and AV5500 Ametek Lamb Central Vacuum Motor
AMETEK 836/SXA NSFP 836SXA
Genuine Ametek Lamb Motor 116155-00 5.7 Inch Peripheral Bypass 24 Volt
HP Indigo CA254-01760 AMETEK 3160-4208 150358-50 WINDJAMMER 5-90278-61 Blower
HP Indigo 3160-4208 AMETEK 150358-50 BLOWER-CNTFGL 240V 400W WindJammer NEW
Lot of (6) 3974 Ametek 4" Rupture Disks (NIB!)
Returns: Accepted within 3 days
AMETEK MANSFIELD & GREEN E80364 FNFP E80364
AMETEK 836/SXA NSPP 836SXA
AMETEK HT-10 10" INLAND WATER FILTER 100PSI 1"NPT 42609
AMETEK 656231AT4CD3B0G NSFP 656231AT4CD3B0G
AMETEK 046647A NSFP 046647A
AMETEK 150010 NSFP 150010
AMETEK 115744 NSFP 115744
Ametek Drexelbrook 402-3000 Transmitter
Genuine Ametek Lamb Motor 116119, 116119-00, 116119-01, 116103, 116103-00, 11610
AMETEK 656244AT4CD3B0G NSFP 656244AT4CD3B0G
AMETEK ROTRON 020027000 NSFP 020027000
115334 AMETEK LAMB MOTOR 2 STAGE 116525 115440 115472
AMETEK 80133SE USPP 80133SE
AMETEK 150971 NSFP 150971
NEW AMETEK TEFLON DIAPHRAGM 316 SS & US GAUGE 0-150 PSI
Gemco Ametek Foot and Palm Switch 1025-B-2SP-U-X new
AMETEK 116309-00 USPP 11630900
AMETEK DREXELBROOK RXL3 REMOTE SERIES SWITCH ,NEW w / SCRATCHES
AMETEK 1500-A-L1-S7-OC-X NSPP 1500AL1S7OCX
Van Air Systems Regenerative Dryer Model: HB-900 with Ametek Blower
AMETEK AMETEK 241CEII-1A USPP 241CEII1A
Ametek RK-200 dead weight tester, certified
Ametek RK-200 dead weight tester, NIST-certified
AMETEK PA40894024589 *CALBRTD*
Ametek MK-100 dead weight tester, NIST-certified
Ametek Gemco 1991A116R12TX Quik-Set IV High Speed PLS
Ametek Gemco 1989A16R12SEKX Limit Switch NEW-NO BOX
AMETEK PKII PK2-MED-1B SELF-REGULATING PNEUMATIC DEAD WEIGHT TESTER PK2 mm Hg
XANTREX SORENSEN AMETEK XDC100-60 XDC 100-60 100V 60A DC POWER SUPPLY GPIB
AMETEK PKII PK2-MED SELF-REGULATING PNEUMATIC DEAD WEIGHT TESTER PK2 mm Hg
AMETEK RK 1100WC PNEUMATIC DEADWEIGHT PRESSURE TESTER NIST TRACEABLE EXCELLENT
Sorensen / Power Ten # P63C-28360J Variable DC Power Supply, Ametek 600W to 30kW
1 AMETEK 1995-L-6M-X MICRO-SET (E6)
Ametek PKII(2) Pneumatic Dead Weight Tester PK-II-30-SS
AMETEK 4000 PHOTOMETRIC ANALYZER
JOFRA AMETEK 650SE 122-1202degF 50-650degC Temperature Calibrator
AMETEK Dycor RGA, P/S HQ100F, M100F and Probe Head
AMETEK PA4089504241 *CALBRTD*
AMETEK PA40892724237 *CALBRTD*
AMETEK PA40894024503 *CALBRTD*
Dycor Ametek CG1000RTP Oxygen Analyzer , Applied Materials
Applied Materials, Ametek CG1101 Oxygen Analyzer
AMETEK ZF2-480-60-UB-01 USPP ZF248060UB01
LOT OF 4 AMETEK/Applied Materials 15-100387-01N REV A
AMETEK ZF248060NC01 USPP ZF248060NC01
NIB AMETEK 1995-A-6M-X-X PROGRAMMABLE LIMIT SWITCH 6OUTPUT RELAY 10AMP 1995A6MXX
AMETEK 11KB36013300 USPP 11KB36013300
AMETEK 11KF7305-AGBL USPP 11KF7305AGBL
GEMCO AMETEK 1995-B-6M-P-X 1995-B6MP 1995B PLS/BRAKE MONITOR MICRO SET QUANTITY
AMETEK HLG-12 DEADWEIGHT TESTER 25-1000 PSI (CERTIFIED)
Ametek PK-30 dead weight tester, NIST-cal'd, guaranteed
Ametek PK-30 dead weight tester, NIST-cal'd, guaranteed
Ametek Hydralite Dead Weight Pressure Tester HL-6
AMETEK FORCE 1 INSULATION BLOWER-GOOD CONDITION--100' OF HOSE!
4x XANTREX AMETEK XT 7-6 DC POWER SUPPLIES GPIB XT7-6 ~ XT7-6X XT 7-6X
AMETEK DEADWEIGHT TESTER RK-600WC
AMETEK 80-219324-90 NSPP 8021932490
AMETEK 80-219505-90 NSPP 8021950590
AMETEK 2000 USPP 2000
Ametek 10 HP Rotron Blower #8006
Ametek ModCal II Multi-Function Calibrator B-2
Ametek Gemco 1991-KP Keypad with Ribbon Cable
Ametek Whitlock Hi-Transfer Heat Exchanger Size 6-W-12
Ametek Automatic FW310 Fusion Splicer Orionics Fiber Optic Device
2 PLC的構成
從結構上分,PLC分為固定式和組合式(模塊式)兩種。固定式PLC包括CPU板、I/O板、顯示面板、內存塊、電源等,這些元素組合成一個不可拆卸的整體。模塊式PLC包括CPU模塊、I/O模塊、內存、電源模塊、底板或機架,這些模塊可以按照規則組合配置。
3 CPU的構成
CPU是PLC的核心,起神經中樞的作用,每套PLC至少有一個CPU,它按PLC的係統程序賦予的功能接收並存貯用戶程序和數據,用掃描的方式採集由現場輸入裝置送來的狀態或數據,並存入規定的寄存器中,同時,診斷電源和PLC內部電路的工作狀態和編程過程中的語法錯誤等。進入運行後,從用戶程序存貯器中逐條讀取指令,經分析後再按指令規定的任務產生相應的控制信號,去指揮有關的控制電路。
CPU主要由運算器、控制器、寄存器及實現它們之間聯係的數據、控制及狀態總線構成,CPU單元還包括外圍芯片、總線接口及有關電路。內存主要用於存儲程序及數據,是PLC不可缺少的組成單元。
在使用者看來,不必要詳細分析CPU的內部電路,但對各部分的工作機制還是應有足夠的理解。CPU的控制器控制CPU工作,由它讀取指令、解釋指令及執行指令。但工作節奏由震蕩信號控制。運算器用於進行數字或邏輯運算,在控制器指揮下工作。寄存器參與運算,並存儲運算的中間結果,它也是在控制器指揮下工作。
CPU速度和內存容量是PLC的重要參數,它們決定著PLC的工作速度,IO數量及軟件容量等,因此限制著控制規模。
4 I/O模塊
PLC與電氣回路的接口,是通過輸入輸出部分(I/O)完成的。I/O模塊集成了PLC的I/O電路,其輸入暫存器反映輸入信號狀態,輸出點反映輸出鎖存器狀態。輸入模塊將電信號變換成數字信號進入PLC係統,輸出模塊相反。I/O分為開關量輸入(DI),開關量輸出(DO),模擬量輸入(AI),模擬量輸出(AO)等模塊。
常用的I/O分類如下:
開關量:按電壓水平分,有220VAC、110VAC、24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。
模擬量:按信號類型分,有電流型(4-20mA,0-20mA)、電壓型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。
除了上述通用IO外,還有特殊IO模塊,如熱電阻、熱電偶、脈衝等模塊。
按I/O點數確定模塊規格及數量,I/O模塊可多可少,但其大數受CPU所能管理的基本配置的能力,即受大的底板或機架槽數限制。
AMETEK 951AV0520N2D5E NSFP 951AV0520N2D5E