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F7133黑馬德國F7133黑馬德國

兩個交流接觸器同時工作，它們的主觸點都閉合，必將造成電源短路。因比，為了保證兩個接觸器不同時工作，在控制電路中，串接了對方的常閉輔助觸點RMR和RMF，即把正轉接觸器RMF的一個常閉輔助觸點串接在反轉接觸器RMR的線圈電路中，而把反轉接觸器的一個常閉輔助觸點串接在正轉接觸器的線圈電路中。這兩個常閉觸點稱為聯鎖觸點。這樣一來, 當按下正轉起動按鈕SBF時，正轉接觸器線圈通電，主觸點RMF閉合，電動機正轉。與此同時，聯鎖觸點斷開了反轉接觸器RMR的線圈電路。因此，即使誤按了反轉起動按鈕SBR，反轉接觸器也不能動作。在同一時間里兩個接觸器只允許有一個在工作的控制作用稱為互鎖作用或聯鎖作用。
    手機

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 Qq:

鄭娟萍

廈門仲鑫航自動化設備有限公司  

但是在正轉過程中要求反轉，必須先按停止按鈕SB1，讓聯鎖觸點RMF閉合后，才能按反轉啟動按鈕使電動機反轉，這樣一來，帶來操作上的不方便。為了解決這個問題，除了利用接觸器的動斷觸點進行電氣互鎖外，還可以利用復合按鈕觸點動作的先后順序不同進行機械互鎖。就是這種控制電路的輔助電路(主電路與前相同)。每一個復合按鈕都有一副動合觸點和一副動斷觸點，兩個啟動按鈕的動斷觸點分別與對方的接觸器線圈串聯。當按下正轉啟動按鈕SBF時，它的動斷觸點先斷開反轉接觸器的線圈電路；當按下反轉啟動按鈕SBR時，它的動斷觸點先斷開正轉接觸器的線圈電路。因此,采用這種復合按鈕，在改變電動機轉向時可以不必先按停止鈕，只要按下相應的另一起動按鈕即可。如果兩種互鎖方式同時采用，構成雙重互鎖，相互制約工作更為可靠。 

NMB-MAT Technologies 17PY-Z444-99VS Stepper Motor "NEW" 8501C*
 
Solartron 7150 Operating Manual P/N71500010A 3307D-3
 
HP 140A Oscilloscope Operating & Service Manual 00140-90908 3115E-3
 
IPC Power Resistors 15085 Dynamic Braking Resistor*
 
HP 140A Oscilloscope Operating & Service Manual 00140-90906 3115E-3
 
Horiba Operation Manual P/N81014 version 3.1 3307D-3
 
HP 5280A Reversible Counter Operating & Service Manual 05280-9005 3115E-3
 
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HP 3762A Data Generator/ 3763A Error Detector Operating Manual 3115E-3
 
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Square D ATV56U41M2 Altivar 56  Fan & Pump Drive Without Cover, 2605C
 
Belden 4813 009A1000, 4PR. 23AWG, CAT. 6 Cable (1000 Ft / White) *
 
Schrader Bellows FW2C101321 1.000 250PSI Cylinder  , 95D-2 
 
Solartron 7150 Operating Manual P/N71500010A 3307D-3
 
HP 7475A Operation and Interconnection Manual P/N07475-90002 3307D-3
 
Belden 7852A 008 A1000, 4PR. 23AWG, CAT. 6 Cable (1000 Ft / GRAY) *
 
HP 3421A Data Acquisition & Control Unit Service Manual 03421-90008 3114A-1
 
Schrader Bellows FW2B101321 1.000 250PSI Cylinder , 95D-2 
 
HP 7470A Interfacing and Programming Manual P/N 07470-90001
 
HP 3403A/B True RMS Voltmeter Operating & Service Manual 03406-90005 3114A-1
 
BENDER IRDH265-R321, A-ISOMETER, Serie 260- Rack 14*
 
HP 3406A Sampling Voltmeter Operating & Service Manual 03406-90001 3114A-1
 
Mitsubishi FR-PU03 Parameter Unit- 8202C*
 
HP 333A/334A Distortion Analyzer Preliminary Operating & Service Manual 3114A-1
 
AMP Type-OB, 45098 Crimp Tool 8003B*
 
Met One 085 Temperature Humidity Probe 5VDC - 7601B*
 
Analog Devices AD215BY Wideband Isolation Amplifier 7704B*
 
Pack of 8 Neutrik NC7FXX-B Sockets, XLR, Black, 7 Pole *NEW*, 8304E

Fuji Electric NB2-P36R3-DC/Z018 Basic Unit, 19-30VDC- 8202C*

Honeywell Parker Skinner 7341LAN1HNM0N0C111C2 Valve NEW , 95D-2

Pack of 8 Neutrik NC6MXX-B Plug, XLR, Black, 7 Pole *NEW*, 8304E

Industrial Devices Corp, P33V-EQ Servo Motor- 8202B*

Omega 2170A Operations Manual 3307D-3

Tektronix 3S1 Instruction Manual P/N 070-0632-00 3307D-3

Lambda UGZ1-2258; 2500W Power Supply- Rack 5*

Appleton ACP6044BC Powertite Plug, 7403B

Dytran 3055B3T Accelerometer*

INS DX-200 Illumination Meter with case

Schneider-Kreuznach DCN 4/23 Lens 2pcs , 95D-2

Tektronix 1141A Differential Probe*

HP 7470A Operators Manual P/N07470-90052 3307D-3

Tektronix 7S12 Instruction Manual P/N 070-1244-00 3307D-3

Omron S82K-00724 DIN Mount Power Supply 24VDC 0.3A S82K00724 7102C-4

DC Motor Co. power driver AS-113605 DC390 HP 4.7 22volt 350RMP, 7804B
 
EIT UVI Map UVIMAP UM254H-S + DPU-411 Type II Thermal Printer rk15
 
Varian G-40A G-422A Technical Information P/N 87-300-422 3307D-3
 
Square D 52045-062-50 Weld Control Module, 106D-2 
 
HP 85062-60006 1.26.5GHz Electronic Calibration Module 7704a
 
Merrimac PS-5-13.5/26453, MFR-12457- 7103A-3
 
Bird Thruline 4113 1000W 2-30MHz Mini-Monitor Transmitter  for Parts 
 
HP 83402C Lightwave Source 1310nm 300kHz-6GHz opt 012 8904e
 
Tektronix Guru IBM Personal Computer P/N 070-5543-00 3307D-3
 
Fluke 8012A Digital Multimeter, 7402B
 
Agilent 11590B 0.1-12.4GHz Bias Network 
 
Omron E2E-CR8C1 Proximity Switch 12-24VDC 2M E2ECR8C1 NEW 7703C
 
Zeiss 46-04-01 9904 10/0.22 Ph1 Microscope Objective 8501C
 
Omron E2E-X2ME1 Proximity Switch 12-24VDC 2M E2EX2ME1 NEW 7703C
 
HP 11850C Power Splitter DC-3.0GHz 50 ohm 
 
emecanique  Square D 52045-062-50 Weld Control Module, 106D-2 
 
TENMA 72-805 Signal Analyzer Channel NTSC CATV&OFF-Air, 81B-1
 
Tektronix 535/545 Instruction Manual 070-198 3209C-3
 
HP 8470A Crystal Detector 8904e
 
Tektronix 531 Instruction Manual 3209C-3
 
Magnecraft W78RPCX-28 6VDC Relay 9101b 
 
GE 50-162111FAFA2ADT Leak Rate Special Scale Meter Type D0-91, 7203A
 
Tektronix 531/541 Instruction Manual 070-203 3209C-3
 
Tektronix 531/541 Instruction Manual 070-203 3209C-3
 
AB Allen-Bradley 1204-TFB2 Ser A Motor Terminator rk2
 
Hurst 12VC Model SAS p/n 4003-002 8W Motor 9101a yellow bin 
 
Tektronix 524 Instruction Manual 070-236 3209C-3
 
Ametek Dycor Dymaxion DM200 Gas Analyzer*
 
Parker B32VWB553C D SOL 2 POS Valve, 96F-1
 
Tektronix 515/515A Instruction Manual 070-0247-01 3209C-3
 
Veeco 0340-655-04 Rev A Auto Neutralization Control Module, 7103A-3
 
Tektronix 464/466 Option 10 Instruction Manual 061-2172-00 3209C-3
 
Eaton Cutler-Hammer E59-F18A109C02-A2 18mm iProx Sensor NEW 8301D
 
Tektronix 466/464 Instruction Manual 070-2037-00 3209C-3
 
Cutler Hammer CH D6 WMS1D06 240V pack of  2 
 
Tektronix 543-543A Instruction Manual 070-0260-01 3209C-3
 
ARO E252FP Push-Pull Pneumatic Valve NEW , 96F-1
 
Reliance B14H1060M-TT; 2.0HP, 2000RPM AC Synchronous Motor*
 
Aro Mounting Kit #119626 , 96F-1
 
OEM Solutions PM-35-200-4 8 Amps at 240 Vac Module, 95D-2
 
ATI; AT-MX10-05 CentreCOM MX10 Microtransceiver*
 
Tektronix TAP1500 Probe Instruction Manual CD 071-1809-00 7802C
 
Reliance B14H1060M-UU; 2.0HP, 2000RPM AC Synchronous Motor*
 
Astec LPS253 100-250V 4.5A DC 120-300V 3.4A Power Supply 8901B
 
Comair Rotron 032942 Model ST12B3QDNX NEW, 96F-1
 
Cole Parmer Digi-Sense Thermistor Thermometer -50 to 125 C, 106D-2
 
Tektronix 7L5 Instruction Manual 061-1000-00 3209C-1
 
Tektronix 434 Instruction Manual 070-1131-00 3209C-1
 
Systran GLD+VME A-H-PR-BTGLD+VM Board- 7103B-4
 
Reliance B14H1060N-TW; 2.0HP, 2000RPM AC Synchronous Motor*
 
Tektronix 464 Instruction Manual 070-1653-01 3209C-1
 
BK Precision B+K 1670A DC Regulated Power Supply 7703B
 
AIR-VAC N15EZ15; 15mm Nozzle-7703C*
 
Tektronix 545A Instruction Manual 3209C-1
 
HP 3577A Network Analyzer + 35677A S-Parameter Test Set w/ Manual and Cables 
 
National Instruments VME-MXI-2, Assy 183105A-01 Board- 7103B-4
 
Parker 4301 Slide 7904D-1
 
Hakko A1180B Nozzle for SMD Rework Station- 7703C*
 
Hakko A1187B Nozzle for SMD Rework Station- 7703C*
 
Hakko A1186B Nozzle for SMD Rework Station- 7703C*
 
Leitz Wetzlar Diavert A0.25 L62 + Periplan 10X + Phaco L20/L32/10 Microscope r11
 
Tektronix 545B Instruction Manual 070-428 3209C-4
 
Tektronix 545A Instruction Manual 3209C-4
 
Fuji Optical 1:5/190 Projector Lens 62SI453 NEW , 106D-3
 
Honeywell X200545-PC 8A29-01 Micro Switch Sensor 8003B NEW !
 
HP 355D VHF Attenuator 
 
Tektronix 1503 Instruction Manual 070-1865-00 3209C-4
 
Buss JTN60060 36-60A 600VAC NB-1D 
 
HP 83480A Analyzer Programmers/ Quick Ref/ User Guide/ Quick Start Manual CD
 
Tektronix TR502 TR-502 Instruction Manual 070-1735-00
 
Buss JTN60030 0-30A 600VAC NB-1D
 
Tektronix 607 Instruction Manual 070-2091-00 3209C-4
 
AB Allen Bradley 194R-NJ030P3 Ser B Disconnect Switch no knob NB-1D
 
Unit Instruments 1660 UFC-1660 Mass Flow Controller 8904e
 
EES KSV 1,25-B 1.25-B 24VDC 1,25A NB-1D
 
AMP 90115 Type F 24-22 Crimper Crimping Tool Bin 1 #2 
 
Tektronix 624 Instruction Manual 070-2532-00 3209C-4
 
2- SUNON KD1208PTB1, 12V-2.5W Fans "NEW"*
 
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Thomas & Betts WT450 WT-450 Interchangeable Die Frame Tool B1#3 7501B
 
Tektronix 546 Instruction Manual  070-367 3209C-4
 
TOL-O-MATIC B3S#231733 Linear Actuator- Rack 14*
 
Ashcroft ASH-K1-7-M02-42-F2 Transducer NEW , 96F-1
 
Tektronix 555 Instruction Manual 070-0165-00 3209C-4
 
Tektronix 107 Instruction Manual IM-107-1 3209C-4
 
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Tektronix 532 Instruction Manual 3209C-4
 
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AMP 90268-1 Type F 24-28 Crimper Crimping Tool B2#1 
 
Festo DZH-2-7-PPV-A Pull-Push Air Cylinder, 95D-3 
 
AMP 47043 20-18 Type F Crimper Crimping Tool B2#2 
 
emecanique XU6 M18MB230K 240V, 96F-1
 
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KOLLMORGEN ServoStar 603 Servo Controller*
 
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Syna SSMBOSGT PE Module- 7704B*
 
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HP 3314A Function Generator 7502E
 
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DYN-OPTICS Optical Monitor 590 Rack3b
 
3M 710 Splicing Splice Module 3M710-TCL-25  25 Pair per box LOT OF 3 BOXES NEW 
 
Minarik Motor Speed Controller
 
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Bias Tee Multiplexer MT-25-SSftS-L3T 
 
SMC MXS20-150 Air Slide 0.15-0.7MPa, 106D-4
 
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MFE 19957000 Posi-Trace 2, 2 Channel Thermal Array, 7102B-4
 
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Grayhill 51MP30-01-1-07N Rotary Switch, 7303A
 
HP 87106A DC to 4GHz SP6T Coaxial Switch 8904b
 
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Hubbell HBL7545C Twist-Lock Plug, 7303A Set of 2
 
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NEW ACCU SORT B-33107 SERIES B1 PROXIMITY SENSOR 96D4
 
Tektronix 114 Instruction Manual 070-465 3209B-1
 
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Tektronix 127 Instruction Manual 070-284 3209B-1
 
Cornell-Dubilier Electronics CDE Electrolytic Capacitor 450VDC, 106D-4
 
PS Syracuse Electronics SCPA-8B1515S Solid State Relay, 7303A
 
Tektronix 130 Instruction Manual 070-0231-01 3209B-1
 
Opto 22 Model 480D10-12 Solid State Relay, 7303A
 
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HP 16500A Analyzer Reference Manual 16500-90902 3112C-2
 
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Tektronix 134 Instruction Manual 070-0524-00 3209B-1
 
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DELL AC/DC ADAPTER ADP-220AB 7003B-2
 
INFICON 754-020-G2 Filter Complement*
 
Tektronix 180A Instruction Manual 070-074 3209B-1
 
Pack of 2 Hubbell 2315 Twist-Lock Male Inlets, 7302C
 
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NC Nor-Cal 030905-2-14 + SS-4H-TW +31E1 Vacuum , 81B-1
 
SMC MXP10-20 Press 0.15 ~ 0.7 MPa JT, 104D-4
 
Tektronix 190A Instruction Manual 3209B-1
 
HP 16530A/16531A Oscilloscope Module Front Panel Operation Reference 16530-90902
 
Bausch & Lomb Stereo Zoom 4 Rk16b
 
Newport HPS-ICSS-316G-12-SMP-M/N Penetration Probe 2607A
 
Krohn-Hite 3341 Filter, 7202C
 
HP 16510A Analyzer Module Getting Started Guide 5954-2672 3112C3
 
DYN-OPTICS Optical Monitor 580D rk4b 
 
Tektronix 11A52 user reference manual 250-0588-00 3209B-1
 
HP 6615A Precision Power Supply 0-50V, .8A/50-100V, .4A- Rack 12*
 
LEADER 8100, 100MHz Oscilloscope*
 
Tektronix P6046 Active Differential Probe System 7203D*
 
Warner ERS-68 Holding Brake 24VDC 53.6W 5154-170-002 
 
KEYENCE EM 054 proximity sensors/in-cable amplifiers 
 
MKS BARATRON 170M-6C Range Multiplier w/370HS-1 Pressure Meter*
 
T&B Russellstoll 3700P Plug
 
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WILD PHOTOAUTOMAT MODEL MPS 55 - Rack 14*
 
Boston Gear Fluid Power #EN61230-MG 70253, 96F-3
 
Lake Shore Cryotronics, Inc. DIGI-K, DI-8, Cryogenic Thermometer*
 
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NORGREN Lubricator-MF #L74M-3AP-QPN, 96F-3
 
Allen-Bradley 1771-OBD 10-60VDC Output Module*
 
SS - 0060 Probe
 
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NORGREN Regulator #R08-300-RGMA, 96F-3
 
SS-082R IWATSU Probe  1.2 m
 
Philips PM 8926/59 Probe
 
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Parker Compumotor SM232BH-N Servo Motor 
 
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Sofie Instruments CA-C-1 laser
 
Ferran Scientific Micropole CNI-232 Pwr Adaptor w/cable/AC Adaptor/Parts 
 
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TEKTRONIX P6202A SCOPE PROBE KIT 7203C*
 
Schmersal AES Safety Relay- 3365-8104C*
 
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Tektronix J16 Digital Photometer
 
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