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H4116黑馬德國H4116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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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。 

GE 23L6516R 1uF 2100VAC Oval Capacitor BR1Br5 NEW
 
OCTAGON SYSTEMS P/N MPB-16 I/O MODULE BD 16 POSITION 7003A-1
 
SMC MXP16-30 Linear Slide w/PL41750/41749 Roller Arm*
 
BANNER 48537 Light Curtain Controller*
 
International Light SEE400 Sensor, 7904D-1
 
MAC VALVES INC 56C33111JJ NSFP SOLENOID VALVE 3WAY 120/110V 50/60HZ 6.8W, 84B-3
 
12 Pcs- Siemens 32.7513.710-00 (omron sensor)*
 
Sony 07MXC2 (RV. HE) X2 Picture Tube, 83B-3
 
Masterflux 025A0049 B Compressor Controller*
 
Cooper Bussmann Buss LPJ-30SP Fuses Box of 3 NEW 8904f
 
TOSHIBA G3 TOSVERT-130 TRANSISTOR INVERTER VT130G3U4160- Rack 13*
 
Cooper Bussmann Buss LPJ-4SP Fuses Box of 10 NEW 8904f
 
PANAFLO 4.7" 12V, 0.65A FBL12G12U DC Brushless Fan "NEW' - 8502A*
 
SMC MXP16-30 Linear Slide 0.15-0.7 MPa*
 
General Radio GR GenRad 1482-G 5mH +-0.1% Standard Inductor 
 
RBPP-0502-2 IDEC Solid State Relay 7003A*
 
GE Fanuc IC693UDR002AP1 Series 90 Micro Programmable Controller, 7403C
 
Compact Automation Products QG01-755-C Pneumatic Cylinder*
 
Allen Bradley HR 100-240VAC; 0-5 Sec Multi-Function Timing Relay 7003A-4
 
HP 185A Oscilloscope Operating & Service Manual 01103-2 3115B-1
 
HP 186A Switching Time Tester Operating & Service Manual 3115B-1
 
ASCO Red Hat Solenoid Valve Model 8263G206V , 90B-1
 
HP 187A Dual Trace Vertical Amplifier Operating & Service Manual 3115B-1
 
HP 188A Dual Trace Vertical Amplifier Operating & Service Manual 3115B-1
 
HP 428A Clip-On Milliammeter Operating & Service Manual 3113B-3
 
HP 191A TV Waveform Oscilloscope Operating & Service Manual 00191-90902 3115B1
 
Omron H3BH Timer 0.5 to 10min 120VAC 7003A-4
 
GE 97F8060 12.5uF 370VAC Oval Capacitor BR1Br5 NEW
 
HP 425A DC Microvolt Ammeter Operating & Service Manual 00425-90004 3113B-3
 
HP 198A Oscilloscope Camera Operating & Service Manual 3115B-1
 
Parker Daedal 105002BTEP-D3L3C4M1E1 Linear Positioner 2" Travel 5" Wide*
 
GE 97F5160 25uF 370VAC Round Capacitor BR1Br6 NEW 
 
HP 505A Power Supply Instruction & Operating Manual 3113B-3
 
HP 200C/ 200D Audio Oscillator Operating & Service Manual 3115B-1
 
Dynapar 62-AAEF-0600-A0-00 Rotopulser Rotary Transducer, 7302B
 
HP 200CD/ CDR Wide Range Oscillator Operating & Service Manual 3115B-1
 
HP 431B Power Meter Operating & Service Manual 431B-902 3113B-3
 
Tektronix 011-0102-00 Termination 75 ohm 5V RMS 8501C 
 
Square D 8910-DPA13-A 8910DPA13 Series A Contactor 600V 20A 
 
HP 202A Low Frequency Function Generator Operating & Service Manual 3115B-1
 
GE 97F9610 30uF 370VAC Round Capacitor BR1Br7 NEW
 
Tektronix 067-0529-00 Calibration Fixture 8501C
 
HP 200CD Wide Range Oscillator Operating & Service Manual 200CD-907 3115B-1
 
HP 428B Clip-On DC Milliammeter Operating & Service Manual 00428-90002 3113B-3
 
GE 97F6900RC 16.5uF 480VAC Oval Capacitor BR1Br6 NEW

HP 204C Oscillator Operating & Service Manual 00204-90000 3115B-1
 
HP 201C Audio Oscillator Operating & Service Manual 3115B-1
 
GE 97F6692 8.5uF 480VAC Oval Capacitor BR1Br1 NEW
 
HP 205AG Audio Signal Generator Operating & Service Manual Copy 3115B-1
 
emecanique Schneider XS7-C40AS101 XS7C40AS101 Plug-In Sensor 
 
Rexroth Valve 4WE10JB21/AW / WH70-4-A 229 110V 50/60Hz, 90B-1
 
GE 97F6856RC 7uF 280VAC Oval Capacitor BR1Br3 NEW
 
KH Krohn-Hite 3320 Variable Filter , 81C
 
HP Agilent ESG / ESG-D Series Signal Generators Calibration Guide New 3115B-1
 
Cooper Bussmann Buss KTK-10 Limitron Fuses Box of 10 New 8904f
 
Superior Electric A201053-37 & A201053-038 Phase Shifting Capacitors, 7503C
 
HP ESG / ESG-D Series Signal Generator Programming Guide New 3115B-1
 
Superior Electric A201053-66 & A201053-041 Phase Shifting Capacitors, 7503C
 
GE 97F6845RC 18.5uF 280VAC Oval Capacitor BR1Br1 NEW
 
Metcal NZA-250-290 APR Reflow Tweezer Nozzle 25mmx29mm 7703A*
 
GE 97F9673 5uF 20uF 370VAC Oval Capacitor BR1Br6 NEW
 
GE 27L8006RR 57uF 346VAC Round Capacitor BR1Br6 NEW
 
Cooper Bussmann Buss T-Tron JJS-150 Fuses Pack of 2 8904f
 
ARO Fluid Power 115288 Mounting Brackett, 90B-1
 
ITT Pomona 5360-0 490 Pack of 20 Test Clips NEW 8501C/ rk14btm
 
HP 355C/355D/355E/355F VHF Attenuators Operating Note 00355-90025 3115B-2
 
Comtrac C002N0063MR163/050 Gear Reducer & GE 5KCR46MN0055Y Motor- Rack 3btm 
 
HP 417A VHF Detector Instruction & Operating Manual 3115B-2
 
Superior SLO-SYN SS400 Synchronous/Stepping Motor*
 
 LOGISYS PS550A-BK 550W Dual Fan Switching Power Supply "NEW" 8002A*
 
HP 415E SWR Meter Operating & Service Manual 00415-90007 3115B-2
 
Catalyst Enterprises Master Series STX-431 STX431-0178 rk3c
 
Weston 904, 25-1000 Cycles A.C. Voltmeter-8503B*
 
HP 415B Standing Wave Indicator Operating & Service Manual 3115B-2
 
HP 414A Autovoltmeter Operating & Service Manual 00414-90001 3115B-2 
 
HP 411A RF Millivoltmeter Operating & Service Manual 3115B-2
 
HP 85023B APC 3.5 Verification Kit + 909D + 8493C + 85037-60001 + Connectors 
 
HP 410B Vacuum Tube Voltmeter Operating & Service Manual 3115B-2
 
Weston 901 Voltmeter- 8503C*
 
Metcal NZA-CN-555-555; 55.5mm x 55.5mm APR Reflow Nozzle 7703A*
 
ITT Jennings J1HT 57 15kV 10% NPO Capacitor RFE 8601G
 
Baldor CWDL3504 Industrial Motor 35J306-154 1/2HP 8/4.2-4 AMPS, 87C
 
Sanyo 103-606-27 6VDC Stepper Motor 3A 1849-5390 NEW, 83B-3
 
emecanique XCK-T102 H7  , 90B-1
 
Watlow SSR-600-25A-AC1 Solid State Relay*
 
Rockwell Wescom 3603-00 LIU-3 Mode 3 Line Interface Unit, 7401E
 
HP 405AR Automatic DC Digital Voltmeters Operating & Service Manual 3115B-2
 
K&L M/W S/N 100, 7FV10-10350/T500-0/0
 
HP 403B AC Voltmeter Operating & Service Manual 00403-90006 3115B-2
 
Lantronix XPD100100K-01 Kit "NEW" 8001B*
 
HP 400D Vacuum Tube Voltmeter Instruction & Operating Manual 3115B-2
 
K&L M/W S/N 104, 4FV10-20700/E1365-OP/OP
 
HP 400C Vacuum Tube Voltmeter Instruction & Operating Manual 3115B-2
 
Superior SLO-SYN SS150-1004 Synchronous/Stepping Motor*
 
NMB-MAT 7 1608VL-05W-B40 24VDC 0.07A Fan Pack of 2 8501C
 
GenRad 2600-9840-A Trace Interface Module- 8502B*
 
HP 400GL AC Voltmeter Operating & Service Manual 3115B-2
 
Autonics CT4S-1P2 Counter/Timer 24-48VAC "NEW" 8001B*
 
Jamesbury VPVL050 SR4/5 B Valve Actuator w/Mounting Plate*
 
K&L MICROWAVE 4B250-3100/H320-0/0, S/N 95
 
K&L M/W S/N 75, 4C50-3100/T30-0/0
 
Superior X-250 SLO-SYN Explosion Proof Motor*
 
K&L M/W  S/N 202, 4C30-477.8/T10-0/0
 
HP 382A Variable Attenuator Operating & Service Manual 3115B-2
 
HP 354A Coaxial Step Attenuator Operating Note 3115B-2
 
HP 350C/D Attenuator Set Operating & Service Manual 3115B-2
 
K&L MICROWAVE 4B120-500/H20-0/0, S/N 185
 
Transair DN25 Reducing Connector-8301C*
 
HP 350A/B Attenuator Set Operating & Service Manual 3115B-2
 
K&L M/W S/N 179, 9FV20-3350/T140-0/0
 
Duratool SLD HP50 Digital Torque Meter 0.15N-m to 5N-m "New in box & Hardcase"*
 
HP 331A/332A Analyzer Operating & Service Manual 00331-90001 3115B-2
 
K&L M/W S/N 80, 7FV10-3100/T250-0/0
 
Minarik Visi-Tach VT3-115 Digital Readout, 7201A-3

Honeywell Y455X1-B-000-00-2274 Chart Recorder, 7602D
 
HP 331A/332A Analyzer Operating & Service Manual 00331-90002 3115B-2
 
HP 330B/C/D Distortion Analyzer Operating & Service Manual 3115B-2
 
K&L M/W  S/N 111, 5FVSP-1550/T24-0/0
 
HP 330B Noise & Distortion Analyzer Instruction & Operating Manual 3115B-2
 
HP Effective Machinery Measurements Application Note 243-1 AN243-1 3115B-2
 
K&L MICROWAVE, 4B120-450/H50-0/0, S/N 106
 
Elcom  5113B833 Brushless DC Servo Motor w/ NEAT Linear Axis Assembly- 8002B*
 
HP 310A Wave Analyzer Operation & Service Manual 436- 3115B-2
 
HP 302A Wave Analyzer Operating & Service Manual 018- 3115B-2
 
K&L M/W  S/N 103, 7FV10-3900/T500-0/0
 
HP 310A Wave Analyzer Operating & Service Manual 516- 3115B-2
 
HP 302A Wave Analyzer Operating & Service Manual 3115B-2
 
K&L M/W  S/N 107, 4FVSP-3600/T30-0/0
 
K&L M/W  S/N 97, 4FVSP-3720/T36-0/0
 
HP 216A Pulse Generator Operating & Service Manual 3115B-2
 
HP 212A Pulse Generator 419- Operating & Service Manual 3115B-2
 
K&L M/W  S/N 100, 4FVSP-3100/T30-0/0
 
HP 212A Pulse Generator 022- Operating & Service Manual 3115B-2
 
K&L M/W  S/N 183, 7FV10-7135/T270-0/0
 
HP 211B Square Wave Generator Operating & Service Manual 3115B-2
 
K&L M/W  S/N 106, 4FVSP-3960/T36-0/0
 
HP 211A Square Wave Generator Operating & Service Manual 3115B-2
 
K&L M/W  S/N 99, 4FVSP-4080/T36-0/0
 
K&L M/W  S/N 98, 4FVSP-3840/T36-0/0
 
Ana A-1000, A1000 XP (C-80) Organics Analyzer*
 
Superior SLO-SYN SS150-1087 Driving Motor*
 
K&L M/W  S/N 175, 7FV10-7365/T270-0/0
 
Panasonic LC-R127R2P1 12V, 7.2Ah/20HR, 84C
 
K&L M/W  S/N 97, 4FVSP-1500/T30-0/0
 
Square D HL150 HLL36150 Circuit Breaker,98C-2
 
Festo LFR-3/8-S-B, WA-1, 4-16 Bar Valve- 8401B*
 
Narda Directional Coaxial Coupler, 4246B-20, -20 dB, 6-18 GHz
 
Zeus Industrial 11SW 11 Gage Natural Color 500ft TFE 500' Teflon Tubing 
 
Zeus Industrial 11TW 11 gage Natural Color TFE Teflon Tubing 500ft NEW 500' 
 
Emerson ACDC RM164B-2332-0066 Power Supply*
 
Triangle Microwave Inc. 4 Way Power Divider, Model YF-25, FREQ:  .75 - 1.5 GHz
 
Bel MERIT FG-150 Function Generator
 
Power One HC5-6/OVP-A  Power Supply, 98C-3 
 
Viking Electronics Weather Resistant Call Speaker "NEW" Rack 15*
 
Condor HA15-0.9-A+ DC Power Supply 12/15V 0.9A NEW , 98C-3
 
ASTEC AC 9355Power Supply "NEW", 98C-3
 
PAC-SDD-02/ C9451964 circuit board w/ National InsDAQCard-DIO-24/ w cord
 
Starrett Feeler Stock - 667-28 Thickness Gage12pcs
 
Bryant 7485NP  Locking Midget Plug,3P, 3W, 15A 125/250V Qty. 2 PCS, 98C-3
 
Ashcroft Test Gauge Accuracy Grade 3A 0-30 PSI ,98C-3
 
Flow Control Valve MF500B, 98C-3
 
BELDEN RI-38601 12Ft GPIB Cable*
 
Sporlan Valve #XYP-3 MRP 500, 90B-2
 
Sanyo STK-Z-3004-D IC Regulated DC to DC Converter, 90B-2 
 
Agilent 5086-7822; 24VDC Attenuator*
 
HP 33321 33321-60025 Attenuator Rack12
 
AD Analog Devices ADC1130 2 Pack NEW rk12
 
Custom Hand Die Press*
 
HP 5086-7842; 24VDC Attenuator*
 
XP Power PBM300PQ11C 300W 24VDC Power Supply rk12
 
ABB SACE S3 150A AG01018381 3A 400 VAC Circuit Breaker 4-Pole 600VDC, 84C
 
Chapman 10798 Series 5pf Power Supply w/ RSM Anti-Static Bar*
 
BI Technologies RBC Turn Counting Dial*
 
PHD Inc. R11A 4 090ADKMPT Rotary Acutator D Cylinder, 90B-2 
 
Axiom CME-2107; 33C4445 Microprocessor Card "NEW"- 8503A*
 
PTFE TFE 1000' 1000ft 19LW 19-LW Natural Teflon Tubing NEW 7903E
 
HUBER+SUHNER AG EMP- Lightning/Surge Protector*
 
HP 8116A Pulse/ Function Generator Opt 001
 
Turck Ni8-G18-ADZ30X2-B3331/S34 1303500 Sensor Ni8-ADZ30X2 7003A-1
 
SQUARE D General Purpose Transformer PN 1.5S43F 1.5KVA Good Condition , 84C
 
IPG Photonics Ytterbium Fiber Laser Driver YLD-2 Rack12c
 
Steinel 8241200 Thermo-Check TCI Thermometer "NEW"- Rack 12*
 
Turck Bi2-GT12-AZ31X-B3131/S34 1303500 Sensor NEW 7003A-1
 
Schrader Bellows 74319-0115 Valve NEW, 98C-3 
 
Netcom Systems X-1000 Fast Ethernet Tester/Simulator/Analyzer rk4b 
 
SIMPSON 1327; 0-50 DC MA Panel Meter "NEW"*
 
Axiom CMD-912DG128; 33C4442 Microprocessor Card "NEW"- 8502B*
 
RLC Red Lion Controls IMD1 IMD13107 Display Unit AS IS 7003A-4
 
HP 523B Electronic Counter Operating & Service Manual 3115B-3
 
Square D NEMA SIZE 0 "SBO 1" 8536 Series A 115V 1HP, 230V 2HP Starter 7003B-1
 
HP 520A Power Supply Instruction & Operating Manual 3115B-3
 
Axiom PM-912D60; 33C5883 Microprocessor Card "NEW"- 8502D*
 
HP 489A/ 491C Microwave Amplifier Operating & Service Manual 3115B-3
 
Pro-Power PP1911 Red 2" Heat Shrink Tubing 50 ft*
 
HP 463A Precision Amplifier Operating & Service Manual 000463-90000 3115B-3
 
Honeywell C437 Gas Pressure Switch Qty of 2, 85C-2
 
OLYMPUS SZH10 Research Stereo Microscope, with extras
 
Tektronix AM503 AM-503 Current Probe Amplifier w/ Calibration Documents rk3c 
 
Tektronix PS2520G Programmable Power Supply 7603D
 
Snap-Tite/Jefferson General Purpose 2-way Valve 6242BA8 24VOLT 60HZ, 96A-2
 
F.W. Bell 9200 Gaussmeter FW Bell Rack3C 
 
HP 460B Fast Pulse Amplifier Operating & Service Manual 3115B-3
 
ONEAC Power Supply FT1110 / 009-151 50/60Hz, 97H
 
HP 460A Wide Band Amplifier Operating & Service Manual 3115B-3
 
HP 456A AC Current Probe Operating & Service Manual 3115B-3
 
Digital Lightwave ASA-PKG-OC3 SONET Protocol Processor*
 
HP 437B Power Meter Operating Manual + Getting Started Guide + 8481A/82A/83A 
 
HP 450A Amplifier Operating & Service Manual 3115B-3
 
XP Power JTL3024T0515 9-36VDC output 5VDC 4A +-15VDC 0.33A Converter Pack of 2
 
HP 436A Power Meter Operating & Service Manual 3115B-3
 
Allen-Bradley 1606-XLP Power Supply 1606-XLP25A Ser A 5-5.5VDC 5A 7702C
 
HP 37722A Digital ecom Analyzer*
 
HP 435B Power Meter Operating Manual 00435-90029 3115B-3
 
OCTAGON SYSTEMS P/N SBS-150H Circuit Board 7003A-3
 
HP 435B Power Meter Operating & Service Manual 00435-90030 3115B-3
 
SCI Systems Data Bus Coupler 5012380-002 2J622 7003A-1
 
Yamada NDP-15 FPT Diaphragm Pump*
 
HP 432A Power Meter Operating & Service Manual 00432-90009 3115B-3
 
AMVECO Transformer TRF# MT 1000DS, 85C-2
 
TTC Fireberd 6000A Communications Analyzer*
 
HP 431B Power Meter Operating & Service Manual 3115B-3
 
HP 431B Power Meter Operating & Service Manual 00431-90007 451- 3115B-3
 
ASC Capacitors HNT64, A17984; 240MFD+/-10%, 400VAC Capacitor*
 
HP 431C Power Meter Operating & Service Manual 00431-90014 3115B-3
 
RED LION Controls APLT0800 Totalizer Counter "NEW"*
 
HP 428B Clip-On DC Milliammeter Operating & Service Manual 00428-90002 3115B3
 
HP 428A Clip-On Milliammeter Operating & Service Manual 3115B-3
 
General Radio GR GenRad 1482-C 200mH+-0.25% Standard Inductor 
 
emecanique TBX-SUP-10 SUP-10 TBXSUP10 TBX7 Power Supply 7103B-1
 
General Radio GR GenRad 1482-D Standard Inductor 500mH+-0.1% 
 
HP 427A Voltmeter Operating & Service Manual 00427-90004 3115B-3
 
Allen Bradley Disconnect Switch 1494V-DS30, 30A 7003A-2
 
Axiom CMD-912DP256; 33C4443 Microprocessor Card "NEW"- 8502D*
 
General Radio GR GenRad 1482-K 50mH+-0.1% Standard Inductor 
 
HP 425A Microvolt-Ammeter Operating & Service Manual 3115B-3
 
Klixon CLA-70 8545 Switch 7701A
 
Axiom CMD-0563-T;  Microprocessor Card "NEW"- 8502D*
 
Racal-Dana 9009A Modulation Meter rk19btm
 
Fluke 8840A Multimeter Instruction Manual COPY 3311d1
 
Agilent 85070D 8120-6192 Dielectric Probe Kit 85070D-CFG001