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ALLEN BRADLEY 2711-K10G8X SER E PANELVIEW 1000 2711-K10G8

DODGE 033682 P2B-LT7-115 PILLOW BLOCK BEARING 1-15/16" P2BLT7115

ABB DSQC604 3HAC 12928-1 POWER BOX PBSE1027 POWER SUPPLY REFURBISHED

ALLEN BRADLEY 1756-0B16E /A OUTPUT MODULE CONTROLLIGIX 1756OB16E SER.A

SQUARE D 8502 A0-1 CONTACTOR W/ COIL SIZE 00 SER C 8502-AO1

ALLEN BRADLEY 849A-ZOD25 SER B PNEUMATIC TIMING RELAY 120-60HZ 110V-50HZ

CATTRON THEIMEG ATS 816 SERIES CN275GR1014T-XNB REMOTE CONTROL SYSTEM RD816

HONEYWELL C7012A1145 PURPLE PEEPER UC FLAME DETECTOR 120V 50/60HZ

MICROSWITCH PTCG CONTACT BLOCK

MORSE I10 15 LR GEAR REDUCER RATIO 15.0 INPUT HP .25 OUTPUT TORQUE 105

VICKERS DG4V-3S-2N-M-FTWL-B5-60 DIRECTIONAL VALVE

DODGE F4B-SC-107 4 BOLT FLANGE BEARING 1-7/16" 124208 R115/2457

BENTLY NEVADA 330101-00-32-10-02-00 PROXIMITY PROBE

CIRCUIT BOARD 1902000000 PCB FOR IDE/FDD ADAPTER REV A1

ALLEN BRADLEY 800T-FXP16A1 /T PUSH/PULL BUTTON 800TFXP16A1 SER.T

CUTLER HAMMER 9966D61G01 MOTOR PROTECTION RELAY IQ502A IQ 500

ALLEN BRADLEY 440T-MDCLE10BBDD SERIES A DUAL KEY CHAIN LOCK

LINCOLN ELECTRIC 10820 U1061200788 WIRE DRIVE SPEED 500/750 IPM MAX IP 21

WELCO 700-01-1206 MOTOR 600RPM 1.8  AMP 115 VOLT 1 PH 60 HZ

BIMBA C4 QUICK CONNECT CABLE 2 METER SNAP TIGHT

IN BOX PANDUIT DP485E88TV25 DATA-PATCH CATEGORY 5E RJ45-RJ PANEL 48 PORT

SINGER CARAMATE 3200 SLIDE PROJECTOR & CASSETTE TAPE PLAYER W/ CASE

SEALED ALLEN BRADLEY 2090-CPBM7E7-14AF07 SER A CABLE EXTENSION

AFAG RM 25 PNEUMATIC ROTARY ACTUATOR 001674

TURCK 4 RKF 30-X5-CS12 4 PORT J-BOX STANDARD WIRING INTEGRAL CABLE U2361-01

B&G 01995258801 3-WAY VALVE REPAIR KIT BG655777-B-1

PACO 98G01288  5 R3 PUMP HOUSING 101290

DAYTON 6EAV0 CONTACTOR 9A, 3P, COIL: 120VAC 50/60Hz

MITSUBISHI MC616B PC BOARD REV D  MC616 BN624A990G51 *READ*

BALLUFF BNS 519-B5 PROGRAMMABLE LIMIT SWITCH BNS519-B5-D12-100-11

FANUC A06B-0235-B400 AC SERVO MOTOR 4000RPM

HONEYWELL DC330E-KE-0C0-20-000000-E0-0 CONTROLLER UDC3300

FANUC A50L-0001-0348 TRANSISTOR A50L00010348

ALLEN BRADLEY 2708-DH5B2L DATA TERMINAL WORKSTATION SER B REV A

IN BOX PILZ PSEN OP1.3 MUTING SENSOR RECEIVER NO/NC M12

FACTORY AUTHORIZED PARTS LA21AB400 BLOWER WHEEL

LOT OF 2 EATON VICKERS 6337U-028 SEAL KITS

BAHCO 3869-20-0.9-TS-3 CARBIDE TIPPED SAW BLADE L 21'6" W 3/4 THICK. .035

SEALED WESTRONICS PA100082-01 RIBBON CARTRIDGE

ABB NPCU-01 PC CONNECTION UNIT

ALLEN BRADLEY 1492-SPM1B130 SER D SUPPLEMENTARY PROTECTOR 13A (QTY 2)

GOULD PROGRAMMER KEYPAD P105

YASKAWA ELECTRIC JZNC-XRK01C-1 CONTROL RACK WITH JZNC-XRK01 DUAL FAN ASSEMBLY

ALLEN BRADLEY 1769-PA4 COMPACT I/O POWER SUPPLY SER. A

TELEMECANIQUE ABL7 RE2405 POWER SUPPLY MODULE ABL7RE2405

HITACHI H10B-R CONTACTOR, COIL 100V 50Hz/100-110V 60Hz, & THERMAL OVERLOAD RELAY

LOT OF 3 TSUBAKI 03H51 OFFSET LINK

BANNER Q23SP6R PHOTOELECTRIC RECEIVER 46434

ALLEN BRADLEY 800MB-CP16XS SER A LIGHT PILOT  800MBCP16XS

LOT OF 3 CUTLER HAMMER H1049 HEATER COIL

RK ELECTRONICS RCM2DA-18 TRANSIENT VOLTAGE FILTER

DECREPEATER 90T DETMR-M REV F04

LOT OF 10 SWAGELOK B-6-RB-4 REDUCING BUSH  3/8 MALE

PARKER PV020R1K1T1NMMC PUMP

INVENSYS FOXBORO P0927AG FBM239 PROCESS CONTROL VOLTAGE MONITOR 16IN/OUT

BANNER ENGINEERING Q23SP6LP-52290 PHOTOELECTRIC SENSOR Q23SP6LP52290 52290

BROWNING BK36X7/8 SHEAVE BK36 BORE: 7/8" OD: 3-3/4"

INGERSOLL RAND ARO CAT33P-120-A SOLENOID VALVE

EFECTOR 100 ID0036 INDUCTIVE SENSOR IDE2060-FBOA/NPT

FANUC A02B-0094-B501 SERIES-15 TA I/O RACK A16B-1100-0310/04A

VICKERS DGMC2-5-AT-FW-BT-FW-B-30 PRESSURE RELIEF VALVE 02-126877 315 BAR

PROBE MASTER 4231 DIFFERENTIAL PROBE

OMEGA XCIB-K-4-1-3 HIGH TEMP INCONEL OVERBRAIDED CERAMIC FIBER INSULATED THE

SCHRADER BELLOWS B732456 SEAL KIT

GENERAL ELECTRIC 3S7505PS800E6  PHOTOELECTRIC CONTROL SCANNER ON/OFF 117VAC

SCHNEIDER MODICON 140AV002000 OUTPUT MODULE 140-AVO-020-00 140AVO02000

HONEYWELL FX100-K DIALAPAK CONTROLLER 120V 50/60HZ 0-2400F

WARNER ELECTRIC 5300 631 005 CLUTCH MAGNET 5300-631-005

LEEDS & NORTHRUP 0301-040 CPU BOARD C50 MASTER REV K 0301040

GE FANUC IC220PBI001-AA VERSAPOINT PROFIBUS-DP NETWORK INTERFACE UNIT

STEARNS 5-66-3076-00  SPRING ORANGE

ALLEN BRADLEY 140M-C2E-C10 SER C MOTOR PROTECTOR/CIRCUIT BREAKER

TRABON LUBRICATION MSP-20T MANIFOLD VALVE DIVIDER ASSEMBLY 3500PSI TWIN VALVE

DYNISCO N1195-S8-1.5M-9.5/36-H@1M-M625-L72 THERMOCOUPLE 12-42 VAC

LOT OF 7 PARKER 16 VTX-S MALE 45 DEG ELBOW 1" JIC X 1" NPT MALE STEEL

ORIENTAL MOTOR 6RK60RGK-AM REVERSIBLE MOTOR w/ AC100V MAGNETIC BRAKE

WOODHEAD BRAD HARRISON DN11A-M180 CORDSET, 5 PIN, 18M

EAGLE SIGNAL CE512A6 ELECTRONIC RESET TIMER V:120 HZ:60 M:2 OUTPUT V:120 A:10

BIMBA SR-125-DPY-00MC PNEUMATIC CYLINDER

GENERAL ELECTRICAL 15D22G003 SER A 230-240V 60HZ 220V 50HZ

KEYENCE CZ-H32 PHOTOELECTRIC SENSOR

DODGE SC 1-3/8 FLANGE MOUNTED BEARING BORE: 1-3/8", SC-1-3/8

SEALED MAGNESCALE  CE08-10 CABLE A8553230

ALLEN BRADLEY 42SRP-6034 SER B PHOTOSWITCH

ENERPAC SURD121 SWING CYLINDER UPPER FLANGE 5000PSI 350BAR

GENERAL ELECTRIC CR209E000BAA w/ CR306E0 REVERSING MOTOR STARTER

MIXED LOT OF 4 SPEAKER STROBES ET70-24MCWH, SEF-MC-R, SET-MC-CW

黑龍江雙鴨山BMXXBP1200驅(qū)動(dòng)系統(tǒng)
擴(kuò)展槽 1個(gè)PCI擴(kuò)展插槽

3．仔細(xì)觀察接觸器是吸合后再斷開，還是根本就不吸合。如果是吸合后再斷開，則可能是接觸器的觸點(diǎn)不好，更換接觸器。如果有一個(gè)沒有吸合，則該單元的接觸器線圈不好或控制板不好，可通過測(cè)接觸器的線圈電阻來判斷。
黑龍江雙鴨山BMXXBP1200驅(qū)動(dòng)系統(tǒng)
單路232通信電路：三線方式，與上面的三級(jí)管搭的完全等效。USB轉(zhuǎn)232電路：采用的是PL2303HX,價(jià)格便宜，穩(wěn)定性還不錯(cuò)。SP706S復(fù)位電路：帶看門狗和手動(dòng)復(fù)位，價(jià)格便宜（美信的貴很多），R4為調(diào)，調(diào)試完后焊接好R4。SD卡模塊電路（帶鎖）：本電路與SD卡的封裝有關(guān)，注意與封裝對(duì)應(yīng)。此電路可以通過端口控制SD卡的電源，比較完善，可以用于5V和3.3V。但是要注意，有些器件的使用，5V和3.3是不一樣的。
3．觀察是否一直報(bào)警還是偶爾出現(xiàn)報(bào)警，如果是一直報(bào)警則是單元或是控制板故障，否則可能是電機(jī)。

硬線是單股線，直徑粗，成本低，價(jià)格也比軟線便宜。硬線是實(shí)芯，線與線接頭更牢靠，不會(huì)像軟線一樣出現(xiàn)虛接，起刺等情況。安裝開關(guān)面板的接口是根據(jù)硬線設(shè)計(jì)的，會(huì)更方便。硬線顏色豐富，可以分辨出不同電路。軟線的零火地是包在一起的，不利于單獨(dú)鋪設(shè)，硬線更規(guī)范方便省材料。維修工老爺子支持軟線的原因是，后期維修的時(shí)候，軟線的延展性好，便于維修。二人說的都對(duì)，只不過角度不同。家庭裝修時(shí)，應(yīng)該結(jié)合具體情況使用。
高速計(jì)數(shù)器

交流電每秒鐘周期性變化的次數(shù)叫頻率，用f符號(hào)表示，單位為周/秒或赫茲(Hz)，我國電網(wǎng)的頻率為f=50Hz，周期與頻率之間關(guān)系為每秒鐘所變化的電角度叫角頻率（ω），角頻率與頻率、周期的關(guān)系為[例]已知i(t)=7.07sin(300πt-70°)A，u(t)=311sin（300πrad/s+285°）V，則電流i及電壓u的相位分別為____、____，它們的相位差為____，i(t)達(dá)到零值比u(t)____。