1746-P2
1746-P2
1746-P2
虽然工业控制机和可编程控制器本身都具有很高的可靠性，但如果输入给PLC的开关量信号出现错误，模拟量信号出现较大偏差，PLC输出口控制的执行机构没有按要求动作，这些都可能使控制过程出错，造成无法挽回的经济损失。
影响现场输入给PLC信号出错的主要原因有：
1)造成传输信号线短路或断路（由于机械拉扯，线路自身老化，特别是鼠害），当传输信号线出故障时，现场信号无法传送给PLC，造成控制出错；
2)机械触点抖动，现场触点虽然只闭合一次，PLC却认为闭合了多次，虽然硬件加了滤波电路，软件增加微分指令，但由于PLC扫描周期太短，仍可能在计数、累加、移位等指令中出错，出现错误控制结果；
3)现场变送器，机械开关自身出故障，如触点接触不良，变送器反映现场非电量偏差较大或不能正常工作等，这些故障同样会使控制系统不能正常工作。
备货，备货，降降降，火火火，火火火……
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SIEMENS CONTROL BOARD 6SC6100-0GA11 /REPAIRED 6SC6100-OGA11
FLEXLINK FLEX LINK DRIVE UNIT ZUS X85 DRIVE 004 XBEB 4A85 HRAGP
DOVER INSTRUMENTS AMPLIFIER BOARD ***A6520 ***A6520HS-50-001D1 6520-5002 GA6520-12
BALDOR DC MOTOR CDP3604 3.0 HP 180V 14 AMP 1750 RPM FR184C SPEC 36P149Z507
EATON VICKERS PUMP OLF15VNV15BMW02SBRJ FZP-1/3.1/P
BOSCH REXROTH DIGITAL CONTROLLER DMX-1X 4WRSE10V IN BOX
GE FANUC DS3800NFCD1K1E FIRING CIRCUIT CARD 305680 /REPAIRED BY GE
NACHI AC SERVO MOTOR MFMA452D6V3 4.5KW IN BOX
PARKER ORIGA OSP-E 0SP-E LINEAR DRIVE 2M BHDII SIZE 25 R20K10000000-02000
YOKOGAWA BATCH SET STATION SLCC/201-E/MTS SLCC-201*E/MTS NIB SLCC201
MODICON PLC TSX TSXP574823AM ETY PORT PV:01 RL:00
BOSCH POWER SUPPLY LTL00-3/9 NV 20/1F-D D-64711
DSPACE DS2103 MULTI-CHANNEL D/A BOARD DS2103-02 SN 73545
FANUC A16B-2201-0080 REFURBISHED
BOSCH DIGITAL DRIVE CONTROLLER DM 15K 1101-D
BOSCH DIGITAL DRIVE CONTROLLER SERVODYN DM 008K 1101-D
BOSCH DIGITAL DRIVE CONTROLLER SERVODYN DM 30K 1101-D
OKUMA SERVO MOTOR BL MOTOR BL-MC300J-20SNA NO ENCODER
ELEKTROMATEN ELEKTROMAT SAFEDRIVE SHUTTER DOOR MOTOR SG85 SI40.28
BENTLY NEVADA 3300/55-01-04-03-03-00-00-06-00 DUAL VELOCITY MONITOR
EMERSON 320A CHASSIS P/N 858905-00 REV A1 STEPPER NIB
EMERSON SERVO MOTOR DXM-208CB DXM208C 0.47HP 230V 3.0AMP 5000RPM REV A2
MITSUBISHI MELSEC ANALOG INPUT MODULE A60MXR
DET TRONICS DETTRONICS UV/IR FLAME DETECTOR U7652 U7652B1001 24VDC
DRIVECON XT SERIES XTD4022-000 20HP/11KW 380-460 3PH SOFTWARE PRO1V050
METSO VALMET ESU BOARD A413370 422138-3A
HILGER KERN PUMP 1-1,2-EE-R-F-100/HK-0/GL-Sp/SB NR ZADA 1001018
FANUC A20B-1000-0180/09A A20B1000018009A
HUB CITY 0220-54006-0790 0220-54006 MODEL 790 3.78/1 RATIO STD REBUILT BEVEL
PARKER PNEUMATIC CYLINDER 8IN BORE 40IN STROKE 250PSI
SIEMENS SIMODRIVE 6SC6120-0FE01 /REPAIRED
ELECTRO-CRAFT BRU-500 POWER SUPPLY P***-50 9101-0112 F
ALLEN-BRADLEY ULTRA 5000 SERVO DRIVE 2098-IPD-020 A 9111-0064 V1.10 2098IPD020
R B ANNIS COMPANY INDUSTRIAL PROBE DEMAGNETIZER 22 AMP SN 10-D-50
REXROTH VARIABLE VOLUME VANE PUMP SV PSV PSAF 15ERM 66 HYRADRAULIC R978709514
SUDMO SANITARY DOUBLE SEAT VALVE STAINLESS STEEL 6" DN6"-SCH5 PN10 2003513
GEA TUCHENHAGEN DOUBLE SEAT VALVE STAINLESS STEEL 6" REN-IPS6"-IZ
FANUC AC SERVO MOTOR A06B-0502-B074#7076 REBUILT
CONE DRIVE SPEED REDUCER GEARBOX 6:1 HU35-1 HU35A060-1 1750 INPUT 300RPM OUT
GE PANAMETRICS IS MIS SUB ASSEMBLY 703-1141 710-1141 REV E 800GFXM
GE FANUC DS3800NHVN1A1A HIGH VOLTAGE CARD REFURBISHED BY GE
SHINKO AC SERVO DRIVE SDD-F-280DC750W-3-2 NOT IN BOX
GE FANUC A6B-3200-0260/3C NO BOX
GE FANUC DS3800 DS3800NMEA DS3800NMEA1P1J
ABB CPU BOARD DCS500 SDCS-CON-1 REV L PR:E SER # 440194
DeZURICK BAW 206203R001 SIZE 12 PSI 100 COPES-VULCAN SWITCH SEH90
DOPAG DISPENSING VALVE 401.05.51 B L.21508 401.05.65 0.15195
GE FANUC OPERATOR INTERFACE 18-M A02B-0120-C051 MAR
FANUC A16B-1210-0090/03A A16B1210009003A IN OPENED FANUC PACKAGE
ALLEN BRADLEY MPL-B230P-EJ44AA MPLB230PEJ44AA KINETIX SERVO
ENDRESS HAUSER TURBIMAX SOLIDS CONTENT SENSOR CUS41 A2 90DEGREE SCATTERED LIGHT
ABB MODULE BOARD DSDP170 DSDP 170