MT02080
重点知识
1、根据上位机的报警信息查找故障。PLC控制系统都具有丰富的自诊断功能，当系统发生故障时立即给出报警信息，可以迅速、准确地查明原因并确定故障部位，具有事半功倍的效果，是维修人员排除故障的基本手段和方法。
2、根据动作顺序诊断故障。对于自动控制，其动作都是按照一定的顺序来完成的，通过观察系统的运动过程，比较故障和正常时的情况，即可发现疑点，诊断出故障原因。如某水泵需要前后阀门都要打开才能开启，如果管路不通水泵是不能启动的。
3、根据PLC输入输出口状态诊断故障。在PLC控制系统中，输入输出信号的传递是通过PLC的I/O模块实现的，因此一些故障会在PLC的I/0接口通道上反映出来，这个特点为故障诊断提供了方便。如果不是PLC系统本身的硬件故障，可不必查看程序和有关电路图，通过查询PLC的I/O接口状态，即可找出故障原因。因此要熟悉控制对象的PLC的I/O通常状态和故障状态。
4、通过PLC程序诊断故障。PLC控制系统出现的绝大部分故障都是通过PLC程序检查出来的。有些故障可在屏幕上直接显示出报警原因；有些虽然在屏幕上有报警信息，但并没有直接反映出报警的原因；还有些故障不产生报警信息，只是有些动作不执行。遇到后两种情况，跟踪PLC程序的运行是确诊故障的有效方法。对于简单故障可根据程序通过PLC的状态显示信息，监视相关输入、输出及标志位的状态，跟踪程序的运行，而复杂的故障必须使用编程器来跟踪程序的运行。如某水泵不工作，检查发现对应的PLC输出端口为0，于是通过查看程序发现热水泵还受到水温的控制，水温不够，PLC就没有输出，把水温升高后故障排除。
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VEXTA CBC-25A CBC25A
VEXTA C9910-9212KT STEPPING MOTOR 2 PHASE, 1.8/STEP ()
VEXTA C9910-9212KT STEPPING MOTOR 2 PHASE ()
Vexta C9658-9212KE 2-Phase Stepping Motor w/HEDS-5600 H06 Encoder Assembly
Vexta C9363-9012PE, SY7 02654, 2 phase, stepping motor W/HEDS-5500 E14 encoder
VEXTA C9130-9012KE C91309012KE
Vexta C9097-9012K 2-phase, 5.6V, 0.85A, stepping motor
Vexta C8833-9212K 6.3VDC 1.4-Amp 1.8°/Step 2-Phase Industrial Stepping Motor
Vexta C8601-9012K, QZ7 01136, 2 phase, stepping motor
Vexta C8600-9012K, RR7 01238, 2 phase, 5.6V, .85A, 1.8° step, stepper motor
Vexta C8590-9012KE, 2-phase, 5.6V, 1.8? stepper motor w/ago HEDS-5500 encoder
VEXTA C8429-9212K STEPPING MOTOR 3.45 VDC 2 PHASE 1.8o STEP
VEXTA C8429-9212K STEPPING MOTOR 3.45 VDC 2 PHASE 1.8o STEP
VEXTA C8413-9012K C84139012K
VEXTA C8413-9012K MOTORIZED CONVEYOR PARTS SHUTTLE 0369-100RN-4-SB-007
vexta c8413-9012k
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Vexta C8049-9212K 2-Phase Stepping Motor
Vexta C7885-9012KGM-1 2-Phase 5.6 Volt DC Stepper Motor
VEXTA C7796-9212H C77969212H
Vexta C7413-9012K Powered Linear Slide 380mm of Trel - CNC - REPRAP - Arduino
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Vexta C7411-9212K Powered Linear Actuator Worm Driven - Arduino - REPRAP - CNC
VEXTA C7400-9212K Very Large Stepper - 12V 2 Phase 1.8 Deg Step - Arduino - CNC
VEXTA C6925-9212K C69259212K
Vexta C6925-9212K Stepper Motor 2PH
VEXTA C6781-9212K C67819212K
VEXTA C6591-9212 Stepper Motor
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Vexta C6220-9212K Stepper Motor 2PH 1.8DEG/STEP
Vexta C5511-9012 Stepping Motor 17VDC 0.28A 2-Phase 1.8 Degree
VEXTA C5413-9212 C54139212
VEXTA C5053-9012 C50539012
VEXTA C5053-9012 C50539012
VEXTA C4773 90215HGE 5-PHASE
VEXTA C4666-9212 C46669212
VEXTA C4657-9212 C46579212
VEXTA C4626-9212 C46269212
VEXTA C4441-9012 C44419012
Vexta C001N-9012K Industrial 8.5VDC 2-Phase 0.56Amp 1.8°/Step Stepper Motor
Vexta C001H-9212K Industrial 10.4VDC 2-Phase 0.7AMP 1.8°/Step Stepping Motor
VEXTA BXM5120-GFH2 BXM5120GFH2
VEXTA BXM5120-GFH2 BRUSHLESS DC MOTOR WITH GFH5G20 GEARHEAD GEAR HEAD
VEXTA BXM230M-A2 BXM230MA2
VEXTA BXD30A-A BRUSHLESS DC MOTOR DRIVER (1D2)P
VEXTA BXD120A-A DC SPEED CONTROLLER
VEXTA BXD120A-A Brushless DC Motor Driver
Vexta Brushless DC Stepping Motor 1/2" Shaft AXHM5100K-A-K3
Vexta brushless DC motor model FBLM512W-A
VEXTA BRUSHLESS DC MOTOR K0176-M * OUT OF BOX*
VEXTA BRUSHLESS DC MOTOR K0175-M * OUT OF BOX*
VEXTA BRUSHLESS DC MOTOR HBLM540K-GN #F15
VEXTA BRUSHLESS DC MOTOR HBLM540K-GN #F11
VEXTA BRUSHLESS DC MOTOR HBLM425K-GN 25W & GEAR HEAD 4GN3KA
VEXTA BRUSHLESS DC MOTOR HBLM425K-GN
VEXTA BRUSHLESS DC MOTOR DRIVER, BLD30A-F *MISSING SCREWS*
Vexta Brushless DC Motor Driver Model BLFD120C2 S7F4P2
Vexta Brushless DC Motor Driver Model BLFD120C2
VEXTA BRUSHLESS DC MOTOR DRIVER BXD120A-A
VEXTA Brushless DC Motor Driver BLFD60A2, BFLM460-GFS, Custom Test Stand
VEXTA BRUSHLESS DC MOTOR DRIVER BLD30A-F
VEXTA BRUSHLESS DC MOTOR DRIVER BLD3024-F
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Vexta Brushless DC Motor Driver 110/115 VAC (FBLD40A)
VEXTA Brushless DC Motor BLUM590-GFS w/ Gear Head GFS5G20
VEXTA BRUSHLESS DC MOTOR BLFM5120-GFS S/ GFS5G200 GEAR HEAD
Vexta Brushless DC Motor BL550A-24AF 3000 RPM 50W 50 W Watt
VEXTA BRUSHLESS DC MOTOR BL430GD-AF & GEARHEAD 4GD20K w/ DRIVER BLD30A-F
VEXTA BRUSHLESS DC MOTOR BL215GD-AF 15W 3000RPM BL215GDAF
Vexta Brushless DC Motor 30 W mit Getriebe 5:1 und Driver BLFD30C2
Vexta Brushless DC Motor 2000-RPM 25W HBLM425K-GN Oriental Motor Gear Head
VEXTA BRUSHLESS DC MOTOR & GEAR HEAD BL215GD-AF 2GD200K 3,000R/MIN FREE SHIPPING
Vexta Brushless DC Motor # BXM230M-GFS 30w Output Rated Speed 3000r/min
VEXTA BLS540A-24LA BLS540A24LA
VEXTA BLO60A-MK BRUSHLESS DC MOTOR DRIVER, NIB
Vexta 2 Phase Stepping Motor Model#-PH264-01?B
VEXTA C8211-9012K Stepping Motor 2 Phase 2.6VDC
Oriental Motor UPH566TG07-A Vexta Stepping Motor 5Phase
Vexta 0CSM2-0201A Servo motor NIB 0CSM20201A
Vexta UPH566G-A 5-Phase Stepping Motor NNB UPH566GA
Vexta Oriental Motor Co. Stepping Motor-PH265M-32?B, NEW
Vexta PK266-02A Step Stepping Stepper Motor
3AXES ORIENTAL VEXTA STEPPING DRIVER MOTOR CNC SERVO 5P
3AXES 2.8A ORIENTAL VEXTA STEPPING DRIVER MOTOR CNC
CNC Controller Board Vexta 5 Phase & Stepping motor
RORZE 2A MICROSTEP DRIVER VEXTA STEPPING MOTOR CNC KIT
2A MICROSTEP DRIVER VEXTA STEPPING MOTOR FOR CNC ROUTER
CNC Controller Board Vexta 5 Phase & Stepping motor
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ORIENTAL VEXTA STEPPING DRIVER MOTOR CNC SERVO 5P 0.75A
ORIENTAL VEXTA ALPHA STEPPING DRIVER MOTOR CNC SERVO
ORIENTAL VEXTA ALPHA ASD STEPPING MOTOR SERVO CNC ROUTE
Super Vexta SC8800 stepper driver
Oriental Motor Vexta 5 Phase Controller UDK5114NW2
DP6100S1 Oriental Motors Vexta Data Pack
PH265-01B Oriental Motors Vexta 6v 0.85a Stepping Motor
SG6100S Oriental Motors Vexta Pulse Generator
PK243M-01AA OM Vexta DC 2 phase 0.95a Stepping Motor
SUPER VEXTA 5-PHASE STEPPING MOTOR DRIVER UDX5128 BY OM
BLD224-S VEXTA BRUSHLESS DC MOTOR SPEED CONTOL DRIVER
H# Oriental motor Vexta ASD24A-A
Vexta UDX5107N
Vexta 5-phase driver UDK5128N-m-G1
Vexta AC servo driver KBLD 180-A KBLD180-A
Vexta brushless DC motor driver BLD180A-MK
SUPER VEXTA DRIVER AND MOTOR UPD566-A UPH566-A UDX5107
VEXTA AC servo driver KBLD120-A
Vexta 5 phase driver UDK5114N-m
SUPER VEXTA 5-PH STEPPING MOTOR UDX5128 ORIENTAL MOTOR
HV# Vexta 5-phase driver UDK5114N
Vexta Pulse generator SG8100S
NEW SUPER VEXTA KBLD60-C AC SERVO DRIVER NEW
VEXTA Stepping, Stepper Motor PK569AUHA
Vexta Brushless DC Motor with Gearhead & Driver FBLD20A
VEXTA ASM46AA-H100 100:1 Harmonic Drive
VEXTA Stepper Controller 5 Phase Driver RKD507-A
Vexta Speed Controller Brushless Motor Gearhead Control
VEXTA PK266-02A
Circular Variable ND Neutral Density Filter Vexta Motor
VEXTA UDK5114NW2 Microstep Driver for CNC Engraver
Vexta AC Servo Motor Driver KXPD 120-ABZ Oriental motor
Vexta UDK5107 5-phase stepper,steppin?g, step driver
Vexta Oriental Motor ASM34-H50 with Gear Ratio 50:1
Vexta Controller 9200 SG9200D-G Operational Unit OP200A
Vexta Oriental Motor PH533-NB-C2 0.72 deg with Gear
Nema23 Stepper Motor 160oz-in Nema 23 Vexta No Reserve
Vexta Oriental Motor UPH566HG1-A2 0.0144 deg w/ Gear
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Vexta Oriental Motor UPH566HG2-A2 + Harmonic Gear 1/50
Vexta C8513-9012K 1.8 deg 3.1V 1.55A Stepping Motor
Nema23 Stepper Motor 160oz-in Nema 23 Vexta No Reserve
Vexta Pulse Generator SG8200S Free Ship
Vexta Oriental Motor 0.72deg 0.75A + Driver CSD5807N
One Vexta Motor PK545-NBC-C25 with Koyo TRD-3A1024-2610
Oriental Vexta AC Servo Motor FXM250B-HG100
Oriental Vexta Motor PK268-03A-C9 + driver 24/36VDC 3A
Vexta 5 phase Stepper Motor PK596AW1-A17
Vexta Oriental Motor 5-Phase Driver CSD5814N-P 24VDC
VEXTA STEPPING MOTOR 5 PHASE MODEL PH5913H-NAA
1 NEW VEXTA ORIENTAL STEPPING MOTOR DRIVER 2PH 24VDC NI
VEXTA EM599H-NA Stepping Motor Free Ship
Vexta Oriental Stepping Motor A3617-9412 6VDC 2A 1.8deg
Nema23 Stepper Motor 160oz-in Nema 23 Vexta No Reserve
VEXTA BLD15A-F DC SERVO MOTOR DRIVER FREE SHIP
Vexta Oriental Motor 5-phase Driver DFC5114P Free Ship
Vexta Oriental Motor PH544HG2-NB + Harmonic Gear 100:1
one Super Vexta 5-phase Driver UDX5107N Free Ship
LOT 4 QMC SERVO VEXTA STEPPER MOTOR ENCODER CONTROLLER
Vexta PK243-01BA 2-Phase Stepping Motor
VEXTA PK599H-NACM Stepping Motor with Brake Free Ship
One VEXTA UPH299H-AA Stepping Motor Free Ship
Super Vexta 5-Phase Servo Driver UDX5107 UDX-5107 0.75A
Vexta Oriental Motor PH544HG1-NB 0.0144 deg w/ Gear
SUPER VEXTA 5 PHASE DRIVER UDX5128NA
Vexta Oriental Motor PK543BN-TG30A4 + Drive CSD5814N-P
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One Vexta Servo Motor FXM280-B 80W CNC Free Ship
Vexta AC Servo Motor FX250B HG100 CNC Free Ship
VEXTA NANOSTEP CONTROLLER MODEL: DFR1514A
Vexta Oriental Stepping Motor 5-Phase UPH564-A 0.75A
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CNC Mill NEMA23 Japan VEXTA 5 Ph Stepper Motor 2 Shaft
CNC VEXTA NEMA34 AC Servo motor & drive Replace stepper
MT02080
