6FC5203-0AF52-0AA0
PLC的故障类型有哪些?
外部设备故障
外部设备就是与PLC实际过程直接联系的各种开关、传感器、执行机构、负载等。这些设备发生故障,会直接影响PLC系统的控制功能。因此,维修PLC,首先要分清是外部设备故障,还是PLC本身故障。
系统故障
1)系统故障是影响PLC系统运行的全局性故障。
2)PLC系统故障可以分为固定性故障、偶然性故障。
3)故障发生后,可以重新启动使系统恢复正常,则就是偶然性故障。如果重新启动不能恢复,而是需要更换硬件或软件,系统才能够恢复正常,则认为是固定性故障。
硬件故障
PLC硬件故障主要指PLC系统中的模板、电路损坏而造成的故障。
软件故障
PLC软件故障包含软件错误、操作错误等。PLC软件故障一般可以通过PLC本身的自诊断测试功能或者软件来查看、检查。
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SIEMENS 3TH4454-0AK2 CONTROL RELAY 5 N.O. 4 N.C.
Siemens 3VE1010-2B Motor Starter Protector
SIEMENS 42AF3*FAHU ELECTRIC MOTOR CONTACTOR STARTER 3P 2* COIL 120V
Siemens 6ES5 431-8MA11 Simatic S5 Digital Input Module
Siemens 6ES5 440-8MA21 Digital Output Module Simatic S5
Siemens 6ES5 441-8MA11 Digital Output 8x24VDC .5 Amp
Siemens 6ES5 700-8MA11 Simatic S5 Bus Module
SIEMENS 6ES5340-3KB21 MEMORY MODULE 6ES53403KB21
Siemens 6ES5421-8MA12 SIMATIC S5 421-8 Digital Input, 8-Point, 24VDC, Non-Float
Siemens 6ES7 138-4FD00-0AA0 Potential Distribution Module
Siemens 6ES7 151-1AA04-0A0B MODULE IM151-1 I/F MOD W/TERM STD ET200S
Siemens 6ES7 151-1AA04-0A0B MODULE IM151-1 I/F MOD W/TERM STD ET200S
Siemens 6ES7 193-4CF40-0AA0 Terminal Module
SIEMENS 6ES7-194-4AA00-0AA0 SEMATIC DP CON MOD FOR ET 200PRO ()
Siemens 6ES7322-1HF01-0AA0 Output Module Simatic S7
SIEMENS COMMUNICATION MODULE H1 BUS 6ES55353LB11
SIEMENS CONTROLLER SMART II PLUS DDC 24VAC 09160230410
SIEMENS DRIVE 0.33HP 230V MICROMASTER VECTOR 6SE3-211-5CA40
SIEMENS I/O MODULE 5005048
SIEMENS I/O MODULE 5005048 , Factory Sealed
SIEMENS LASER SCANNER MOUNTING SYSTEM-LS4 3RG78381AA
Siemens Moore IO-8AI-2 8-Channel Analog Input 4-20mA PLC Module
SIEMENS MSEM - BREAKER E-FR MOUNT SCREW (4PCS) METRIC Box of 20 SIEMENS MSEM - B
SIEMENS NETWORK INTERFACE MODULE TIWAY 1 SIMATIC S7 5057339
Siemens OpenAir Actuator Model: GIB132.1U
SIEMENS OUTPUT MODULE 8 POINT ANALOG 470 6ES54704UC12
SIEMENS OUTPUT MODULE ANALOG 6ES54704UB11
SIEMENS OVERLOAD RELAY SETTING RANGE 14 - 20AMPS OLR0203
SIEMENS PLC BOARD W/ MULTIPLE COMPONENTS 6SC91320BA0
Siemens PLC Simatics S5 Bus Analog Input Module 6ES5 700-8MA11
SIEMENS RACK LOCAL/EXPANSION 4SLOT U04B
Siemens S5 6ES5 434-7LA11 Digital Input 8x24 VDC Interrupt
Siemens Sirius 3RV1421-1FA10 Manual Motor Starter
SIEMENS STARTER DS WO/BC ET200X .37KW 0.9-1.2* 3RK13000KS010A
SIEMENS U-38T OUTPUT MODULE 5-15VDC 32POINT U38T
Slemens Simatic S5 6ES5 464-8ME11 Analog Input 4x +4...+20mA
SMC 5100-06-IT CHLORINE EXPLOSION PROOF DETECTOR, CHLORINE CL 24V
SMC IF/PFA FLOW SWITCH -IF/PFA 1 INCH PT VERSION -DIGITA PF2A703H-10-28
SMC VSS8-8-FJG-D-3EZ-V1 24 VDC SOLENOID VALVE
Sola 2.5-24-100 Power Supply 24VDC
SOLA Power Supply SDN 20-24-200 230VAC In 24VDC Out 20Amp
Sola SDN 10-24-100 Power Supply Module 115/230VAC in 24VDC out Tested & Working
Sola SDN 20-24-100 20 Amp Power Supply
Sola SDN 4-24-100LP 24VDC Power Supply
Sola SDN 8-24-100 REDA 24VDC Power Supply 8 Amps
Sola SLS-24-012 Linear Power Supply, Heavy Duty,
SQAURE D SCHNEIDER ELECTRIC CABLE POWER 60IN LONG 1DROP P2 CONNECTOR 8030CC20
Square D 9007 HA1 Lever Arm
Square D 9007-AW16 LIMIT SWITCH 600VAC 1*MP AW +OPTIONS
Square D 9007CA11 Lever Arm
Square D 9007-TUB3 Limit Switch, Heavy Duty 9007TUB3
Square D 9007-TUB5 Heavy Duty Limit Switch Type 4, 13
Square D 9007TUB5 Heavy Duty Limit Switch-Universal Cam Operation
SQUARE D 9012-GAW4 PRESSURE SWITCH ()
Square D 9700 Type CF53C Flush Mount Limit Switch 9700-CF53C
SQUARE D G2-LA SERVICE FITTING HOUSING W/ 3/4IN BUSHED OPENING G2LA
Square D Limit Switch 9007-TUB5 9007TUB5
SQUARE D LJB690LO WIREWAY 6X6IN 90 DEG OUTSIDE TOP OPENING
Square D Motor Starter & Overlaod Block 86463 Size 0, Type SBO-2
Square D Scheider Electric 9065SDO5 Thermal Overload Relay
Square D Schneider 9001JP38LRR29 Red Pilot Light 120vac -
SQUARE D-SCHNEIDER ELECTRIC 8501GO44V02 RELAY MAGNETIC 10AMP 120VAC 4NC/4NO
STAHL SAFETY BARRIER 24V INTRINSPAK 89013327300000
STRONGARM OPERATOR INTERFACE SS 18.1IN INFARED TOUCHSCREEN 404-181R00
SUNRISE SUNSET XDSL WITH SSXDL-4 ATU-C
Swagelok 302-4C-K2-25 Spring Kit for 2C, 4C and 4CP Series Poppet Check Valve
Swagelok 302-8C-K2-25 Spring Kit for6C,8C,8CP Poppet Check Valve
Swagelok High Pressure Coupling Connectors 9/16" HP FEM 10078640 66000 PSI
Swagelok JBV650 Stainless Steel 1/2" Ball Valve
Swagelok SS-33VS4 Ball Valve 316 Stainless Steel Tube
Swagelok SS-45VCO8
Swagelok SS-8C4-1 Poppet Check Valve, Fixed Pressure, 1/2 in. FNPT
Swagelok SS-8-WVCO-6-810 O-Ring Face Seal Fitting 1/2" Female VCO x 1/2" Tube OD
Swagelok SS-IRS8 Stainless Steel 1/2" Bonnet Needle Valve
SYLVANIA RELAY DC ASSEMBLY 1PE16036L72
TELEMECANIQ XUKOAKSAM12 Photo Sensor PE. Con
Telemecanique LP1 D12004BD Contactor 24V
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