PLC控制系统故障率情况是怎样的？
1）CPU与存储器故障率占5%。
2）I/O模块故障率占15%。
3）传感器及开关故障率占45%。
4）执行器故障率占30%。
5）接线等其他方面故障率占5%。
02
PLC的故障多发点有哪些？
1）继电器、接触器。
2）阀门、闸板。
3）开关、极限位置、安全保护、现场操作的一些元件或设备。
4）PLC系统中的子设备。
5）传感器、仪表。
6）电源、地线、信号线的噪声。
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ABB TNL22E Contactor Relay 1SBH143061R6822
ABB TNL40E Contactor Relay 1SBH143061R6840
ABB TNL40E Contactor Relay 1SBH143061R6840
Accu-Sort AdaptaScan Power Supply Cat No.2755-PW46 SerA 120V 18VDC 60Hz 29W 1.2A
ACE CONTROLS MC225-H2-BS SHOCK ABSORBER - -
ACE CONTROLS MC75-2 SHOCK ABSORBER * NO BOX*
Acme (M# T-2-53014-S ) Transformer 5KVA 240X480VAC Primary 120/240VAC Secondary
ACME ELECTRIC 150W POWER SUPPLY SWS 152Q-12
ACME INDUSTRIAL CONTROL TRANSFORMER 75VA TA-2-81201
Acopian A5MT510 10VDC Power Supply
Acopian B10G100 Regulated Power Supply 230V 1/4 A B10G100-230
Acopian B5G400 Regulated Power Supply
Acopian TD15-40 OP Dual Amp Power Supply
Acopian TD15-40 OP Dual Amp Power Supply
Action Pak MDL 6380-000 LR42272 E99775 8-pin connection
Action Pak MDL 6380-000 LR42272 E99775 8-pin connection
ADVANCE 71A6071-001 400W M59 Metal Halide Lamp Ballast Kit 120/240/277V 71A6091
ADVANCE BALLAST REL-1S40-SC REL1S40SC LOT OF 2
Advance RL-140-TP Rapid Start Ballast 120V 60Hz
ADVANCED MICRO CONTROLS CONTROLLER 2732 AMCI
ADVANCED MICRO CONTROLS CONTROLLER 2732 AMCI
ADVANCED MICRO CONTROLS CONTROLLER 2732-05 AMCI
Agastat 2412 AD Timing Relay 120V 2.5 50 Sec.
Agastat 2412AH Timing Relay
AGASTAT E7012ac TIMING RELAY 1.5-15 SEC *
Air filter 3 ply poly panel 25X25 Air Handler 6B784 un lot of 12
AIR KING 4TM65 9530
AIRPAX 20 AMP BULLET BREAKER LMLB1-1RLS4R-28977-20-V
Airpax IMLK1-1RLS5-29789-20 Bullet Circuit Breaker 80V, 20AMP (Lot of 6)
ALCO EK-03 2 EXTRA KLEAN LIQUID LINE FILTER-DRIER EK032 ( IN BOX)
ALCO EK-03 2 EXTRA KLEAN LIQUID LINE FILTER-DRIER EK032 ( IN BOX)
Alemite Accumatic 380993-5
Alemite Accumatic 380993-5
ALLEN -BRADLEY - Catalog #700-HA32A1 Series C - Control Relay - 120VAC -
Allen Bradley - PCB - 8000-IOBB
Allen Bradley #1336-BO75-EOH-F2-L3-S1/ #1336-MOD-L3 Ser. A
Allen Bradley 1 Amp Circuit Breaker 1492-CB1 G010
Allen Bradley 10 Amp Circuit Breaker 1492-CB2 G100
ALLEN BRADLEY 100-A09ND3 SER B RELAY LOT OF 5
Allen Bradley 100-C09Z*01 Series A 600 volt 25 amp Contactor (Lot of 5)
Allen Bradley 100-F Series B, 600 Volt, 10 Amp Auxiliary Contact
Allen Bradley 100-FSC48 Surge Suppressor
Allen Bradley 100-M05NZ*3, 100M05NZ, Contactor 500V 20A
Allen bradley 104-a09nd3 ser b reversing starter
Allen Bradley 10A 4-Pole AC Relay 700-P400A1 Series B 120VAC
ALLEN BRADLEY 1200 2711-KC1 PANELVIEW SER F REV F FRN 5.13
Allen Bradley 120V Size 1 Starter 709-BOD103 HEATERS 17
ALLEN BRADLEY 133237 Rev 13 DRIVE BASE POWER SUPPLY BOARD,
ALLEN BRADLEY 133237 Rev 13 DRIVE BASE POWER SUPPLY BOARD,
ALLEN BRADLEY 1333-AAB SER D AC DRIVE
Allen Bradley 1333-BAA VFD AC Speed Drive 1333BAA
Allen Bradley 1333-BAA VFD AC Speed Drive 1333BAA
ALLEN BRADLEY 1336E-BX040-AN-EN 40HP 0-460V-AC VARIABLE TORQUE DRIVE D417673
ALLEN BRADLEY 1336S-B020-AA-EN-GM1 Variable Frequency Drive 20HP 460 V
ALLEN BRADLEY 135794 REV 05 SPARE PART KIT 135893 ASSEMBLY BOARD
ALLEN BRADLEY 135893 SCR BOARD, in Bag
ALLEN BRADLEY 135893 SCR BOARD, in Bag
ALLEN BRADLEY 1370AR-C0B72-E; DB08372-006A2 1370ARCOB72E
ALLEN BRADLEY 1389-AA09 SER. A SERVO AMPLIFIER
ALLEN BRADLEY 1394AM04 B (FOR PARTS)
ALLEN BRADLEY 1394AM04 B (FOR PARTS)
Allen Bradley 1394-DIM drive interface module PARTS ONLY
Allen Bradley 140M-C2E-B16 Ser B, Standard Magnetic Trip w/140M-C-AFA10
Allen Bradley 140M-C2E-C10 Series B Motor Protection Circuit-Breaker, 6.3-10A
ALLEN BRADLEY 140M-I8P-C30S-CXM CIRCUIT BREAKER 30 AMP 600 VAC 3 POLE W/ AUX
ALLEN BRADLEY 140-MN-0160 STARTER MOTOR PROTECTOR
ALLEN BRADLEY 140-MN-0250 MANUAL MOTOR STARTER 1.6-2.5AMP OVERLOAD W/ N.O. AUX
ALLEN BRADLEY 140-MN-0400 STARTER MOTOR PROTECTOR
Allen Bradley 140U-H2C3-C60 A 60A Circuit Breaker
Allen Bradley 140U-H2C3-C60 A 60A Circuit Breaker
Allen Bradley 140U-H2C3-C60 A 60A Circuit Breaker
ALLEN BRADLEY 140U-H6C3-D11 A MOLDED CASE CIRCUIT BREAKER 3P 110Amp
ALLEN BRADLEY 141A-CUH125T (3) L1 L3 CONNECTOR BLOCK
Allen Bradley 141A-CUH125T Busbar Module Ser B
Allen Bradley 141A-VN3120 B
ALLEN BRADLEY 1485P-P2T5-T5 Ser B DEVICEBOX DEVICENET
ALLEN BRADLEY 1492-CB1 MIXED , G030 BREAKER
ALLEN BRADLEY 1492-H7 RQANS2 1492H7 LOT OF 11
Allen Bradley 1492-PD3183 Terminal Block T47069
Allen Bradley 1492-PD3183 Terminal Block T47069
Allen Bradley 1492-PD3263 Series B Fuse Holder Block 600V 350 Amps -
Allen Bradley 1492-PD3263 Series B Fuse Holder Block 600V 350 Amps -
ALLEN BRADLEY 1492-SP2D100
Allen Bradley 1494F-NF30 Fusible Disconnect Switch 30 Amp
ALLEN BRADLEY 1494G-BF3N SERIES1, REV C D DISCONNECT SWITCH
ALLEN BRADLEY 1494V FSR611 TRAILER FUSE BLOCK