MDD093C-N-040

维修PLC先后顺序是怎样的？

先动口再动手

1）维修PLC时，不要立即直接动手，而是先询问故障发生前后的情况、故障现象。

2）如果对生疏的PLC维修，应先了解其工作原理。

先清洁再维修

维修PLC时，可以打开机子，首先进行清洁PLC。

先外后内

维修PLC时，先检查外部现象与原因，如果外部正常，则然后检查PLC内部。

先无电判断后通电判断

首先在没有通电的情况下，先判断熔丝是否损坏、是否不通电就可以判断出故障点。如果不能够判断出来，则再通电检查PLC。

   联系人：林工
   电话：0591-22983857 ；手机：17705012279
   e-mail：zkdzwg@163.com
   QQ：879520885

公司主营产品有：AB,ABB,GE,西门子,力士乐，施耐德,福克斯，等工业自动化控制配件及各种停产备件。诚信经营，质量可靠，请放心购买，我们将竭诚为您服务！

Totoku Astro-Med GM-184A Chang Video Board

Toyozumi Dengenkiki Toyoden Transformer UEB0060-001007-04S

TPB-SA V0 PCB FAB 45050563 Rev 3.3

TP-Link TL-PS110P Fast Ethernet Print Server

TP-LINK TL-WN951N Wireless N300 Advanced PCI Adapter, 300Mbps bgn

Transforming Technologies BFN 803 Ionizing Blower 803-BFN

Transition Networks LAN Master TX8 100BASE-TX 8-Port Hub **

Travla SSA-1201A-1 Active PFC AC/DC Power Adapter 19V Rev.:A2

Tree LCT-3 LB Large Counting Scale - 3.3lb x 0.0001lb

Tree LCT-3 LB Large Counting Scale - 3.3lb x 0.0001lb

TRENDnet USB/PS/ 2 KVM Switch With OSD TK-804R 8-Port

triboscope nanomechanical test instrument

Trident KY2-JAX-TVGA94PCI PCI Video Card

Trident VL46C-V2 Video Card KY2-JAX-TVGA94VL

Tripod Desk Lamp Table Lamp Serge Mouille Style

Tripp Lite B130-101 VGA Over Cat5 Extender / Remote & Local Unit

Tripp Lite IP KVM Switch BO72-O16-1-IP 16 Port

Tripp Lite PS2408 8-Outlet 24" Power Strip 15A

Tripp Lite SmartPro SMART500RT1U SM6284

TTI T9000 Power Supply for Tribocop Spinstand

Turbo-Cool 400 ATX PC Power & Cooling Power Supply

TURBOMOLECULAR PUMP LEYBOLD TURBOVAC 150

Turin Carrier Access Adit 3504-4 2 T1-PRI Trunk Interface

TYAN B7066G24V4H 1U Rackmount Server - Chassis Dual LGA 2011 Intel C602 DDR3

Tyan Computer S5372 LGA 771 Socket J Intel Motherboard

TYAN M7094-2308-8I (M7094-2308-8I) SAS CONTROLLER

TYAN M7094-6G-8I Controller

TYAN S7050 S7050BGM2NR-B-SYN Server Motherboard

TYAN S7063 S7063WGM2NR-B-SYN Server Motherboard

Tyan S7066GM3NR Dual LGA2011 SKTs Intel C602 (3) GbE IKVM Sata Raid Eatx RoHs

TYAN S7067 S7067GM2NR-1T-B-SYN Server Motherboard

Tyan S7094GMR-LE-SYN Server Motherboard

Tyan S7094GMR-LE-SYN Server Motherboard

TYAN S8010WGP2N ATX Server Motherboard

Tyco Twin Cessna Relay KHAU-17D11-24

TYLAN 2900 SERIES FC-2900M 100SCCM Gas: C4F8

Tylan 2900 SERIES FC-2950MEP5 5SLPM Gas: O2

UDT Instruments S370 Optomer / Optical Power Meter - No Power Adapter

Ultrabase ThinkPad X200 43R8781

UMEC UP0601C-12 POWER SUPPLY

Uniblitz Model D122 Shutter Driver Control Unit

Uniphase Helium-Neon HeNe Laser 1101P

Uniphase Laser Power Supply 1205-1 115V 0.12 AMP

Unipower PCH2932-S-DCFOK 001-3951-2350 600W

Unipower PCH99933-R-372 10-4.5A 600W Power Supply P/N 706-1535-0010

UNIT INSTRUMENTS MASS FLOW CONTROLLER MODEL UFC-1100A RANGE 20 SLM N2

Unit Instruments UFM-8100 Mass Flow Controller 2SLPM N2

Unit Instruments UPC-1300 Pressure Controller LAM 500PSI Gas: He

Unit UFC-1000 500PSI 5.0SLM Mass Flow Control Controller Gas: NH3

Unit UFC-1100 5SLPM Mass Flow Controller Gas: NH3

Unit UFC-1100A 500PSI 10SLPM Mass Flow Control Controller Gas: N2

United Detector Technology 301-DIV SINGLE AXIS POSITION MONITOR

United Electronic Industries DNA-PPC8-1G PowerDNA Cube

United Electronics Industries DNA-STP-37 Circuit board PD-STP-3716