DS200TCQAG1BEC GE

DS200SLCCG1ABB GE
DS200FSAAG2ABA GE
IS20OERGTH1A GE
IS200VTURH2B GE
IS200EDCFG1B GE
1S220UCSAH1A GE
IS220PTURH1A

分类: 标签:

描述

PLC有两种基本的工作模式,即运行(RUN)模式与停止(STOP)模式。在运行模式,PLC通过反复执行反映控制要求的用户程序来实现控制功能。为了使PLC的输出及时地响应随时可能变化的输入信号,用户程序不是只执行一次,而是不断地重复执行,直至PLC停机或切换到STOP工作模式。

NEW TDK TAS300 Load Port Power Supply

Lucent Avaya Definity TN2214 Digital Line 24P Card V4

New Inficon Ag Dual Manometer Valve AMAT 0190-23497

Lot of 2 Blackberry Curve 8310 AT&T Mobile Phones

Lot of 40 FUJI 400GB LTO Ultrium 2 Tape Cartridge

Spectralink SCA508 SCA 508 Link 150 M3 Controller RCC

Silicon Graphics, 030-1588-001, Onyx2 IR3 TM8-256; 256M

NEY ULTRASONICS PROSONIK 2 40 KHZ GENERATOR

New SVF Aero2 Actuator A2S-50-10-V433R

ACS Tech80 Four Axis Control System SB104SYS