OPC classic introduction

Overview of OPC Communication

OPC Communication Introduction In recent years, the OPC Foundation has defined a number of software interfaces to standardize the information

OPC-OLE-for-Process-Control

What is OPC ?

OPC : OLE (object linking and embedding) for Process Control   OPC  is a software interface standard that allows Windows programs to

Fieldbus Segment

Basics of Foundation Fieldbus

How Fieldbus Works In analog controls systems, instruments produce a 4-20mA output signal that travels all the way from the remote

OTDR testing

OTDR Testing

An Optical Time-Domain Reflectometer or OTDR is a sophisticated test instrument used to probe the characteristics of long optical fibers.