OPC - OLE (Object Linking and Embedding) for Process Control :: The Industrial Interoperability Standard
CAT5 Ethernet Cable Knowledge Base
most important key terminologies you need to know if you work in Automation, Controls, Brilliant Manufacturing, Operational & Industrial Intelligence or IoT etc.
; regardless of any vendor(s) you are dealing (Allen Bradley, GE Fanuc, Siemens, Modicon, Mitsubishi, Omron, Automation Direct etc).
Standard CAT5 cable is inexpensive unshielded twisted pair (UTP) data grade cable.
For Industrial Control, you have to get the shielded twisted pair (STP) cable.
It is very similar to ubiquitous telephone cable but the pairs are more tightly twisted.
Fast Ethernet carried over CAT5 cable is known as 100BASE-TX.
A CAT5 cable usually contains four twisted data pairs of which two are actually used by Ethernet; one pair for transmit and one for receive.
Newer "class 6 or 7" cables such as Belden MediaTwist 1872A have even better performance than CAT5 cable.
These newer cable types have less loss and crosstalk within the cable and are more immune to interference from outside sources.
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