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Four-bar linkage. In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed- chain movable linkage. It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-bar ...
IO-Link. IO-Link is a short distance, bi-directional, digital, point-to-point, wired (or wireless ), industrial communications networking standard ( IEC 61131 -9) used for connecting digital sensors and actuators to either a type of industrial fieldbus or a type of industrial Ethernet. [1] Its objective is to provide a technological platform ...
Variable stroke engine (Autocar Handbook, Ninth edition) A mechanical linkage is an assembly of systems connected to manage forces and movement. The movement of a body, or link, is studied using geometry so the link is considered to be rigid. [1] The connections between links are modeled as providing ideal movement, pure rotation or sliding for ...
For the heavy metal supergroup, see Category 7 (band). International standard ISO/IEC 11801 Information technology — Generic cabling for customer premises specifies general-purpose telecommunication cabling systems ( structured cabling) that are suitable for a wide range of applications (analog and ISDN telephony, various data communication ...
To watch a class that is on replay, you do not need to do anything. The class will automatically play. To watch a class that is live, click Enter Class. Click Watch Live or Restart Class if the class has already started. To watch an upcoming class, stay on the page until the video begins. Click Watch Previous Class to view the previous class.
Ethernet. Ethernet ( / ˈiːθərnɛt / EE-thər-net) is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). [1] It was commercially introduced in 1980 and first standardized in 1983 as IEEE 802.3.
Online Classes. Science & Tech. Shopping. Sports. Weather. Why you can trust us. ... Avoid clicking links in emails that say they’ll connect to your bank — instead, type your bank’s URL in a ...
A common metal short-link chain. Roller chains. A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links.