One M12 Port = Endless Possibilities

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Paradigm shifts in automation are always occurring. The need for cost savings and higher diagnostics caused the shift from IP20 I/O to IP67 I/O.  Now, we are in the midst of a shift to reduce or eliminate enclosures in industrial applications by removing control and power from the cabinet.  With the reduction of IP20 I/O and enclosures, adding more I/O (discrete and analog) or specialty devices (RF identification, measurement devices, etc…) is now more difficult.  In the past it was relatively easy, but expensive, to add another “slice” of I/O to an existing IP20 solution.

In today’s applications, most OEMs are asked to build in a buffer of at least 20% additional discrete I/O points for possible changes or additions to the machine.  This means installing I/O modules with either no I/O attached, or having multiple modules with 2 to 4 unused ports.  This helps when changes occur in terms of discrete I/O, but gives no solution for analog channels, RF identification, measurement devices, etc.  It’s with these no discrete devices; I feel the next paradigm shift will occur.

One IO-Link M12 port can accept many varieties of industrial sensing technologies

I foresee a merger between a new technology and the standard buffering of unused ports on network modules in an application.  Of course, these unused ports can not be standard ports; they will need to have some intelligence to them.  IO-Link can provide the means to make this happen.  Through IO-Link enabled M12 ports, an I/O module attached to a standard industrial network, such as Profibus, ProfiNet, EtherNet/IP, CC-Link, AS-I, etc., you can attach more discrete I/O, analog channels, RF identification, measurement devices to a network without adding more network cordsets, enclosures, or expensive network specialty modules.  IO-Link allows point-to-point communication between an IO-Link enabled device and an IO-Link Master, which serves as a proxy between IO-Link and a standard industrial network.  The open communication protocol allows a multitude of devices to be wired to a M12 IO-Link port.  In short, one M12 port = endless possibilities, with the aid of IO-Link.

For more information on IO-Link, click here.

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2 Responses to One M12 Port = Endless Possibilities

  1. Pingback: Intelligent Interfaces and IO-Link Innovation « SensorTech

  2. Pingback: Valve Manifolds on Ethernet for Cheap! « SensorTech

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