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Sensors

Sensor communications interface

www.digikey.com/maxim-industrial 85

A sensor communicates its sensed

information with analog or digital

techniques. Analog techniques are

based on voltage or current loops.

Digital information is communicated

with CAN, CompoNet®, IO-Link®,

RS-485, and other data interfaces.

Binary sensors only transmit single-bit

information. Typically, the presence

or absence of an object is detected

and communicated with a logic level.

Also, when an object like a piston in

a valve reaches a predefined critical

distance, the sensor detects and

communicates this to the program-

mable-logic-controller (PLC) system

through a binary interface.

Sensor interfaces have to be robust

against all forms of mishandling and

EMI, since the industrial environ-

ments are harsh.

Sensor communications interface

www.maxim-ic.com/sensor

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Creator Electronics MAX1301 Especificaciones Pagina 90