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What are IO-Link sensors?
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.
What is IO-Link and how does it work?
IO-Link is a point-to-point connection (i.e. not a new field bus) between sensor/actuator and a field bus master such as a PLC. The supply of the field device (pin 1 and pin 3) and of the signal transmission (pin 4) is using a 3-conductor connection line, which is typical and standardised at the field level.
What is IO-Link protocol?
IO-Link is a point-to-point network communications standard and protocol that is an IEC standard (IEC 61131-9) for sensors and actuators. It has many advantages over hardwired I/O. IO-Link is thus not a fieldbus, but rather an evolution of the sensor/actuator connection to controllers.
Are IO links Safe?
Safety over IO-Link combines automation and safety and represents efficient safety concepts in one system. The safety components are connected to it using M12 standard cable. The safety profisafe signals are then tunneled to the controller through an IO-Link master.
Is IO-Link a fieldbus?
IO-Link is fieldbus independent and can be integrated into all fieldbus systems worldwide. IO-Link relies on standards such as M12, M8 or M5 connectors and three-wire cables. IO-Link is an international standard according to IEC 61131-9.
What is an IO-Link used for?
IO-Link is a powerful standard, an increasingly deployed point-to-point serial communication protocol used to communicate with sensors and/or actuators. Extending the globally recognized PLC standard IEC 61131, it allows three types of data to be exchanged – Process data, service data, and events.
What does an IO-Link master do?
The IO-Link master for control cabinet installation features an integrated web server for configuration and diagnosis. It transmits machine data, process parameters and diagnostic data via Profinet or Ethernet/IP to the controller.
How are sensors and actuators connected in IO-Link?
Sensors and actuators are usually connected via Fieldbus connections, allowing them to be in remote locations. With IO-Link, the field devices, such as actuators or sensors, connect to a ‘Master’ device that communicates to a controller, usually a PLC, or Programmable Logic Controller.
What do you need to know about IO Link?
IO-Link Technology is a worldwide open-standard protocol that integrates sensors and other field devices into our Connected Enterprise by connecting the IO-Link enabled device into an IO-Link master module. You can deliver data from smart devices directly into a control system in a very efficient manner.
How is a field device connected to an IO Link?
With IO-Link, the field devices, such as actuators or sensors, connect to a ‘Master’ device that communicates to a controller, usually a PLC, or Programmable Logic Controller. The connection between the IO-Link Master and the field device is established via an unscreened 3 wire cable, no more than 20 meters long.
Where is the IO-Link master located in the automation system?
The IO-Link master establishes the connection between the IO-Link devices and the automation system. As a component of an I/O system, the IO-Link master is installed either in the control cabinet or as remote I/O directly in the field. An IO-Link master can have several ports or channels.