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IO-Link

IO-Link

IO-Link closes the gap in communication on the last steps to the process

Consistent automation is only possible with sensors and actuators. The smart connection of sensors and substations to the control level ensures precise and profitable production. The communication standard IO-Link is ideally suited to this purpose. Integrating all components is simplified by IO-Link in switchboards and IO-Link on the field level. They ensure maximal consistency and efficiency on the last steps to the process and thereby seamless communication.

Product-specific IO-Link advantages

  • Seamless integration of IO-Link-certified sensors and actuators into TIA
  • Standardized engineering from master to device – all data in one S7 project
  • PtP communication with IO-Link-certified devices by Siemens and from the field
  • Transparent, central diagnostics for all IO-Link devices
  • Master available in two protection classes (IP20/IP65)
  • Transparent depiction of all field device parameters
  • Dynamic changing of the parameters directly by the controller
  • Easy function mapping in STEP 7 through freely available function block
  • Firmware updates directly over the fieldbus

Engineering and visualization

What is IO-Link

  • IO‑Link is an open communication standard for sensors and actuators – defined by the IO-Link Consortium.
  •  IO‑Link is a smart concept for the uniform connection of actuators and sensors to the control level by means of a low-cost point-to-point connections.
  •  As an open interface, IO‑Link can be integrated into all standard fieldbus and automation systems.

The IO‑Link communication standard  enables central error diagnostics and localization down to actuator/sensor level, and facilitates both start up and maintenance by allowing parameter data to be dynamically changed directly from the application.

The increasing intelligence of field devices and their integration into automation as a whole now allows data to be accessed right down to the lowest field level. The result: greater plant availability and less engineering work.

Transparency in the process through IO‑Link

High system availability and data transparency are market requirements that must also be met by the connecting of innovative control technology to a control system. A systematic diagnostics concept and efficient handling of parameter data are required for this purpose in automation.

With the aid of the IO‑Link communication standard, a communication link is established between switchgear and controller, and this allows data to be exchanged efficiently. Based on a standard cable, it is therefore possible to integrate parameter, process and diagnostic data and measured values into the plant automation with ease. For example, the available diagnostic data allow potential errors to be detected quickly, thus avoiding lengthy plant down times.

As a consequence of their basic function, such as overload protection (SIRIUS 3RB24 solid-state overload relays for IO‑Link), many controls have measured values. The availability of these via IO‑Link now allows conclusions to be drawn at an early stage concerning wear and tear in the application.

At the same time the option of parameterizing via IO‑Link supports the device not just when parameters concerning operating time are changed, but also when the device is replaced. In the case of a spare part, for example, the parameters can be quickly transmitted to a new device via the communication system.

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