INDUSTRY UPDATE The upward growth trajectory of IO-Link continues unabated
compatible interface allows the integrated networking of sensors and actuators, which reduces the costs associated with installation, commissioning, and plant maintenance. IO-Link makes it possible to collect and evaluate not only process data, but also other information. Pepperl+Fuchs offers a broad portfolio of IO-Link devices, ranging from Ethernet IO modules and intelligent sensors through to RFID read/write devices.
S
ome of the many benefits offered by the globally established communication standard IO-Link include system and fieldbus independence. The universal and
The increasing complexity of plants and systems has led to ever-increasing demands
on sensors and actuators in terms of functionality and parameterization. The IO-Link command interface was created to integrate such intelligent sensors simply, consistently, and with compatibility across all manufacturers. In 2013, the IO-Link was the first IO technology to be standardized worldwide in accordance with IEC 61131-9.
The simplicity and clear benefits of IO-Link mean that its success story has continued
ever since. With over 5.3 million devices in 2016, growth stood at a staggering 47 %. As well as the number of devices, the number of companies joining the IO-Link community is also increasing. IO-Link is just as widespread in America and Asia as it is in Europe.
Point-to-point communication is implemented using simple unshielded cables in familiar 3-wire connections between sensors and actuators, which reduces installation costs.
IO-Link not only reduces the effort and cost involved in commissioning, but also offers benefits at a later stage during operation within the plant. As well as process and diagnostic data, status information and parameter data can be exchanged via IO-Link. For example, automatic parameterization of the IO-Link devices can be carried out via the PLC, which among other things, simplifies the exchange of data for service purposes and minimizes downtimes. Comprehensive diagnostic options down to field level, including remote functionalities, ensure that operation is cost-effective and low-maintenance, which boosts overall equipment effectiveness (OEE). The standardized bi-directional connection provides transparent information about plant status and allows the parameter values of the connected IO-Link devices to be changed quickly during operation.
Pepperl+Fuchs 0161 633 6431
www.pepperl-fuchs.com The New Optical Sensors for Longer Operating Distances W
ith the R200 and R201 designs, the forward-thinking product design of photoelectric sensors from Pepperl+Fuchs enables applications with longer operating distances.
Just like the compact R100, R101, and R103 series, both new products consistently offer all photoelectric functional principles in a design that is now larger and suitable for specific mounting situations. Usability is intuitive and identical across all series—and the standardized IO-Link connection via the latest Smart Sensor Profiles also enables convenient and reliable integration of the sensors.
With the R100, R101, and R103 series, as well as the new R200 and R201 sensors, choosing the relevant sensor is easier and users also benefit from maximum flexibility in every application and mounting situation. In terms of their technical features, the new series also include robust DuraBeam laser technology and high-precision Multi Pixel Technology (MPT) for distance measurement. Standardized usability across all series and functional principles plus the IO-Link interface facilitate parameterization of the sensors during commissioning and when there is a change to the functional principle or to another series.
Identical Functional Principles The new R200 and R201 series offer all photoelectric functional principles: thru-beam sensors, retroreflective sensors with a polarization filter or for clear object recognition, energetic diffuse mode sensors, sensors with background suppression and foreground suppression, measuring light barriers with two switch points, and distance sensors.
Perfect Usability All series have an intuitive and identical look and feel during parameterization. Quick and easy sensor adjustment is guaranteed by a multiturn potentiometer and a push button, which function as a combined operating element with three LEDs for visualizing the configuration, status, and diagnostics. Across all series the user benefits from standardized usability: The look and feel when parameterizing a thru-beam sensor, a retroreflective sensor, or a diffuse mode sensor for the R100, R101 or R103 series is the same as for the R200 and R201 designs. This also applies to measuring devices with multiple switch points or distance sensors.
Pepperl+Fuchs 0161 633 6431
www.pepperl-fuchs.com
automationmagazine.co.uk
Automation | October 2018 29
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