4 IO-Link Interface
IO-Link is a point-to-point communication link between a master device and sensor. Use IO-Link to parameterize sensors
and transmit process data automatically.
For the latest IO-Link protocol and specifications, see
.
Each IO-Link device has an IODD (IO Device Description) file that contains information about the manufacturer, article
number, functionality etc. This information can be easily read and processed by the user. Each device can be
unambiguously identified via the IODD as well as via an internal device ID. Download the DF-G3 Long Range Expert with IO
Link's IO-Link IODD package (p/n 18491) from Banner Engineering's website at
Banner has also developed Add On Instruction (AOI) files to simplify ease-of-use between the DF-G3 Long Range Expert
with IO Link, multiple third-party vendors' IO-Link masters, and the Logix Designer software package for Rockwell
Automation PLCs. Three types of AOI files for Rockwell Allen-Bradley PLCs are listed below. These files and more
.
Process Data AOIs—These files can be used alone, without the need for any other IO
‐
Link AOIs. The job of a Process Data
AOI is to intelligently parse out the Process Data word(s) in separate pieces of information. All that is required to make use
of this AOI is an EtherNet/IP connection to the IO
‐
Link Master and knowledge of where the Process Data registers are
located for each port.
Parameter Data AOIs—These files require the use of an associated IO
‐
Link Master AOI. The job of a Parameter Data AOI,
when working in conjunction with the IO
‐
Link Master AOI, is to provide quasi
‐
realtime read/write access to all IO
‐
Link
parameter data in the sensor. Each Parameter Data AOI is specific to a given sensor or device.
IO
‐
Link Master AOIs—These files require the use of one or more associated Parameter Data AOIs. The job of an IO
‐
Link
Master AOI is to translate the desired IO
‐
Link read/write requests, made by the Parameter Data AOI, into the format a
specific IO
‐
Link Master requires. Each IO
‐
Link Master AOI is customized for a given brand of IO
‐
Link Master.
Add and configure the relevant Banner IO
‐
Link Master AOI in your ladder logic program first; then add and configure Banner
IO
‐
Link Device AOIs as desired, linking them to the Master AOI as shown in the relevant AOI documentation.
DF-G3 Long Range Expert Dual Display Fiber Amplifier with Dual Discrete Outputs and IO Link
24
www.bannerengineering.com - Tel: + 1 888 373 6767