With the new I/O hubs with IO-Link interface, plant and machine builders easily and economically integrate large numbers of binary I/O into the IO-Link communication channel: combining an 8 port/16 DI hub with Pepperl+Fuchs' Ethernet IO module with integrated IO-Link master enables signal transmission of up to 128 binary I/Os to higher level-control systems.
This slim solution from a single source reduces cabling complexity and minimizes wiring errors, as it requires only one connection for signal transmission and power supply. It also allows a mixture of IO-Link sensors and common binary sensors in one setup, freeing users from technological restrictions.
Using the IO-Link 1.1 and COM3 standards, process-specific device parameters are stored in the I/O hub. At the same time, IO-Link ensures that these settings are saved in the IO-Link master. If the parameters are changed at any time via the configuration tool, by the PLC or by operating elements connected to the I/O hub itself, they are stored both on the hub and on the master.
When replacing the I/O hub, the master automatically makes these process-specific device parameters available again to the new hub. This makes it quick and easy to replace devices during operation, since the user does not have to set any process-specific device parameters.
For flexible integration into existing process structures, the I/O hub with IO-Link also offers extensive configuration options. The logic level of each port can be configured individually. This allows the existing logic within a plant to be kept consistent and the I/O hub to be adapted to the established system environment. This offers users flexibility when designing process flows.
To ensure reliable data transmission to higher-level control systems, signal interference can be suppressed and the signal length can be adjusted accordingly. Sensor signals that occur in rapid succession are reliably processed by the control system and process sequences ensured.
With a robust, fully encapsulated metal housing and a wide temperature range of -25 °C to +70 °C, the IP67 rated I/O hub can also be used in demanding industrial environments. Yet the housing is still compact and features clearly visible LEDs that indicate operation, switching status, or possible errors.
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