Innovations concentrated.
On the essentials.

What makes an application perfect? Successful communication. ASi-5 transmits energy and data on the same cable, the only fieldbus system that does not need plug connections to link energy and data. The advantage: common cable harnesses in parallel wiring are replaced by the reverse polarity protected ASi cable, rendering the system electromagnetically compatible (EMC) without additional cost-intensive shielding.


ASi-5 also allows the uncomplicated and cost-efficient integration of IO-Link or HART: The host systems simply provide the interfaces, creating multi-point connections. Parameter and diagnostics data can be parallelly transmitted independently from process data – in any amount necessary. This makes ASi-5 the ideal shuttle connecting IO-Link or HART devices to upper level Ethernet fieldbus systems.


With ASi-5 even the integration of safety is highly efficient: Safety-critical and conventional applications run on one infrastructure, and can be mixed and matched without restrictions, with ASi-5 enabling operation of 96 x 16 safe inputs and outputs.


Data width





Connected Devices



Compared to parallelly wiring every single sensor and actuator, ASi piercing technology makes connecting, replacing or moving of components seem like child’s play: easy, safe, fast, and inexpensive. Systems can be easily and quickly extended; hot plug-in is possible anytime and anywhere. Design and documentation can be done almost effortlessly. New components can be integrated into the system without complex construction calculations.



ASi-5 is topology-free, additionally simplifying the design of the system and guaranteeing installation flexibility – without cost-intensive switches or active distribution.

Feasible for the future, ASi-5 technology and protocol standard are fully downward compatible. AS-Interface devices and components used in the past can be integrated into ASi-5. Vice versa, the existing AS-Interface applications can continue to be used without restrictions, with the option of integrating new ASi-5 components.


In short: Simply said, ASi-5 sets new standards.