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: 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 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.
- Enables effortless connection of complex sensors and actuators
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- Drives
- Frequency inverters
- Valves
- Sensors with integrated logic
- IO-Link sensors
- Extended parametrization
- Highly economical even with high channel density
- Predictive Maintenance (extended diagnostics)
- Suitable for fast control tasks
- Optimal connection and implementation of Industry 4.0 and IoT
- Improved control speed and accuracy
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- Axis control
- Robotics
- Increased positioning accuracy
- Increased machine speed
- Fast device parameterization
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- Short set-up times
- Increased productivity
- Cost-optimized integration of IO-Link devices
- Easy integration of intelligent sensors and actuators
- 96 IO-Link masters possible per network
- With ASi-5 IO-Link devices become networkable
- Simplified installation
- Significantly reduced wiring effort
- ASi-5 brings IO-Link into the PLC
- Integration of intelligent, safe devices
- Straightforward connection
- Reduced wiring effort
- Simplified risk evaluation
- Safe and non-safe signals on one network
- Easy integration of safe inputs and outputs
- Reduced startup costs for safe inputs and outputs
- Significantly increased number of safety devices per network
- Increased availability
- Diminished maintenance costs
- Reduced machine downtime
- Decreased maintenance times
- Exact and extensive diagnostics data
- Optimized spare parts management
- Reduced implementation cost through improved master/slave ratio
- Larger networks
- Significantly increased number of end-devices
- One Ethernet address for 1,536 binary inputs and 1,536 binary outputs
- ASi Standard and ASi-5 can interact on the same network
- Existing products can be integrated
- Inventory protection and investment security
- Availability of a large range of products and existing infrastructure
- Established strengths are retained
- Manufacturer-independent interoperability
- Robust and solid communications
- Easy extension of existing systems
- Piercing technolog
- 2.5 mm2 profile cable with increased current limit
- Topology-free (tree, ring, star, mesh)
- Energy and data on one cable

- Convenient addressing and parameterization via mobile devices
- Automatic recognition of connected participants
- Clear presentation of all participants
- Addressing of individual or all participants possible
- System-wide diagnosis as well as of individual participants
ASi-Piercing-Technology
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.