ABB Advant® Master S100 I/O System

Jul 31, 2025

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Advant® Master S100 I/O system:

S100 I/O is the central process interface for Advant Controller 400 series process controllers. Thanks to built-in cable marshaling facilities and parallel communication with the host controller, it is the right choice for centralized I/O systems and high-speed applications.

The range of process I/O modules is complete, consisting of general-purpose digital and analog inputs and outputs and special interfaces for special tasks. These specials include pulse counting, frequency measuring, positioning, motor speed control, and communication with other controllers. All I/O modules provide simple interfacing, accurate yet fast control, and easy integration of individual loops into a comprehensive plant-wide control and supervision system.

The interface modules connect to the process through screw terminals on connection units normally installed inside, at the back of the cabinet. This solution keeps noise and destructive voltage spikes away from the central electronics and provides a neat process interface that is easy to maintain.

 

On-board processing capabilitiesS100 IO system

The process I/O modules are "intelligent" in the sense that module-related signal and data processing is performed on board as opposed to centrally, by the CPU of the host controller. Time tagging of events, filtering, and gaining control are some examples of board-level tasks. This functional distribution improves real-time performance and reliability of the system as a whole and maintains processing capacity when the system is expanded.

 

Comprehensive self-diagnostics

Comprehensive self-diagnostics continuously monitor the modules and report any errors through LEDs on the module fronts and through alarm messages and indications to process operator stations.

Malfunctioning inputs can be disabled and simulated by manual entry, while failing outputs are deactivated or driven to a predetermined safe state automatically. All I/O modules can be replaced while the system is in service. Some modules can even be arranged, transparently, into dually redundant configurations for enhanced availability.

 

All modules conform to the highest standards of electromagnetic noise immunity and satisfy the requirements of the EU directives 2014/30/EU and 2014/35/EU. For the above reasons, S100 I/O is likely to be the best help you can get for putting your control system in touch with your field devices.