Rockwell Automation AADvance Controller System Build - Manual (Page 12)

1-2 Document: 553632
(ICSTT-RM448_EN_P) Issue: 08:
System Build Manual (AADvance Controller)
All of the configurations are readily achieved by combining modules and assemblies
without using special cables or interface units. System architectures are user
configurable and can be changed without major system modifications. Processor and
I/O redundancy is configurable so you can choose between fail safe and fault tolerant
solutions. This scalability is user configurable, therefore, there is no change to the
complexity of operations or programming if you choose to add redundant capacity to
create a fault tolerant solution.
A controller is built from a range of compact plug-in modules that are straightforward
to assemble into a system. They can be mounted onto DIN rails in a cabinet (see
photograph) or directly mounted onto a wall in a control room. They do not require
forced air cooling or special environmental control equipment. However, certain
consideration to the cabinet type must be applied when used in hazardous
environments.
A secure network communications protocol, developed by Rockwell Automation for
the AADvance system, permits distributed control using new or existing network
infrastructure while ensuring the security and integrity of the data. Individual sensors
and actuators can connect to a local controller, minimizing the lengths of dedicated
field cabling. There is no need for a large central equipment room; rather, the
complete distributed system can be administered from one or more PC workstations
placed at convenient locations.
Single input modules are designed to meet SIL3 and in the most basic simplex
configuration they offer a fail-safe solution. The AADvance system has comprehensive
built-in diagnostics, while maintenance activities are straight forward operations which
maximize system availability.