Rockwell Automation Publication ICSTT-RM447M-EN-P - July 2019 21
The AADvance Safety Controller Chapter 2
and fault tolerant solutions. There is no change to the complexity of operations
or programming that the controller can handle if you add redundant capacity
to create a fault tolerant solution.
They can be mounted onto DIN rails in a cabinet or directly mounted onto a
wall in a control room. Forced air cooling or special environmental control
equipment is not necessary. However, important consideration must be given
to the choice of cabinet or when the controller is installed in a hazardous
environment.
Specific guidelines are given in this user documentation to help you choose an
enclosure that will make sure that the system operates to its full capability and
reliability and that it also complies with the ATEX and UL certification
requirements for use in hazardous environments.
The Ethernet and serial ports are configurable for a number of protocols in
both simplex and redundant configurations for connection to other
AADvance controllers or external third party equipment. Communications
internally between the processors and I/O modules uses a proprietary
communications protocol over a custom wired harness. The AADvance system
supports transport layer communication protocols such as TCP and UDP for
MODBUS, CIP, IXL, Telnet and SNTP services.
A secure network communications protocol (SNCP), developed by Rockwell
Automation for the AADvance system, permits distributed control and safety
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.
The AADvance controller is developed and built for IEC 61131 compliance
and includes support for all five programming languages. (Instruction List (IL)
and Sequential Function Chart (SFC) languages are not supported by
AADvance® Workbench 2.0). Program access is secured by a "Program Enable"
key that you can remove. Simulation software lets you prove a new application
before reprogramming and downloading, again maximizing system uptime.
Additional security functions are also included to help prevent unauthorized
access.
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