92 Rockwell Automation Publication ICSTT-RM447M-EN-P - July 2019
Chapter 5 AADvance Scalability
controller hardware configuration in the AADvance Workbench and load the
changed application.
On-line updates I/O
Configuration Changes
The AADvance controller modular design makes it easy to create and change
the I/O configuration. The on-line update facility enables you to make changes
to the I/O configuration after the system is commissioned.
An on-line update can be used for the following changes.
• Expand a system and add new I/O modules, base units and termination
assemblies.
• Change the module type in a simplex or group arrangement.
• Expand a simplex or group arrangement.
• Downgrade a group arrangement.
• Move a module to a different slot.
• Change an application variable.
You only have to plug an additional I/O base unit into the side socket on an
installed I/O base unit. The command busses on the I/O base units do not
need different terminations on the open ends of transmission lines, and the
data response busses and power sources are supplied across all I/O base units.
Termination assemblies are pushed into the I/O base unit for the additional I/
O modules. To put the new modules on-line and make the changes to the
system fully operational, the hardware configuration in the AADvance
Workbench software must be updated by an on-line update.
When there is not sufficient space for extra I/O base units on a row you can use
the Expansion Cable to connect a new row of I/O base units and modules to
further expand the I/O system
Bus Connectors and
Expansion Cable
The T9100 processor base unit command and response busses and system
power for I/O modules are output by the two connectors on each side of the
base unit:
• The right-hand connector (specified I/O bus 1 in the project tree
configuration) mates with a connector on the T9300 I/O base unit. I/O
bus 1 supports a maximum of eight I/O base units and 24 I/O modules.
IMPORTANT For Release 1.3 you can change the I/O module configuration with an on-line
update. However, if you are using an earlier product release the I/O
configuration cannot be changed with an on-line update.
IMPORTANT An on-line update could affect the operation of the controller such that the
application is stopped or the I/O data flow is interrupted. The AADvance
Safety Manual outlines the precautions you need to follow when doing on-
line updates on a Safety System.
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