Rockwell Automation Publication ICSTT-RM447M-EN-P - July 2019
91
AADvance Scalability
Chapter 5
Figure 25 - Dual I/O Modules
Triple Modular Redundant Channel Capacity
When you need input modules arranged in triple modular redundant
formations, each group of three modules will share a single triple termination
assembly and occupies all of an I/O base unit. A single controller supports 16
groups of three modules, so a hypothetical controller using 16-channel input
modules and needing no output channels will have a capacity of 16 x 16 = 256
input channels.
A solution using 8-channel modules and needing dual output modules as well
as triplicated input modules will, with a ratio of 2:1 of inputs to outputs, supply
96 input channels and 48 output channels. These capacities are derived like
this:
Input Channels
• 12 groups of three 8-channel input modules have 12 base units and yield
12 x 8 = 96 input channels.
Output Channels
• 6 pairs of output modules have the remaining 4 base units and yield 6 x 8
= 48 output channels.
Adding I/O Channel Capacity
You can identify a new controller to have the correct quantity of I/O channels
that you need and also configure spare I/O channels that you anticipate you
could need in the future. Having done this, it is straightforward to add more
T9300 I/O base units and modules when you expand the controller.
However, if you haven't configured spare slots for new hardware you can still
expand your system. You can install the new hardware and change the
Содержание Allen-Bradley AADvance T9110
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Страница 10: ...10 Rockwell Automation Publication ICSTT RM447M EN P July 2019 Preface ...
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Страница 18: ...18 Rockwell Automation Publication ICSTT RM447M EN P July 2019 Chapter 1 The AADvance System ...
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