Rockwell Automation Publication 5000-UM005B-EN-P - November 2015 21
Analog I/O Module Operation in a Logix5000 Control System Chapter 1
5069-ARM Address Reserve Module
The 5069-ARM address reserve module reserves a node address in a 5069
Compact I/O system. The module remains installed until you insert another
5069 Compact I/O module into the same location.
For example, your application can require the use of a 5069-IB16 module in a
specific node location. The module is typically installed when you install the
5069 Compact I/O system. In this case, however, the required 5069-IB16
module is not available for insertion.
To install 5069 Compact I/O modules, you attach them to left-most device in the
system. The node addresses increment as each module is installed. To make sure
that the 5069-IB16 module is installed in the correct location later, you install a
5069-ARM address reserve module during initial system installation.
When the required 5069-IB16 module is available, you remove the 5069-ARM
address reserve module and replace it with the 5069-IB16 module. Thus, you
insert the module in the correct node address location.
Figure 3 shows a 5069 Compact I/O system that uses a 5069-ARM address
reserve module to reserve a node address.
Figure 3 - 5069 Compact I/O System with 5069-ARM Address Reserve Module
5069-ARM Address Reserve Module
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