Rockwell Automation 1715-OF8I Redundant I/O System User Manual - Manual (Page 64)

64 Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Chapter 2 Installation Instructions
Install the Adapter Base Unit The adapter base unit supports a pair of adapter modules. The adapter base unit
has connections for two power feeds, four Ethernet ports, and two adapter
modules on the front of the unit, and a single I/O base connector on the right-
hand side of the unit. The connections for the adapter modules are commonly
referred to as adapter module slots.
To mount the 1715-A2A adapter base unit, follow these steps.
1. Place the 1715-A2A adapter base unit onto the DIN rails and position
them toward the left, leaving space for the I/O base units to the right.
2. Secure the adapter base unit onto the DIN rails by sliding the retaining
lever (below the base unit) to the left, as far as it goes, until it latches in the
locked position.
Install the I/O Base Unit You can install up to three I/O modules on an I/O base unit. The I/O base unit
has an incoming I/O base connector on the left-hand side of the unit, an
outgoing I/O base connector on the right-hand side, and, on the front,
Adapter Base Unit
Retaining Lever
DIN Rails
45246