100 Rockwell Automation Publication 1715-UM001J-EN-P - December 2020
Chapter 2 Installation Instructions
2. Examine a coding peg (fitted) and identify the index recess on the
hexagonal flange.
3. See Table 12
and verify that each coding peg is fitted so its index recess is
next to the relevant numbered position.
Electronic Keying Electronic Keying reduces the possibility that you use the wrong device in a
control system. It compares the device that is defined in your project to the
installed device. If keying fails, a fault occurs. These attributes are compared.
The following Electronic Keying options are available.
Attribute Description
Vendor The device manufacturer.
Device Type The general type of the product, for example, digital I/O module.
Product Code The specific type of the product. The Product Code maps to a catalog number.
Major Revision A number that represents the functional capabilities of a device.
Minor Revision A number that represents behavior changes in the device.