Specifying Electronic Keying - Allen-Bradley ControlLogix User Manual

Specifying Electronic Keying

Electronic Keying
ATTENTION: Be extremely cautious when you
disable electronic keying. If used incorrectly, this
!
option can lead to personal injury or death, property
damage, or economic loss.
You specify electronic keying to ensure that a module being inserted or
configured is of the proper type and firmware revision.
Keying
"least" disable keying
compatible module
"moderate"
exact match
"most"
Description
No attributes of the software or hardware are
required to match.
The module must be compatible with the software
configuration. These characteristics must match:
module type
catalog number
major revision
The minor revision must be equal to or greater than
the one specified in the software.
The module must match the software configuration
exactly. These characteristics must match:
module type
catalog number
major revision
minor revision
1756-6.5.3 - December 1999
C
Appendix