Chapter 9-C445 Logic Engine And Expansion I/O; Power Xpert Incontrol Logic Engine - Eaton Power Xpert C445 User Manual

Chapter 9—C445 Logic Engine and Expansion I/O
Chapter 9—C445 Logic Engine and Expansion I/O

Power Xpert inControl Logic Engine

The Logic Engine in the C445 Motor Management Relay has many applications. From
monitoring temperature sensors attached to the windings of a motor to using it for
distributed control and even eliminating a central controller. The C445 logic engine uses
Function Block programming with an extensive, powerful instruction set and wide ranging
data types. It can access the local I/O on the Base Control module, the expansion I/O as
well as C445 system parameters allowing monitoring and control of the overload relay.
Power Xpert Logic Programming and I/O Configuration Tool
The software tool is used to create custom logic programs that reside in the C-445 MMR.
The tool is also used to configure expansion I/O that is controlled from the logic engine
over an RS-485 communication link. Users can create custom programs by selecting
function blocks, creating variables, referencing remote I/O data items, setting properties,
and accessing C-445 system variables from the logic editing screen. It is also possible to
monitor live program execution in debug mode.
156 Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com