Glossary

(Original Document)

C D E F I O T U

CPU

Central Processing Unit: generic name used for Schneider Automation processors.

Debug

Debug is a Unity Pro service enabling a direct module check to be made in online mode.

Discrete

Discrete inputs/outputs.

Explicit exchanges

Exchanges between the CPU and the application-specific modules created by the Unity Pro program for updating data specific to the module.

Fipio

Field bus used to connect sensor or actuator type devices.

I/O

Inputs/outputs.

IODDT

Input/Output Derived Data Type.

Operating Mode

All these rules regulate the module's behavior during transitory phases or if a fault occurs.

TBX

I/O modules remoted on the Fipio bus.

Unity Pro

Schneider Automation PLC programming software.