Owner`s manual

I/O Modules

5-6

Figure 5-6 provides a general view of the TB holder and an I/O module.

TB Holder

Terminal

Blocks (TB)

Extractor

Handles

Code Key

Positioner

Terminal Block (TB)

I/O Module

Code Key

Positioner

Terminal Block (TB)

TB Holder

Screw

I/O Module

Figure 5-6 Terminal Block (TB) Holder on I/O Module – General View with Coding

User Label

Each I/O module is provided with a blank label on the module door for user notes.

Inserting/Removing an I/O Module from the Rack

I/O modules support hot-swap and can be inserted and extracted while the system is powered

up. For instructions on removing/inserting an I/O module from/into a rack, see the Replacing

an I/O Module section of the Break-Fix Procedures chapter below.

Automatic Module ID

Each I/O module has a unique module type ID number. When the RTU is powered up or when

an I/O module is inserted into a slot (hot-swap), the CPU automatically identifies the module

type.

The module ID can be viewed from the STS Hardware Test utility. For more information, see

the Hardware Test section of the ACE STS User Guide.