Description, Figure 1 module architecture, Trusted – Rockwell Automation T8432 Trusted Dual Vdc Analogue Input Module - 60 Channel User Manual

Page 8: Module t8432

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Trusted

Module T8432

Issue 16 Apr 10

PD-T8432

1. Description

The Dual 24V dc Analogue Input module is a member of the Trusted

range of Input/Output (I/O)

modules. All Trusted

I/O modules share common functionality and form. At the most general level,

all I/O modules interface to the Inter-Module Bus (IMB) which provides power and allows
communication with the Trusted

TMR Processor. In addition, all modules have a field interface that

is used to connect to module specific signals in the field.

Figure 1 Module Architecture

All High Integrity I/O modules comprise four sections: Host Interface Unit (HIU), the Field Interface Unit
(FIU), the Field Termination Unit (FTU) and the Front Panel Unit (or FPU).