Rockwell-automation T8402 Trusted Dual 24V dc Digital Input Module - 6 Manual do Utilizador descarregar pdf (Página 8)

Trusted

Module T8402

Issue 13 April 10 PD-T8402 8

1. Description

The Trusted

Dual 24V dc Digital 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 Trusted

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).

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Rockwell-automation T8402 Trusted Dual 24V dc Digital Input Module - 6 Manual do Utilizador Página 8