Rockwell-automation T8431 Trusted TMR 24Vdc Analogue Input Module - 40 Manuale Utente Scaricare il pdf (Pagina 9)

Trusted

Module T8431

Issue 16 Sep 11 PD-T8431 9

1.4. Front Panel Unit (FPU)

The Front Panel Unit (FPU) comprises a Front Panel Termination Unit (FPTU) and a Front Panel

Display Unit (FPDU). The overall FPU contains the necessary connectors, switches, logic, and LED

ndicators for the front panel. For every type of Trusted

/O module, the FPU contains the Slice

Healthy, Active/Standby and Educated indicators (LEDs), and the module removal switches.

Additional bicolour LEDs provide status indication for the individual I/O signals. Serial data interfaces

connect the FPU to each of the HIU slices to control the LED status indicators and monitor the module

removal switches.

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Rockwell-automation T8431 Trusted TMR 24Vdc Analogue Input Module - 40 Manuale Utente Pagina 9