Rockwell-automation T8448 Trusted TMR Zone Interface Module - 40 Chann Manual de usuario descargar pdf (Pagina 34)

Trusted

Module T8448

Issue 14 Apr 10 PD-T8448 34

4.3. I/O Status Indicators

There are 40 channel status indicators on the module front panel, one for each field input/output.

These indicators are controlled by the FPU. The FPU receives data from each of the module slices.

The FPU performs a 2-oo-3 vote on each data bit from the slices and sets the indicators accordingly.

The input/output status indicator mode is dependent upon the numerical state of the channel. Each

tate can be defined to have a particular indicator mode: off, green, red, flashing green, or flashing red.

Note that although it may be possible to specify yellow (green and red together) in the System

Configurator, this is not recommended.

The configurable indicator modes allow users to customise the status indications to suit individual

application requirements. Without customisation, the default indicator modes are as described below:

INDICATOR STATE DESCRIPTION

Off Output is Off or Input is Open

Green Channel is On or Input is Closed

Green – flashing No Output Load or Input/Output Open Circuit

Red Output short circuit (output over current protection triggered and channel is

latched off) or input short circuit

Red – flashing Channel fault, or no field supply voltage

Table 20 I/O Status LEDs

Note: The LEDs indicating channel status may be configured to suit user requirements by

implementing the procedure for configuring the System.INI file detailed in PD-8082B.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 40

Sin comentarios

Rockwell-automation T8448 Trusted TMR Zone Interface Module - 40 Chann Manual de usuario Pagina 34