Rockwell Automation T8448 Trusted TMR Zone Interface Module - 40 Channel - Manual (Page 23)

Trusted
TM
Module T8448
Issue 14 Apr 10 PD-T8448 23
3.2.1. Rack 1: DO
This board provides the connection to the logical output control signal for each of the field outputs.
Channel Description
1 Field output channel 1 logical state
2 Field output channel 2 logical state
40 Field output channel 40 logical state
Table 5 Rack 1: DO descriptions
The user application should set the output control signal to true (logic ‘1’) to turn ON or energise an
output, and false (logic ‘0’) to turn OFF or de-energise an output.
3.2.2. Rack 2: STATE
This board provides the majority voted numerical state. This indicates the operational status of the
channel and associated field connection.
Channel Description
1 Field channel 1 state
2 Field channel 2 state
40 Field channel 40 state
Table 6 Rack 2: STATE descriptions