Rockwell Automation 1769-XXXX Compact I/O Modules - Manual (Page 121)

Rockwell Automation Publication 1769-IN088A-EN-P - February 2011 121
I/O Memory Mapping Chapter 3
Program Value Word
The program value word, word 2, is used to program the user-defined safe state
condition. Each output is individually configurable for on or off.
Fault State Word
Word 3, the fault state word, selects the hold last state or user-defined safe state
condition on a system transition from Run to Fault.
Fault Value Word
The fault value word, word 4, is used to program the fault state condition. Each
output is individually configurable for on or off.
Program to Fault Enable Bit (PFE)
Word 0, bit 0, allows the selection of which data value, the program or fault value,
to apply to the output if a system in Program mode undergoes a system fault,
resulting a change to Fault mode.
Condition Bit Setting
Off 0
On 1
Condition Bit Setting
User-defined Safe State 0
Hold Last State 1
Condition Bit Setting
Off 0
On 1
Value Applied Bit Setting
Program 0
Fault 1