Rockwell Automation Publication 1769-IN088A-EN-P - February 2011 179
I/O Memory Mapping Chapter 3
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 in a change to the Fault mode.
Module Default Condition
The modules default condition is all zeros, programming the conditions shown
below.
1769-ARM
The module has an input data file of 1 word, no output data file (0 words), and no
configuration data file (0 words).
Input Data File
For each address reserve module, slot x, word 0 in the input data file contains all
bits set to 0.
Value Applied Bit Setting
Program 0
Fault 1
Word or Bit Affected Condition Applied
Word 0, Bit 0: Program-to-Fault Enable Program Value
Word 1: Program State User-defined Safe State
Word 2: Program Value Off
Word 3: Fault State User-defined Safe State
Word 4: Fault Value Off
Word
Bit Position
1514131211109876543210
00000000000000000
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