Rockwell Automation Publication 1769-IN088A-EN-P - February 2011 115
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 a
change to Fault mode.
Program State, Word 1
Selects the hold last state or user-defined safe state condition for each individual
output on a system transition from Run to Program.
Program Value, Word 2
Defines the user-defined safe state value (0=Off, 1=On). Each output is
individually configurable for on or off.
Fault State, Word 3
Selects the hold last state or user-defined safe state condition for each individual
output on a system transition from Run to Fault.
Fault Value, Word 4
Defines the fault state value (0=Off, 1=On). Each output is individually
configurable for on or off.
Value Applied Bit Setting
Program 0
Fault 1
Condition Bit Setting
User-defined Safe State 0
Hold Last State 1
Value Bit Setting
Off 0
On 1
Condition Bit Setting
User-defined Safe State 0
Hold Last State 1
Value Bit Setting
Off 0
On 1
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