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Rockwell Automation 1769-XXXX Compact I/O Modules  User Manual

Page 115

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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