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

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118

Rockwell Automation Publication 1769-IN088A-EN-P - February 2011

Chapter 3 I/O Memory Mapping

Program Value Word

The program value word, word 2, is used to program the user-defined safe state
value (0=Off, 1=On). 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 for each individual output on a system transition from Run to Fault.

Fault Value Word

The fault value word, word 4, is used to program the fault state value (0=Off,
1=On). 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.

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

Value Applied

Bit Setting

Program

0

Fault

1