Program state word, Program value word, Fault state word – Rockwell Automation 1769-XXXX Compact I/O Modules User Manual
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Rockwell Automation Publication 1769-IN088A-EN-P - February 2011
127
I/O Memory Mapping Chapter 3
Program State Word
Word 1, the program state word, 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
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.
8
Fault Value for Output Array Word 0
9
Fault Value for Output Array Word 1
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Wo
rd
Bit Position
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0