Rockwell Automation Allen-Bradley 1769-IA16 - Page 127

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
100000000000000000
110000000000000000
120000000000000000
130000000000000000
140000000000000000
150000000000000000
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
Word
Bit Position
1514131211109876543210