Rockwell Automation 1769-OB32 Installation Instructions User Manual

Page 14

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14 Compact 32-point Solid-state 24V dc Source Output Module

Publication 1769-IN031A-EN-P - April 2003

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.

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.

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

Value Applied

Bit Setting

Program

0

Fault

1

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