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Allen-Bradley 1734-OB8S Installation & User Manual

Allen-Bradley 1734-OB8S
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Rockwell Automation Publication 1734-UM013C-EN-P - August 2010 85
Configure the Module in a GuardLogix Controller Chapter 6
Values and States of Tags
This table shows the values and states of the tags.
Data Description
Input
data
Safety Input Data
SAFETY
Indicates the ON/OFF state of each input circuit.
ON: 1 OFF: 0
Combined Safety Input Status
SAFETY
An AND of the status of all input circuits.
All circuits are normal: 1
An error was detected in one or more input circuits: 0
Individual Safety Input Status
SAFETY
Indicates the status of each input circuit.
Normal: 1 Fault (Alarm): 0
Combined Safety Output Status
SAFETY
An AND of the status of all safety output circuits.
All circuits are normal: 1
An error has been detected in one or more output
circuits: 0
Individual Safety Output Status
SAFETY
Indicates the status of each safety output circuit.
Normal: 1 Fault (Alarm): 0
Muting Lamp Status
SAFETY
Indicates the status when circuit T1 and T3 is configured
as the muting lamp output.
Normal: 1 Fault (Alarm): 0
Output Readback
STANDARD
Monitors the presence of 24V on the output circuit.
Readback is ON (1) if 24V is on output terminal.
ON: 1 OFF: 0
Individual Test Output Status
STANDARD
Indicates the status of each of the test output circuits.
Normal: 1 Fault (Alarm): 0
Input Power Error Bit Indicates field power supplied is within specification.
Power error: 1 Power OK: 0
Output Power Error Bit Indicates field power supplied is within specification.
Power error: 1 Power OK: 0
Run Mode Indicates whether consumed data is actively being
updated by a device that is in these states:
Run mode: 1 Idle State: 0
Connection Faulted Indicates the validity of the safety connection between
the safety producer and the safety consumer.
Valid: 0 Faulted: 1
Output
data
Safety Output Data
SAFETY
Controls the safety output.
ON: 1 OFF: 0
Standard Output Data
STANDARD
Controls the test output when Test Output mode is set to
a standard output.
ON: 1 OFF: 0
IMPORTANT
Safety denotes information the controller can use in safety-
related functions. Standard denotes additional information that
must not be relied on for safety functions.

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Allen-Bradley 1734-OB8S Specifications

General IconGeneral
BrandAllen-Bradley
Model1734-OB8S
CategoryControl Unit
LanguageEnglish

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