1715-ob8de – Rockwell Automation 1715-OF8I Redundant I/O System User Manual User Manual

Page 308

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308

Rockwell Automation Publication 1715-UM001C-EN-P - March 2014

Appendix G

I/O Tag Definitions

1715-OB8DE

Table 78 - 16-channel Digital Input, Duplex

Tag Name

Data Type

Definition

Fault

DINT, Binary

Module fault bit:

0 when one module is present and reporting valid data, OxFFF_FFFF when no

modules are present, no Logix connection exists, or reported data is invalid.

Data

INT

Input state, one bit per channel for channels 0…15:

0 = Off/de-energized
1 = On, energized

Status

DINT, bit-field

Redundancy and power status:
Bit

Name

Description

0

ModAFault

0 = Good

1 = Fault or module not present

1

ModBFault

0 = Good
1 = Fault or module not present

8

GroupFault

0 = Good

1 = Any channel or module faulted/failed

9

ModAGroupFault

0 = Good

1 = Any channel or module A faulted/failed

10

ModBGroupFault

0 = Good
1 = Any channel or Module B faulted/failed

PtFault

INT

Channel fault status; one bit per channel for channels 0…15:

0 = Normal
1 = Channel is faulted/failed

Open Wire

INT

Open wire diagnostic status; one bit per channel for channels 0…15:

0 = Normal
1 = Indicates open wire detected

ShortCircuit

INT

Short circuit diagnostic status; one bit per channel for channels 0…15:

0 = Normal
1 = Indicates short circuit detected

Indeterminate

INT

Indeterminate diagnostic status; one channel per channel for channels 0…15:

0 = Normal
1 = Indicates indeterminate input voltage detected

Table 79 - 8-channel Digital Output, Simplex, Output

Tag Name

Data Type

Definition

Data

SINT

Output channel commanded data; one bit per channel for channels 0…7:

0 = Off/de-energize

1 = On/energize

AlarmUnlatch

SINT

Unlatch alarm; one bit per channel for channels 0…7; rising edge transition (that is, 0>1)

ResetBlownFuse

SINT

Reset blown electronic fuse, one bit per channel for channels 0…7; rising edge transition (that is, 0>1) resets

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