1715-of8i – Rockwell Automation 1715-OF8I Redundant I/O System User Manual User Manual

Page 312

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312

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

Appendix G

I/O Tag Definitions

1715-OF8I

Table 84 - 8-channel Analog Output, Output

Tag Name

Data Type

Definition

AOCh[0…7]

Array of structure

Array of 8 structures for the output data:

0 = Data

1 = Faults

Data

REAL

Commanded output value

Control

DINT, bit-field

Alarm control:

Bit

Name

Description

0

HAlarmUnlatch

Rising edge transition (that is, 0 > 1)

unlatches alarm

1

LAlarmUnlatch

Rising edge transition (that is, 0 > 1)

unlatches alarm

2

RateAlarmUnlatch

Rising edge transition (that is, 0 > 1)

unlatches alarm

Table 85 - 8-channel Analog Output, Simplex, Input

Tag Name

Data Type

Definition

Fault

DINT, Binary

Module fault bit:

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

module is present, no Logix connection exits, or reported data is invalid.

ChDuplex[0…7]

Array of structure

Array of 8 structures that represent the data and fault status for channels 0…7:

0 = Data

1 = Faults

ReadBack

REAL

Input data

Faults

DINT, bit-field

Channel fault status:
Bit

Name

Description

0

Fault

0 = Good

1 = Circuit fault for this channel

4

InHold

5

NotANumber

6

LAlarm

7

HAlarm

8

RateAlarm

Status

DINT, bit-field

Bit

Name

Description

8

GroupFault

0 = Good
1 = Any channel on module is faulted/

failed

Table 86 - 8-channel Analog Output, Simplex, Input

Tag Name

Data Type

Definition

Fault

DINT, Binary

Module fault bit:

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

module is present, no Logix connection exits, or reported data is invalid.

ChDuplex[0…7]

Array of structure

Array of 8 structures that represent the data and fault status for channels 0…7:

0 = Data

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