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Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A
CIP Objects
Table 284 - Output Alarm Limits Tag (Optional)
REAL
Description
REAL
Description
0
Limit 0
8
Limit 8
1
Limit 1
9
Limit 9
2
Limit 2
10
Limit 10
3
Limit 3
11
Limit 11
4
Limit 4
12
Limit 12
5
Limit 5
13
Limit 13
6
Limit 6
14
Limit 14
7
Limit 7
15
Limit 15
Notes
The alarm limits tag is an optional array “AlarmLimits[16]” of sixteen limit values that the module
can reference as an alert or alarm, low or high, limit. The tag is included in the output when
specified in Module Definition.
When using the alarm limits from the controller, following the module start-up or configuration
download, the alarm limits provided are not applied until a nonzero alarm threshold is received.
Until that time, the alarm thresholds included in the configuration are used. This is to avoid
applying zero value alarm limits in the time before the controller updates the output AlarmLimits
tag.