Alarms from AC 800M not getting through to 800xA

I'm sure that I'm missing something but after reviewing the 800xA OPC Connectivity as well as the Alarms and Events documentation I'm at a loss for why I'm not seeing alarms from a control module in my AC 800M controller. At this point I'm not sure if it's a configuration issue within the AC 800M / control module, an 800xA configuration issue, or other.

In my AC 800M Connectivity Server I've got a Happy Face for this controller in both the Data Access and Alarm and Event tabs.

The AC 800M Connectivity Server is a Service Provider in a Service Group under the Event Collector service. This Service, Service Group, and Service Provider are all in Service mode with green status and I can see live data values from this AC 800M in my 800xA system.

I'm using a Transmitter control module from the PCDL, I've attached two snapshots of the configuration of this control module.

I've also attached a snapshot of the faceplate for this Transmitter control module. The confounding part to me is that even though the tag value is > the HH limit and the HH limit is active, there is no alarm.

What could I be missing? What is the next thing I should look at or investigate?

Thanks

 Transmitter_CM_part1.png

 Transmitter_CM_part2.png

 Faceplate.png


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brmckeirnan   

asked 5 months ago
Closed



Answers

1

Don’t know PCDL in detail, but any alarm module downloaded to AC 800M need to have valid parameters.

The type and number of characters used in Source Name and Condition Name is restricted, eg no space characters are allowed, total string length must not be too long, must be unique, Severity and Class must be positive (not zero), etc.

Go online, browse to the module of concern, right click (in CBM) and select Alarm Conditions.

A 0 (zero) CondState value indicate alarm is disabled from config, or bad config.

2 is idle

1 and 6 are disabled states

3, 4, 5, etc are alarm states that should be reflected in the HMI.

The alarm condition block itself have additional status parameters that will take negative value if something is wrong. CBM online help can translate code into reason. Some libraries does not expose state, then online/Alarm Conditions is your only option.

Also, the AC 800M OPC server will rause AlmDefErr errors at download if it detect configuration errors. Look in the System Event list at download of application.

Stefan Stromqvist   

answered 5 months ago


 


By brmckeirnan on 12/1/2017 | Like (0) | Report

Thanks Stefan, I checked the Alarm Conditions in CBM and all conditions are 2 (Idle as you identified) even though the tag value > HH level. I'll check into the System Event list next. Thank you


By Stefan Stromqvist on 12/1/2017 | Like (0) | Report

Idle = not triggered in PLC
-> check your code/settings


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0

I see from the snapshot that your condition name has spaces in it . As far as I am aware condition name cannot have spaces in it. So you should have a par error or alarm and event config error in your transmitter or transmitter4L control module instance.

Try removing spaces from condition name.

psg912   

answered 5 months ago


 


By Stefan Stromqvist on 12/1/2017 | Like (0) | Report

True.
Still idle (2) should not be output, rather 0.


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