Changing the Alarm Limit Values on MIMIC by users

Shahien · ‎2024-01-09

Dear Experts,
I'm just started working with GEO SCADA and I need your valuable help.
Currently, I'm trying to edit the alarm limits on MIMIC but I can't find any proper solution for this problem.
I can read the alarm limit value but I can't edit it through MIMIC.
So, any proper method to solve this problem.
Thanks.

AdamWoodlandToo · ‎2024-01-15

You can write some quick mimic script using vbscript, use the Forms object to create your own custom form showing the limits you want and then call the TuneAlarms method directly. You'll need to do your own validation of the input (i.e. limits make sense) but should be straight forward enough.

You'll need to check the schema for the parameters to the TuneLimits method as those will depend on your point type, e.g. http://localhost/schema/CPointAlg for Internal Analogues

It is temporary only in so far as the limit changes will stay until someone else tunes them, or the tuning is removed from that point.

See Answer In Context

AdamWoodlandToo · ‎2024-01-10

Depends on how permanent the changes are, and the level of permissions the users have.

If you're talking a permanent change then you should update the HighHighLimitStd (etc) properties on the point object. You can just do that from the standard Properties UI or write some quick custom script with a form, but the user will need the Configure permission.

Alternatively you can use the Tune Alarms function, which comes with its own UI and will temporarily override the configured alarm limits with alternative limits. There's a specific permission for that, so ideal for users who shouldn't have proper config access but need this ability to chnage limits, and revert them later back to what is configured.

Shahien · ‎2024-01-13

Dear Adam,
Thanks for your helpful reply.

The client asks me to enable him to change the alarm limits according to the operation, So I need to enable him to change from the MIMIC not from the properties of the point.
So, I need to control the alarm limit as I can read it, I saw different way by use Tune Alarm feature but I think it is temporarily method and it encourage you to use a ready made pop up window which contains high high and low low alarms also!!

So, If you have some hints how I can control the alarm limits by using scripting way, it will be very helpful to me.
Thanks

AdamWoodlandToo · ‎2024-01-15

You can write some quick mimic script using vbscript, use the Forms object to create your own custom form showing the limits you want and then call the TuneAlarms method directly. You'll need to do your own validation of the input (i.e. limits make sense) but should be straight forward enough.

You'll need to check the schema for the parameters to the TuneLimits method as those will depend on your point type, e.g. http://localhost/schema/CPointAlg for Internal Analogues

It is temporary only in so far as the limit changes will stay until someone else tunes them, or the tuning is removed from that point.