Posts from August 2015

133

Can you trust your critical text message notifications to be delivered by your wireless carrier?

August 24, 2015 / 0 comments / in Support  / by Jacob Allred

Here is a scenario that I’ve seen crop up several times in the last few months:

A point enters the alarm state and an SMS notification has been sent, but several hours later no one has acknowledged it yet. Investigation begins into this issue and I notice that the notification service (GNS) has logged a successful send to my field techs’ wireless carrier’s email address, there are no errors reported, but no one has responded to the callout. I call the tech and he says he never received the notification.

145

Tired of Attending the Same Old Events? Try Throwing Your Own Custom Event

August 18, 2015 / 0 comments / in API Applied Engineering General Studio Tips  / by Blake Miller

In my previous post How to change a tab strip selection, I discussed the use of HyperLinkSys as a means of passing data from a nested view screen to its parent screen. In that technique, the data passed from the nested view was used to change the selection of a tab strip on the parent screen. In keeping with the theme of initiating an action from a nested view, I will present a different technique using custom events for more complex interactions.

146

Using references to display a packed word value

August 03, 2015 / 0 comments / in General  / by Ryan Ackerman

Have you ever run into a situation where a single value on a device could represent multiple values at the same time? How would you display a nice string representation for all the potential values? I recently saw this problem solved on an Emerson device where a TLP contained multiple values packed into a single byte. The solution used a combination of multiple reference DEIDs and a few associated enumerations.

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