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Tags

by | Aug 3, 2013 | Device-Group |

Tags represent the data registers for Discrete, Integer, Long &  Floating Point numbers.

They are loaded through a .csv file in order to maintain informational integrity. This includes dead-bands, update periods, what is logged and what appears on reports.

GRIDlinks report on exception.

  • Analog data must change and be greater or less by the dead-band value before it is passed to GRIDview.
  • Digital values simply must change (True or False) before it is reported to GRIDview.
  1. From the GRIDlink Nav Bar select Device > Tags

Note that Analog, Longs & Floats are in the top group and Discrete (Digitals) are in the bottom group.

The first tag name is a unique identifier that distinguishes one .csv upload from another.

General Tab for Analog tags

Tag Name

I/O Type – Analog, Long, Float (in/out)

Reg #

Scan Delay – frequency data is updated to GRIDview if value changes,

Max Delay – data is passed to GRIDview regardless if it has changed or meets the dead-band criteria.

Widget – Template customization for internal use only

Don’t save history – data is not logged

Show on Dashboard – incuded in Dashboard summary

 

 

Analog Tab

Deadband – this defines how much an analog value must change before it is passed to GRIDview 

Decimals –  number of decimal places data is shown on templates

General Tab for Digital (Discrete) tags

Tag name

I/O Type – Discrete In / Discrete Out

Reg #

Scan Delay – the frequency that data is updated to GRIDview if the value changes.

In the example of meter data, the data is calculated at the top of the minute at 00 seconds. If the value changes above or below the deadband from the last minute then there will be data posted. If not, there will be nothing posted and the user will need to substitute data to the previous value to fill the time slot on a report. Also the time stamp may have a slight delay of a few seconds so it would need to be corrected to 00 seconds.

Max Delay – data is passed to GRIDview regardless of change. If the setting is for example 1 minute, then the data will be posted each minute and at approximately the same second. The second is not confirgurable and can be any value from 0-59. Max delays are not reccomended for interval or instant kW data.

Discrete Tab

Message – On/Off