Marking Charts on Honeywell Paperless Process Recorders


Back in the day of paper charts, it was simple to mark a recorder chart – the operator pulled a pen out of his pocket and wrote on the chart, or the quality person rubber-stamped the chart.

Even with “paperless” charts on Honeywell’s Trendview, X-Series and G-Series digital recorders, it’s still easy to annotate.

Menu navigation to mark the chartThe LIST button in the status bar (left of Screen) brings up a sub-menu with the Mark button.

The mark chart button brings up a list of up to 20 preconfigured messages you can use. If none of the preconfigured messages is adequate for your use, choose Blank, and the touchscreen keypad will appear. Enter your text and click the green checkmark button.

Preset messages or text entry screen

How to set your own Preset messages

If you find yourself using the same messages over and over again, you can add them to your Preset Markers list. To set your own preconfigured messages, follow this path from the recorder’s main menu:

Edit preset markers for paperless recordersMain Menu > Configure > Setup > Edit Setup > Events/Counters > Preset Markers

Select the next available marker number, and enter your text. The message can be entered or edited from the touchscreen keyboard, an external USB keyboard, an external USB barcode reader. If you’re browsing the recorder from a PC over a network connection, and Remote Control is enabled, you can add preset markers to the recorder through your web browser interface.

Message appears on trend screens and in the User message log with a date/time stamp:

Trend screens and user messages on paperless recorders

Any of the preconfigured messages can be printed on demand either by the signal from a remote digital input or by a local alarm using the Event option.

Using Modbus master to send the message CLEARED to mark a chart.If you use a Modbus master to compose and transmit messages to a recorder, ASCII-character messages can be marked on the chart. This Modbus option is used with PLCs and SCADA masters that have the power to analyzer and compose messages.

Here’s a presentation showing how ModScan32, a generic Modbus Master program can be set up to transmit a text message to the recorder. In this case, the word Cleared to mark the chart.

Process values with their associate tags (and units) can be printed out at periodic intervals, using so-called embedded variables. The screen shot below shows tags and values, but the user elected not to show the °C units.

Chart with several associated tags

So, there’s lots of ways to mark a paperless chart, it’s just a matter of picking the most convenient and appropriate means for your application.

Learn more about Honeywell paperless recorders at Lesman.com

 

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Lesman Instrument Company is the authorized Honeywell stocking distributor in North and Central Illinois, Northern Indiana, Eastern Iowa, Wisconsin, and Michigan’s Upper Peninsula. If you are located outside that area, you can find your local sales office or get technical assistance by visiting Honeywell’s contact page.

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