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Keith Donaldson is an Engineer and Head of Business Management at the Trihedral office in Aberdeen, UK. In this tutorial, he explains how JavaScript Object Notation (JSON) works and why its role in modern SCADA systems continues to grow. Keith will demonstrate step-by-step how to configure the VTScada JSON driver and connect to third-party data. This will include using the JSON Parser to encode a
I am working on my first application for my city's water treatment plant and distribution system. I just noticed in the developers guide it states that digital control tags do not retain their values during app restarts. Most of our pumps are started and stopped manually and I do not want anything SCADA related to shut them down. Should I use Analog control tags set to 0 and 1 for this situat
recent by Michael  ·  Mar 17 '20 at 6:56 pm
BDemaree posted Mar 3 '20 at 4:24 pm
I need to create an XY plot of the data from 2 tags but am having difficulty doing so. I have looked at the PlotXY function but am unsure of where to use it and how to get the arrays of data needed for the function.

recent by Victor  ·  Mar 5 '20 at 3:22 pm
pushpika1 posted Feb 19 '20 at 9:18 pm
hello sir,

I`m pushpika from Saudi Arabia.I have designed a scada system for my company and it is approved to implement. i am using VTscada Light version to implement this project.this project includes water flowing system with chiller lines and etc.. i am planning to use Modbus compatible device to my project instead of PLC.i have already choosen a device.but i need to make sure it will be c
recent by pushpika1  ·  Feb 25 '20 at 8:24 pm
mjmadsen posted Feb 24 '20 at 6:58 pm
I would like to use VTScadaLight to send process data to an OPC UA server so that other OPC UA compliant programs can have access to that data.

Does VTSLight support this functionality or do I require a fully licensed version of VTS?

If VTSLight does support this functionality is there documentation that describes how to configure it appropriately.

pushpika1 posted Feb 20 '20 at 8:04 pm

i`m using vtscada light version and i have Omron NJ series plc.when i trying to setting up plc with vtscada application,it shows only two series there.C/CV series and CS/CJ NJ series not supporting with vtsada?if support, how to add drivers?which one i need to select while adding drivers ?omron fins driver or omron host link plc?please let me know.thank you.

I attached an excerpt from the help files, but I would like to discuss it for a second.


If there is a single application on site, and we need a backup solution that is automatic AND shutting down and restarting the application isn't possible, is using windows file history an acceptable method for continuous backup?

Has ther
Carmelo posted Feb 4 '20 at 5:21 pm
It was not difficult to communicate a Koyo PLC with VTScada by means of Modbus TCP, being both, PLC and VTScada in the same LAN.
However, I have not been able to communicate them when the PLC is connected to a router outside the LAN of VTScada.
I typed a public IP address and the PLC port number when configured the TCP/IP port in the VTScada.
The resulting value of TCP/IP Port is -10,06
packinpennies posted Feb 17 '20 at 6:17 pm

I am having an issue connecting to a Koyo DL330 PLC via serial. I have it setup with the correct station addresses and COM port parameters, and it appears to be reading my register R16 correctly. However, writing to the tag fails. Sniffing the serial packets, it appears that the driver is trying to pull data from 2 8-bit registers when I only want to pull from one and I believe this is w
dougs posted Feb 5 '20 at 5:10 pm
Some people have been having an issue connecting to the Microsoft Store and downloading the Excel plugin. A lot of these we have found are because of the Excel build. Note that Excel can be up to date with security patches but still be behind on builds.

The add-in currently requires what is known as the ExcelApi 1.4 requirement set which is available in build 7870.2024 or later, so although y
pieter posted Jan 31 '20 at 3:30 pm
For a school I work on three small PLC controlled processes supervised by separate VTScada applications to manage
some food processing equipment (evaporator, powder dryer machine, autoclave) that the students have to learn to work with.

Is there a report tool for VTScada that enables me to document the details of the tags of these applications in an organized way for the project document
recent by pieter  ·  Feb 14 '20 at 12:16 pm
jfrye posted Feb 10 '20 at 8:07 pm
We are trying to create a report for documenting the duration a sewage lift station is overflowing on a day to day basis.

We have a calculation tag setting the overflow setpoint, and an alarm tag running the trigger of "wet well level > setpoint". Followed by a logger tag monitoring the state of the alarm tag, logging at every 60 sec.

When we run daily total reports on the logger
recent by jfrye  ·  Feb 12 '20 at 12:35 pm
DanW posted Feb 7 '20 at 5:03 pm
So... in the past Calculation tags have been used to create Color tags.
With VT12 this can be done using the Universal IO Tag: String Calculation but it seems that most objects object to picking String calculation tags { see what I did there }. When picking a color for a box and you select tag and go to choose a tag, it looks for numeric tags. Interestingly, you can select the tag in the lef
recent by DanW  ·  Feb 11 '20 at 8:55 pm
DanW posted Jan 29 '20 at 3:04 pm
The VTScada help file indicates that the RadioButtons function should be called using the Dot notation:

When I attempted this implementation the radio buttons did not show up in my display. After verifying my variables I tried using the "\" notation:

This worked.

(Full Disclosure: I'm using the VT11 era "CompletedTutorial" ap
jjauregui posted Feb 5 '20 at 12:20 am
I am looking to display the following VIC Client information in a project:

Server Name client is connected to
Client Name
Logged in Windows username that the client is running on

For item 1 (Server Name) I am using the following expression which is working fine: \DisplayManager\RootSession\Name

How would I reference items 2 & 3 above?

recent by Michael  ·  Feb 10 '20 at 3:27 pm
drummin89 posted Feb 6 '20 at 2:40 pm
Is there a way to resize the horizontal buttons widget for a selector switch tag? It seems like it would be standard practice to have some user set-able parameters in the properties dialog for setting the width and height of the buttons, but there is not and the buttons are just too small.

recent by Michael  ·  Feb 8 '20 at 6:04 am
BFleck posted Feb 5 '20 at 7:04 pm

Getting error code 33,028 when trying to connect to Siemens S7 Driver. I'm using VTSCADA Light Version 12.0.04.

Any Help is Appreciated

Found Solution

Open the PLC project in the S7 TIA Portal software.
Go to Project View
In the Project Tree window, select the device that is causing the error.
Hit Alt-Enter to bring up the Properties dialog.
On the General tab,
Natashia - VTScada posted Mar 2 '17 at 2:46 pm
Question posed on our website: Any work on supporting/offering OPC UA? MQTT? I like the internet server & redundancy. What I may want to do is integrate your product to display VTScada HMI screens. How do I populate the screen(s) with real time data? I have in place all the data acquisition & can provide it to your internet server(s) via??? I'm thinking in terms of Opto 22 HMI servers wh
Hi, I would like to put a numeric entry box somewhere in my application so that the alarm parameters (like low alarm setpoint) can be changed without the user having to go into the tag properties. Is it possible to reference these parameters outside the properties box? for example like how you can reference a tags value by using \Value

If that is not possible then is it possible to create a t
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