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vScript

Written by Administrator

Wednesday, 24 December 2008 16:15

A simple scripting language to create a flexible low cost CCTV based alarm system .

One that can be connected to one of our Merlin equipped Alarm Receiving Stations, controlled by an end user securely through the Internet or from a mobile application.

Sometimes clients require a low cost way of protecting their property without the expense of a "black box" or high installation costs. They just want a low cost reliable and flexible system.

vScript enables installation engineers to design a system using components including IP based cameras and input/output modules. No black box required as each component is part of a network designed by the engineer to work together as one.

Most IP cameras have at least one switchable output and input that can be used to trigger an event and these can be controlled and monitored by vScript.

vScript can also send messages to the audio output of the camera and monitor other applications.

A vScript could be as simple as.....

Switch output on camera 1 (to arm sensor), play "System is armed" through the audio ouput on camera 1.

In the event that the output is triggered, the camera is programmed to send pre and post trigger images to the VerifiedAlarms network where they can be sent to mobile telephones, emailed or sent to a commercial Alarm Receiving Centres as an alarm.

Images are stored in the network and are available to view through your own webspace.

vScripts can be sent to a protected site through SMS texts, email to a control email address and to a commercial Alarm Receiving Centre.

A vScript can be as small or as big as you require.

Designed for "event" based security, a vScript can be just what you need to win that contract in an ever competitive world.

Let's build a quick vScript.

We will assume that you have your camera connected to the Internet and you can access it remotely.

In this example we will use a Panasonic 531 camera.¹

This model has one switched output and one alarm input, it also supports two way audio.

Let's define a vScript that allows us to use the camera as a single camera external security alarm. For example, in a small compound.

We want to be able to arm and disarm the camera, both by the user from his/her mobile telephone (or all the people who have access to the protected property) and from the control room using Merlin.

The first thing we need to do is add the camera to your VerifiedAlarms account – please see the VerifiedAlarms setup document.

Once this is online and you can see timed images arriving in the online storage account you are ready to go.

Let's first assume that you have called your camera “external camera”.

Creating your first vScript is easy, simply give the script a descriptive name and a name that you can easily send from a mobile telephone as text and from the control room.

This name is important – for example don't make it too long and try and make it memorable.

By entering the vScript page in your VerifiedAlarms account you can see a range of commands available for this camera. These are shown in the commands list panel.

One is called “SetOutputON”, by selecting this you can turn on the output on the camera. We use this to arm an external detector.

So our first command is “SetOutputOn”.

We then enter a delay in the script to allow the sensor time to settle, that is time for it to get ready to detect motion.

This is achieved by using the “delay” command – you can set any delay in seconds, a timer until the next part of the script is due to operate.

We then want to start monitoring the input, so we arm the camera using the “ChangeMode” command.

Then, we want to let everyone know that the camera is armed. We can do this by sending an audio message to the camera to play locally. We do this by using the “SendAudio” command.

Finally, to show all is OK and the system is armed we can send a text message to all the keyholders for the protected property by using the “SendMessageToKeyholders” command.

That's it, our vScript is created and is ready to use.

Multiple vScripts can be created, they can be controlled remotely, on event and from Initsys Azimuth.

User Guide is here..... icon

vScript User Guide 1.0 (614.61 kB)

1To find out more about this type of camera please go to the Panasonic web site.

If you want to record onsite download and use the FREE iRecord Velocity software available here.

Last Updated on Tuesday, 08 February 2011 17:13