4DISCOVERY-50W datasheet(21/43 Pages) 4DSYSTEMS

21 / 43 page

Wall Mountable Display Solution

4Discovery-50

Page 21 of 43

www.4dsystems.com.au

4D Systems website for a complete listing of all the

supported 4DGL functions, along with the “4DGL

Programmers Reference Manual” for information

about the 4DGL Language and Syntax.

12.3. Workshop 4 – ViSi Genie

ViSi Genie is a breakthrough in the way 4D Systems’

graphic display modules are programmed. It is an

environment like no other, a code-less programming

environment that provides the user with a rapid

visual experience, enabling a simple GUI application

to be ‘written’ from scratch in literally seconds.

ViSi Genie does all the background coding, no 4DGL

to learn, it does it all for you.

Pick and choose the relevant objects to place on the

display, much like the ViSi Environment yet without

having to write a single line of code. Each object has

parameters which can be set, and configurable

events to animate and drive other objects or

communicate with external devices.

Simply place an object on the screen, position and

size it to suit, set the parameters such as colour,

range, text, and finally select the event you wish the

object to be associated with, it is that simple.

In seconds you can transform a blank display into a

fully animated GUI with moving sliders, animated

press and release buttons, and much more. All

without writing a single line of code!

ViSi Genie provides the user with a feature rich rapid

development environment, second to none.

ViSi-Genie’s functionality can be extended with the

purchase of a Workshop4 PRO License.

Workshop4 PRO adds a professional set of features

to the Visi-Genie environment called Genie-Magic.

The added features allow the user to add in 4DGL

scripts, which can be activated from the display itself,

from an interfacing Host, or from an external sensor

or device.

These PRO set of features of Genie-Magic allow the

User to create an immensely powerful GUI system

with a fraction of the effort required by other

systems.

Along with Genie-Magic, ViSi-Genie also benefits

from Smart widgets, as described in the previous ViSi

Environment section.

Refer to the “ViSi Genie User Guide” and “ViSi-Genie

User Reference Manual” from the Workshop 4

product page on the 4D Systems website for

information about the ViSi-Genie Environment and its

Protocol.

12.4. ViSi-Genie Limitations

While

the

4Discovery

capable

being

programmed using the ViSi-Genie Environment, there

are limitations that need to be observed when using

the Standard Configuration using DB01 daughter

board, and RS485.

If the 4Discovery is being programmed as a Slave

Device on the RS485 network, it can only function in

Polled mode, rather than Event mode due to the

RS485 interface being half duplex rather than full

duplex. 2-wire RS485 is only half duplex. If the

4Discovery is being programmed as a Master Device

(Host) on the RS485 network, it can operate using

Event mode, however is limited in data which can be

returned from the slaves.

When the 4Discovery is used with ViSi-Genie, only a

single Master/Host and a single Slave, can be present

on the network. This is the limitation with the ViSi-

Genie protocol, as there is no way to direct the ViSi-

Genie protocol to a specific Slave, and there is no way

for Half Duplex RS485 to handle the responses from

the slaves. If more than 1:1 is required, another

Environment such as ViSi will be required.

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