Watlow Silver Series - Manual (Page 12)

4 EZware5000 Series Programming Manual
Graphics Object
A Graphics Object is any text, icon, or picture that can be displayed on the HMI. Graphics objects are further defined
by how they are composed or created. A Text Object is a graphics object that displays text on the HMI screen. A
Bitmap Object is a graphics object that displays a bitmap on the HMI screen. Bitmaps are files stored in the HMI to
display pictures. A Shape Object is a graphics object that displays a shape on the HMI screen. Shapes are also files
stored in the HMI to display pictures. Shapes differ from bitmaps in that shapes are stored using a vector-based file
format whereas bitmaps use a pixel-based file format. Each format has its advantages and disadvantages. For
example, vector-based graphics can be resized without losing resolution, whereas bitmap graphics lose resolution as
they are magnified. Finally, a Group Object is the most complex type of graphics object. It is a combination of other
objects. Briefly, a group object consists of one or more objects that are ‘grouped’ together and stored as one object. A
good example is a keypad, which is really a combination of several keys each designed to perform a specific task.
When grouped together, a keypad can be stored as a group object for use in other projects or windows.
Windows
A window is a screen that can be displayed on the HMI. Windows can be full-sized to completely cover the HMI
display or partially sized. Any partially sized window is usually referred to as a popup window. Windows can appear on
the HMI display by a request from the PLC or by a press from the touchscreen. Windows can be configured to any
size. Once a window is displayed, it can be moved around the HMI display or removed from the display. Windows can
even overlap each other. Each window can display graphics objects and there is no limit to the number of graphics
objects that can be placed on each window. The Silver Series is capable of storing up to 1999 windows, but the actual
limit is determined by the total amount of memory used for the application.
What is an Silver Series OIT?
The Silver Series by Maple Systems are graphics operator interfaces designed to connect to PLCs in an industrial
environment. The displays are covered with analog resistive touchscreens designed for harsh industrial environments.
The touchscreens use the latest in touchscreen technology enabling the HMI programmer to create switches that are
very fine in resolution. Unlike many other touchscreen HMIs on the market, the Silver Series are not limited to a fixed
number of cells in which switches can be created. The project can contain as many switches of varying sizes and
shapes as desired, limited only by the total amount of memory available for the project.
Three LED indicators are provided on the face of the Silver Series to provide instant feedback to the HMI operator of
the current operating condition of the HMI.
LED Indicator Purpose
PWR LED (yellow) indicates if power is applied to the OIT
CPU LED (green) indicates if the OIT is operating correctly
COM LED (red) indicates communications activity on PLC port
The Silver Series have three serial ports (except the HMI5043N/T and HMI5056N), which provide a connection to a
PLC using RS-232 or RS-485 communications, and some models have an Ethernet connection for PLC communication
and project upload and download. The serial ports also provide the ability to use the EZware-5000 configuration
software in Pass-Through Mode, enabling the HMI programmer to test his project on the PLC through the HMI instead
of downloading the project to the HMI.
The Silver Series is powered using +24VDC. A reset switch is provided on the back of the HMI to reinitialize the HMI if
an operational failure occurs. The Silver Series is designed for industrial environments and carries a NEMA4/IP65
rating as well as CE compliance for noise immunity and emissions.
1010-1007, Rev. 10