Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 279)

Publication 1760-UM002B-EN-P - March 2005
Visualization with Pico GFX-70 5-11
The bit display is made invisible via the Boolean operand Q3. A make contact
bit logic is also used here so that invisibility is activated for as long as Q3 in the
On state. When the Reset pulse is present, only the frame of the bitmap is
visible (state of the bitmap is “off ”, bitmap is visible). The display is overlaid
partly with static text.
Figure 5.5 Bit display visible/invisible
Screen 4 - Screen 4 illustrates the activation of the bit display (negated) with
overlaid static text, exclusively via the associated variable. This screen contains
four bit display elements. These are activated in succession via Boolean
operands Q1 to Q4. A break contact bit logic is selected here. The bit display is
overlaid partly with static texts.
Figure 5.6 Break contact logic bit display with overlaid text
Screen 5 - Screen 5 illustrates the possible uses of the Visibility tab for the bit
display (negated) with overlaid static text. In this screen a bit display element
has been enlarged to the full size of the screen. This is activated via the
Boolean operand Q1 with the break contact bit logic. In this way, the bit
display takes on the opposite status of output Q1. In other words, when Q1 is
On, only the frame of the bit display is visible. However, the visibility of the bit
display is only activated with the Boolean operand Q3 as the break contact bit
logic is selected. The bit display is overlaid partly with static text.
Figure 5.7 Bit display with frame
Bits
invisible
if Q3 active!
Bits
invisible
if Q3 active!
Bit logic
break contact
Q1 Q2 Q3 Q4
Bit logic
break contact
Q1 Q2 Q3 Q4
Frame
if Q3 active!
Frame
if Q3 active!