Omron NT21 User Manual

5-1SectionExamples of Actual Applications of Direct Access
403
(2-3-3 Bit Memory Table, page 83). After checking the error at the equipment,
one of the following methods must be used to return to the screen that was dis-
played before the error occurred: using a touch switch with the switch screen
function (page 131), writing a screen number to the control area (page 53), or
switching the screen by using a bit memory table entry (page 83).
Changing Display Contents in Accordance with PC Bit Status
Changing the status of a graphic depicting the opening and closing of a valve in
accordance with the status of one PC bit.
0
ON/OFF
OFF
ON
Bit
OFF state
ON state
1
PCPT
1, 2, 3... 1. Create figures depicting the valve when open (A in the figure below) and the
valve when closed (B in the figure below), either by using library data (fixed
display graphic) or image data (comprised of dots).
AB
2. Register image/library data set as indicated below for the screen.
• OFF State, Code:
Check mark set, code of the figure depicting the closed valve created in (1)
• ON State, Code:
Check mark set, code of the figure depicting the open valve created in (1)
• PC Address:
Number of the bit used to change between the figures
When the displayed character string is changed in accordance with the status of
one PC bit
0
ON/OFF
OFF
ON
Bit
OFF state
ON state
1
TRANSPORTING
TRANSPORT
OVER
PCPT
Register a normal lamp for the screen with the following settings.
Example:
Example:

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English