Screen Display And Notification - Omron NT31C Reference Manual

Screen Display and Notification

3-3 Screen Display and Notification
Reference: The methods of controlling PT status that are described below are not correct for
3-3-1 Switching the Screen
Switching the Screen by the Operation at the PT Status Control Area
Setting
Operation
15 14 13 12 11 10 9
Word
n
n + 1
n + 2
n + 3
n + 4
This section describes the each procedure for changing and checking the
screen displayed by the PT.
PTs in NT30/620 compatible mode. Refer to Appendix C for details on the
NT30/620 compatible mode (page 441).
The PT provides the following four methods for switching the screen.
• Operation at the PT status control area
• Pressing a touch switch that has the Switch Screen function
• Using the screen switching function in the bit memory table
• Using the screen switching function of the alarm list/history function
With this method, the screen can be switched to the required screen at the re-
quired time by the command given by the host.
PT
Designated screen
The PT status control area must be allocated to a word in the host, accordingly,
no special settings are required for the control of buzzer.
At the beginning of the PT status control area (word n), there is an area (screen
switch setting area) for the screen switching command and screen number noti-
fication.
8 7 6 5
Screen No. (4-digit BCD or hexadecimal)
Copy source memory table No.
(4-digit BCD or hexadecimal)
Copy destination memory table No.
(4-digit BCD or hexadecimal)
PT status control bits
Reserved for system use
The configuration and functions of these words are
different when the PT is in NT30/620 compatible mode.
To switch the screen, operate the PT status control area as indicated below.
Write the screen number of the screen to be displayed at the beginning of the PT
status control area (word n) either in 4-digit BCD or 4-digit hexadecimal. Which
of the BCD or hexadecimal notation should be used is set for Numeral Storage
Type of Tools – PT Configuration – System with the Support Tool.
The screen numbers that can be set are:
• 0000:
No display (screen off)
• 0001 to 3999:
Screen No. 1 to No. 3999
PC
PT status control area
Screen switch setting
Copy memory
table setting
PT status control setting
Reserved for system use
4 3 2 1 0
Bit
Screen switch setting
Copy memory table
setting
PT status control
Section 3-3
← Screen number
289