Omron NT31 Operation Manuals page 487

Buzzer, Backlight, and Display Control
Turning off the Screen by the Operation at the PT Status Control Area
[Setting]
[Operation]
15 14 13 12 11 10 9
0
476
This method makes it possible to turn off the screen at any required time.
Turning off the 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.
The bit for controlling the PT status (PT status control bit) is provided at the fourth
word (n + 3 words) from the beginning of the PT status control area.
8 7 6 5 4 3 2
To turn off the screen during operation of the NT31/NT31C, operate the PT status
control area as indicated below.
(1) Set "0" (OFF) for bit 15 in the fourth word (n + 3 words) from the beginning of
the PT status control area.
NT31/NT31C
1 0 Bit
0
15 Screen display
14 Processing priority registration (for NT link (1:N))
13 Continuous buzzer
12 Intermittent buzzer (short)
11 Display history initialization
10 Not used
Intermittent buzzer (long)
9
Backlight mode
8
7 Screen printing
6 PT window opening
5 Numeral/character string input
4 PT screen switching
Memory table copy execution
3
Memory table copy type
2
Alarm history initialization
1
Not used
0
PC
PT status control area
Screen switch setting
Copy memory
table setting
PT status control setting
Reserved for system use
Controlled Item
Section 8-2
← Control data
1 (ON) 0 (OFF)
Performed Not performed
Registered Canceled
Sounded Stopped
Sounded Stopped
Performed Not performed
Always "0"
Sounded Stopped
Lit Flashing
Performed Not performed
Disabled Enabled
Disabled Enabled
Disabled Enabled
Performed Not performed
Numeral Character string
Performed Not performed
Always "0"