Omron NT21 User Manual

3-2SectionBuzzer, Backlight, and Display Control
292
When the screen for which the buzzer attribute is not checked is displayed dur-
ing operation of the PT, the buzzer automatically stops sounding. For the proce-
dure for switching the screen, refer to 3-3-1 Switching the Screen (page 299).
Stopping the Buzzer by the Operation at the PT Control Area
This method allows the operator to stop the buzzer at any required time.
PT
Stopping the buzzer
← Control data
PC
PT status control area
Screen switch setting
Copy memory
table entry setting
PT status control setting
Reserved for system use
Words must be allocated for the PT status control area in the host. There are no
special settings 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.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
0
0
Controlled Item
Screen display
Processing priority registration (for NT link (1:N))
Continuous buzzer
Intermittent buzzer (short)
Display history initialization
Not used
Intermittent buzzer (long)
Backlight mode
Screen printing
PT window opening
Numeral/character string input
PT screen switching
Memory table copy execution
Memory table copy type
Alarm history initialization
Not used
1 (ON)
Performed
Registered
Sounded
Sounded
Performed
Sounded
Lit
Performed
Disabled
Disabled
Disabled
Performed
Numeral
Performed
0 (OFF)
Not performed
Canceled
Stopped
Stopped
Not performed
Stopped
Flashing
Not performed
Enabled
Enabled
Enabled
Not performed
Character string
Not performed
Always 0
Always 0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bits 2 and 3 are not used when the PT is in NT20S or
NT30/620 compatible mode.
Bit 7 is not supported by the NT21.
To stop the buzzer during operation of the PT, operate the PT status control area
as indicated below.
Set 0 (OFF) for all of the following bits in the fourth word (n + 3 words) from the
beginning of the PT status control area.
• Continuous sound: Bit 13
• Short intermittent sound: Bit 12
• Long intermittent sound: Bit 9
Operation
Setting
Operation

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English