Omron NT21 User Manual

Appendix ASpecifications
433
Element Element Coefficient
Recipe 1 + number of lines in name field + number of lines in parameters field + number of
dedicated touch switches
Bar graphs 1
Analogue meter 1
Broken line graphs 1
Trend graphs 1 + number of dedicated touch switches
Alarm lists 1 + number of display lines + number of dedicated touch switches
If image/library data is displayed, the total is increased by another 64.
Alarm histories 1 + number of display lines + number of dedicated touch switches
If image/library data is displayed, the total is increased by another 64.
Special Features
Item Specifications
Buzzer Three kinds of buzzer sound (continuous, short intermittent, and long intermittent)
Sound: On reception of a command from the host, display of a screen with a
buzzer setting, or display of an error screen such as for a receive error.
Stop: On reception of a command from the host, or display of a screen with
no buzzer setting.
Setting: Set ON for Buzzer Sound in the memory switch menu, or set ERROR
ON for the buzzer to sound only when an error occurs.
The buzzer sounds three times in response to prohibited input.
Touch switch input sound Touch switches
Input sound: Sounding for 0.2 seconds
Setting: Set ON for the Key Press Sound in the memory switch menu.
Maintenance function - Memory switch setting
- Self-test functions, such as for the memory and external interface
- Setting condition confirmation function
- Communication check function
- Initialization of internal memory data
- Display of display/alarm history data
- Registered data test display function
Battery backup
(The Battery is an option for the
NT21.)
- Backup of numeral/character string memory table data in the PT
- Backup of display/alarm history data
- Backup of recipe tables
- Backup of calendar and clock setting (NT31/NT31C and NT631/NT631C only)
Battery life: 5 years (at 25C)
When voltage becomes low: RUN indicator lights in orange or red
The communication flag to the PC (BAT LOW) comes
ON (1).
Resume function
(A battery is required.)
Retains the contents of the numeral/character string memory table entries (i.e., they
are not initialized) when the power is turned ON, when the PT is reset, and when the
operation mode is changed.
Setting: Set ON for Resume Function in the memory switch menu.
Function for adjusting brightness
and contrast during PT
operation
Display the brightness and contrast adjustment screen (screen number 9030), and
perform the adjustments.
Displaying the screen: Switch screens using the touch switches, or specify the
display screen using the PT status control area.

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English