Omron NT - SUPPORT TOOL FOR WINDOWS V4 Operation Manual page 302

Bit Memory Table
Items set to use the alarm function
Switch Screen (only for NT30, NT30C, NT620S, NT620C, and NT625C)
To make the screen switching function valid, click on the check box to display a
check mark in it. If you click on the check box when it already has a check mark in
it, the check mark is cleared and the screen switching function is made invalid.
For the NT21, NT31, NT31C, NT631, and NT631C, whether or not the screen
switching function is used is determined by the setting for [Function].
Screen No.
Specify the screen No. of the screen to which the screen switches when the bit
memory table entry goes ON.
To use the alarm function, follow the procedure below.
(1) Input PLC address directly on a PLC address field on a bit memory table
entry or click on
log. (Refer to Word setting for an element on page 127). Input I/O comment if
required.
(2) Click on
(3) Select "Alarm" or "Alarm/Switch Screen" from function combo box.
Setting items for Alarm function are displayed.
(4) Make the settings for the alarm function. (See below)
S Settings to make at Set dialog
PLC Address
Specify the bit in a PC (PLC) whose status is reflected by the bit memory table
entry.
I/O Comment
S Specify a comment for a PC (PLC) bit.
A comment can comprise up to 16 characters.
S Settings to make at Function dialog
Function
Select [Alarm/Switch Screen] for NT30, NT30C, NT620S, NT620C, and
NT625C, and select [Alarm] for the NT21, NT31, NT31C, NT631, and NT631C.
Switch Screen
The meaning of the [Switch Screen] setting differs between the NT30, NT30C,
NT620S, NT620C, and NT625C and the NT21, NT31, NT31C, NT631, and
NT631C.
S NT30, NT30C, NT620S, NT620C, and NT625C
To use the alarm function, the check box must not have a check mark set in it. If
it does, the screen switching function is selected.
S NT21, NT31, NT31C, NT631, and NT631C
To display the specified screen by the operation of an alarm list/history ele-
ment, set a check mark in the check box. Clear the check mark in the check box
in order not to display the specified screen.
Screen No.
The message area displayed in the alarm list/history element is a touch switch
and pressing the touch switch that is in the selected state displays the specified
screen.
and input PLC address on a PLC address dia-
to display function dialog.
Section 7-4
289