Please refer to the Settings Guide for details.
19.10.1.3 Alarm (Block 1) Settings Guide - Word Monitoring
19.10.2.1 Show History - Basic Settings/Basic
For details on how to draw parts, and defining the address, shape, color, and labels, please see Editing Parts.8.6.1 Editing Parts
When the alarm value is written to the Monitoring Word Address, the alarm is displayed together with the trigger date/time. When a value other than the alarm value is written, the recovery time is added to the same row.
From the [Common Settings (R)] menu, select [Alarm (A)], or click 
. The following screen appears. In [Language], select the alarm message display language.
In the Block Settings, select the check box for the desired display mode (History/Log/Active) for the block to which the message is registered, and set the number of messages stored as history for each mode.
Select [Backup History] and define [Hide Continuing Alarms].
When the [Backup History] check box is not selected, the alarm history data will be erased when the display unit is turned OFF or reset.
Open the [Block 1] tab, and select [Word Monitoring].
In [Data Type], select the data type of the [Alarm Value] to store in [Word Address].
[Sign +/-] can only be set when the [Data Type] is [DEC].
In [Word Address], set the Word Address to monitor the alarm trigger.
Click the [Trigger Condition] cell, then click 
. The [Trigger Condition Settings] dialog box appears.
Select the bit length, set [Alarm Value], and click [OK].
In the [Message] cell, input the alarm message that will display when the alarm is triggered.
Up to 160 single-byte characters can be registered in a single Alarm Message.
When the [Enable Text Table] check box is selected, the message language can be switched and displayed even while the system is running.17.4 Changing a Text's Language (Multilanguage)
Alarm settings can be exported or imported in CSV format.
Open the screen, and set the Alarm that will display the History. In the [Parts (P)] menu, select [Alarm (A)], or click 
and place the Part on the screen.
Double-click the placed Alarm. The Alarm dialog box appears.
For the alarm, select the Block and the Display Mode.
Set the [Display Start Row], [Display Alarms] and [Display Row Spacing].
As needed, use the [Item] tab, [Color] tab, and [Display] tab options to change alarm message's number of display characters, text color, background color, font, and size. Click [OK].
You can set up 2048 alarm messages (32767 if you select [Alarm settings]- [Common Settings] - [Alarm Type] - [Extended] ), but on the display unit, you can record up to 768 History, Log and Active alarm messages in memory. When using the IPC, you can set up 10000 alarm messages. At run time, the IPC can record up to 10000 messages.
When using multiple blocks, the total Alarm Messages that can be set for all blocks is 768.19.7 Viewing Alarms by Line
The Monitoring Bit Address and Monitoring Word Address must be set within 256 Words of the Alarm Message (History).
The maximum number of characters on one line and lines on one screen are decided by the type of display unit and [Size].
If your message is wider than the display area, the portion that exceeds the area is truncated and is not displayed.
For [Word Monitoring], if the alarm value stored in the [Word Address] fluctuates frequently, the alarm will be triggered often.
