Ice NP900 Series, Инструкция по применению

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Application Guide - NP900 Series 499 (504
)
A996A
Figure 3.7.7.2-11 Digital inputs assigned as alarm activating signals.
Assign digital inputs or logical outputs into alarms by clicking on the matrix. When the
matrix is done it must be sent to the relay for the changes to take effect (Commands

Write to relay

Logic

Write).
When the signal assigned into an alarm activates the alarm text will be displayed in the
Alarms-view in the relay HMI. If the alarm signals ON state has been checked in Event
Mask, ALARM ON-event will be also recorded with a timestamp into Event History. These
alarms will also be reported in communication protocol, if one is in use.
Active alarms will be displayed in the Alarms-display with continuously lit LED. When the
signal that has activated the alarm has already been disabled alarm will persist until it has
been cleared in the HMI. This kind of alarm will be displayed with a blinking LED in the
Alarms-display.
3.7.7.3 C
LEARING THE ACTIVATED ALARMS
An individual activated alarm can be cleared by highlighting the alarm in the mimic and
pressing the -button in the relay front panel which leads to a menu with commands.
Table 3.7.7.3-294 Available commands when an alarm has been selected in Alarm-view.
Command Description
Clear Clears the selected alarm (if activating signal is off)
Clear all Clears all alarms
Mute buzzer Mutes buzzer
Back Goes back to Alarms-view
Alarms can be also with the “Clear all alarms” signal. In the example below digital input 4
has been connected to a physical push button to clear all alarms.