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Toshiba TR PMIU User Manual
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1549999....4444 Alarm functionAlarm functionAlarm functionAlarm function9999....4444....1111 OverviewAlarm is a function to display the Alarmmessage (Maximum 40 characters) in Alarmobject when a specific bit (Alarm bit) isturned ON.Detailed setting is set in “Alarm” folder inProject information.There are 2 types of alarms, Real time and Historical.・ Real time alarmAlarm data is not backed up. If unit power is off, alarm data is lost.Even if alarm bit is ON two or more times, only one message is displayed (same message is not displayed twice).Only the alarm that alarm bit is ON now is displayed. All models can use this alarm.・ Historical alarmAlarm data of 2700 or less are backed up by battery. If unit power is off, data is not lost.When you select “History Without Acknowledge” option, if alarm bit is turned ON two or more times, messagefor the frequency turned ON remains. User can count the frequency to which the alarm bit is turned ON. Thisalarm can use only TR PMIU0300A/0500AAlarm uses tag (2byte register tag existing in unit) for Alarm register. Each bit of register is set to alarm bit (so,1 alarm register can set to 16 alarms). These bits are called Alarm trigger bit. You can define 16 or less alarmregister, so you can define 256 or less different kind of alarms.You should implement the mechanism to turn ON alarm trigger bits when the alarm activation condition is met.Alarm is correspond to multi language, you can change alarm message according to the value of SW 0001(Language). Refer 3.6.Setting areaAlarm |
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