A-ISOMETER® IRDH375 IRDH375B - Bender

Operation and setting5.3 Menu HISTORY INFO (IRDH375B)99 events with date and time stamp can be stored in the memory database.The database is designed as a ring memory, i.e. the eldest entry is overwritten.Data is written into a non-volatile memory and therefore provides protectionagainst voltage failure.Data record EventDisplay indication1 Switch the supply voltage on Power On2 Lowest measured insulation value Rmin3...99 Response value Alarm 1 released Alarm13...99 Response value Alarm 1 cleared Alarm13...99 Response value Alarm 2 released Alarm23...99 Response value Alarm 2 cleared Alarm23...99 Error system connection released System connection?3...99 Error system connection cleared System connection?3...99 Error PE connection released PE connection?3...99 Error PE connection cleared PE connection?3...99 Device error released Device error3...99 Device error cleared Device error3...99 System reset (watchdog) System resetBefore storing the events with the actual date and time stamp, set thereal-time clock in the ISO ADVANCED menu (refer to page 47).The following function keys are provided to query data from the "HISTORYINFO" menu: the UP/DOWN keys to change the data record number, the EN-TER key to change from the data record number to the menu item "Clearall:on" to delete the memory storage, and the ESC key to leave the menu.A new entry into the memory is signalled with an "H" on the display in thestandard mode. The "H" will be deleted as soon as the "HISTORY INFO"menu is called up.40 TGH1352en/11.2004