Serial interfaces
85
IRDH575_D00089_05_M_XXEN/01.2020
The following table gives an overview about essential alarm messages and
the assignment of the messages indicated on the display or operator panels,
e.g. PRC1470.
Message Channel Meaning
Insulation Fault 1 Insulation resistance < setting Alarm 1
Insulation Fault 2 Insulation resistance < setting Alarm 2
Connection sys-
tem
3
Connection error L1/L2 against system
Connection PE
4
Connection error /KE against PE conductor
Device error 5 Internal device error
Standby
6
Isolated from the system to be monitored, no
insulation measurement