INTER RSIG
FAIL
WARNING
TSYN CERR
RTC ER R
STUPBLK
IEC09000787-2-en.vsdx
IEC09000787 V2 EN
Figure 498: INTERRSIG function block
20.5.3 Signals
Table 832: INTERRSIG Output signals
Name Type Description
FAIL BOOLEAN Internal fail
WARNING BOOLEAN Internal warning
TSYNCERR BOOLEAN Time synchronization error
RTCERR BOOLEAN Real time clock error
STUPBLK BOOLEAN Application startup block
20.5.4 Settings
The function does not have any parameters available in the local HMI or PCM600.
20.5.5 Operation principle
The self-supervision operates continuously and includes:
• Normal micro-processor watchdog function.
• Checking of digitized measuring signals.
• Other alarms, for example hardware and time synchronization.
The self-supervision function status can be monitored from the local HMI, from the
Event Viewer in PCM600 or from a SMS/SCS system.
Under the Diagnostics menu in the local HMI the present information from the self-
supervision function can be reviewed. The information can be found under Main
menu/Diagnostics/Internal events or Main menu/Diagnostics/IED status/
General. The information from the self-supervision function is also available in the
Event Viewer in PCM600.
A self-supervision summary can be obtained by means of the potential free alarm
contact (INTERNAL FAIL) located on the power supply module. The function of this
Section 20 1MRK502052-UEN B
Basic IED functions
1098
Technical manual
To Next Page
Loading...
