ABB Relion 670 Series RES670, Technical Manual

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20.5.3 Signals
Table 588: 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
DISABLE BOOLEAN Application Disable
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 or from the
Event Viewer in PCM600.
Under the Diagnostics menu in the local HMI, the actual 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.
1MRK 511 365-UUS A
Section 20
Basic IED functions
Phasor measurement unit RES670 2.1 ANSI 709
Technical manual