7SG11 Argus 8 Commissioning
•
Check that all relays have unique addresses.
Status inputs do not work.
•
Check that the correct DC voltage is applied and that
the polarity is correct.
•
Check that the status input settings such as the
Pick-up and Drop-off timers and the status inversion
function are correctly set.
Relay instrument displays show small voltages
even though the system is dead.
•
This is normal. The relay is displaying calculation
noise. This will not affect any accuracy claims for the
relay.
If the above checklist does not help in correcting the problem please contact your nearest Reyrolle
representative.
©2010 Siemens Protection Devices Limited
Chapter 7 Page 10 of 12