6
OPTIMASS
1
INTRODUCTION
1.1 General
These Instructions are supplementary to the “MFC300 (OPTIMASS) Handbook”. You must follow
that handbook in particular the Safety Information These Supplementary Instructions provide
additional information for device operation and connection to a PROFIBUS fieldbus.
1.2 Items included with supply
In addition to the standard scope of supply, these Supplementary Instructions for the MFC300
PROFIBUS RS-485 Interface will be included.
1.3 Special Notes
•
Don’t switch off (power off) the MFC300 immediately after manual change of parameter val-
ues:
•
Please wait approx. 10 seconds before you switch off the MFC300 after you have done
both a parameter download via PROFIBUS or a manual change of a parameter value
via the local display.
•
Please wait approx. 15 sec before you switch off the MFC300 after you have carried
out a “Factory Reset” (PROFIBUS “Coldstart”) via PROFIBUS or local display.
•
“Deactivation of the Service Parameter Lock” of the MFC300 via PROFIBUS:
•
After writing down the service password (via PROFIBUS) the “Deactivation of the
Service Parameter Lock” will last at least 10 min. if the internal password timer of
the MFC300 won't be retriggered by writing this password again. The “Deactivation of
the Service Parameter Lock” will be terminated at once by a PROFIBUS Cold-/Warm-
Start or if the internal password timer of the MFC300 elapsed.
