Siemens SINUMERIK 840Di Diagnostic Manual page 709

11/2006
300511 Axis %1 drive %2 measuring function active
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The measuring function (e.g. frequency response measurement was active during the switching on
operation (power supply start-up active). Illegal activation of the measuring function may have
occurred internally.
Reaction: NC not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: - Stop the measuring function
- NCK reset
Program Switch control OFF - ON.
Continuation:
300512 Axis %1 drive %2 direct feedback recognized
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The current rotor position and the position information read out by the encoder on ramp-up were
compared with each other and a deviation of more than 45 degrees was found.
Reaction: NC not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: - The deviation points to a local contamination of the encoder or an erroneous or loose encoder
assembly. The encoder must be examined accordingly.
Operation may commence again only after successful error correction as there is a risk of
uncontrollable movements!
- NCK reset
Program Switch control OFF - ON.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
SIMODRIVE alarms
2-709