Siemens SINUMERIK 840D sl Series Diagnostics Manual page 844

Overview of Alarms
• If P1075=3
• Re 1.
• The motor was not properly connected.
• The power connection of the motor must be checked.
• Re 2.
• Remove disturbing external forces (e.g. axis couplings not released)
• Identification procedure must remain stable (P1076 must be reduced)
• Use encoder with higher resolution
• Improve encoder attachement (not rigid enough)
• Re 3.
• Remove disturbing external forces (e.g. axis couplings not released)
• The axis must move freely (e.g. motor not stalled)
• Reduce high axis friction (increase P1019)
• Only SIMODRIVE POSMO SI, CD, CA
• If P1075=1
• Increase current via P1019
• Check on armature inductance (P1116) and increase if necessary.
• Check motor/converter connection cable (phase missing)
• Check on motor protection.
• DC link voltage available?
• Exchange drive module
• If P1075=3
• Re 1.
• The motor is not properly connected.
• The power connection of the motor must be checked.
• Re 2.
• Remove disturbing external forces (e.g. axis couplings not released)
• Identification procedure must remain stable (P1076 must be reduced)
• Use encoder with higher resolution.
• Improve encoder attachement (not rigid enough).
• Re 3.
• Remove disturbing external forces (e.g. axis coupling not released).
• The axis must move freely (e.g. motor not stalled).
• Reduce high axis friction (increase P1019)
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
300611
Axis %1 drive %2 generator mode: Motion at rotor position identification
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: During the measurement, the motor has turned by more than the permissible value
entered in MD1020: $MD_MAX_TURN_ROTORPOS_IDENT (maximum rotation of the
rotor position identification). The rotation can be caused by switching on a rotating motor
or by the identification itself.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
Reactions: - Mode group not ready.
- The NC switches to follow-up mode.
- Channel not ready.
- NC Start disable in this channel.
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005