Overview of Alarms 08/2005
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© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
• Modify MD 1631: $MD_LINK_VOLTAGE_GEN_ON (response voltage for generator
axis) or
• Modify MD 1630: $MD_LINK_VOLTAGE_MON_THRESHOLD (response threshold for
DC link monitoring).
Program Con-
tinuation:
Alarm display showing cause of alarm disappears. No further operator action necessary.
300860 Axis %1 drive %2 generator mode: emergency retraction speed > max. motor speed
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The value entered for the emergency retraction speed in MD1639:
$MD_RETRACT_SPEED (emergency retraction speed) is greater than MD1146:
$MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed).
Reactions: - Interface signals are set.
- Alarm display.
Remedy: Please inform the authorized personnel/service department.
• Modify MD 1639: $MD_RETRACT_SPEED (emergency retraction speed) or
• Modify MD 1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed).
Program Con-
tinuation:
Alarm display showing cause of alarm disappears. No further operator action necessary.
300861 Axis %1 drive %2 generator mode: minimum axis speed > max. motor speed
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The value in MD1635: $MD_GEN_AXIS_MIN_SPEED $MD_GEN_AXIS_MIN_SPEED
(minimum generator axis speed) is greater than the value in MD1146:
$MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed).
Reactions: - Interface signals are set.
- Alarm display.
Remedy: Please inform the authorized personnel/service department.
• Modify MD 1635: $MD_GEN_AXIS_MIN_SPEED generator axis) or
• Modify MD 1146: $MD_MOTOR_MAX_ALLOWED_SPEED (maximum motor speed).
Program Con-
tinuation:
Alarm display showing cause of alarm disappears. No further operator action necessary.
300862 Axis %1 drive %2 emergency retraction mode/generator mode already active
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: Emergency retraction or generator mode already active.
Reactions: - Interface signals are set.
- Alarm display.
Remedy: Please inform the authorized personnel/service department. Check parameteriza-
tion/machine data.
Program Con-
tinuation:
Alarm display showing cause of alarm disappears. No further operator action necessary.
300863 Axis %1 drive %2 emergency retraction mode/generator mode invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: Value specified by the NC via a G command must be in the range 0 to 7.
Reactions: - Interface signals are set.
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