Siemens SINUMERIK 840D Diagnostics Manual page 601
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10.04
Definitions:
Reactions:
Remedy:
Program Continuation:
300783
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
The value in MD 1139: $MD_STATOR_LEAKAGE_REACTANCE (stator leakage reac-
tance) or MD 1140: $MD_ROTOR_LEAKAGE_REACTANCE (rotor leakage reactance) or
MD 1141: $MD_MAGNETIZING_REACTANCE (magnetizing reactance) is less than or
equal to zero.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
- 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.
Please inform the authorized personnel/service department.
• For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
• For third-party motors: Check and, if necessary, refer to the motor data sheet to correct
MD 1139: $MD_STATOR_LEAKAGE_REACTANCE (stator leakage reactance) or MD
1140: $MD_ROTOR_LEAKAGE_REACTANCE (rotor leakage reactance) or MD 1141:
$MD_MAGNETIZING_REACTANCE (magnetizing reactance).
Clear alarm with the RESET key in all channels. Restart part program.
Axis %1 drive %2 rotor resistance invalid
%1 = NC axis number
%2 = Drive number
The value in drive MD 1138: $MD_ROTOR_COLD_RESISTANCE (cold rotor resistance)
is less than or equal to zero or a format overflow has occurred.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
- 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.
Please inform the authorized personnel/service department.
• For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
• For third-party motors: One of the following machine data may contain an invalid value:
• Modify MD 1001: $MD_SPEEDCTRL_CYCLE_TIME (speed controller cycle)
• Modify MD 1134: $MD_MOTOR_NOMINAL_FREQUENCY (rated motor frequency)
• Modify MD 1138: $MD_ROTOR_COLD_RESISTANCE (cold rotor resistance)
• Modify MD 1139: $MD_STATOR_LEAKAGE_REACTANCE (stator leak reactance)
• Modify MD 1140: $MD_ROTOR_LEAKAGE_REACTANCE (rotor leakage reactance)
• Modify MD 1141: $MD_MAGNETIZING_REACTANCE (magnetizing reactance)
Fulfill the condition according to the following formula:
16 * P1001 * 0.00003125 * P1138 * 2PI * P1134 / (P1140 + P1141) < 1
Call the SIEMENS AG, SIMODRIVE Hotline.
Clear alarm with the RESET key in all channels. Restart part program.
1 Alarms
1-601
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