Siemens SINUMERIK 840Di Diagnostic Manual page 724

Overview of Alarms
SIMODRIVE alarms
300715 Axis %1 drive %2 maximum power section current less than or equal to
zero
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The maximum current of the power section entered in drive MD 1107:
$MD_INVERTER_MAX_CURRENT (transistor limit current) is less than or equal to zero.
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.
Remedy: Please inform the authorized personnel/service department. Reset the drive (delete the bootfile) and
repeat the startup.
Program Switch control OFF - ON.
Continuation:
300716 Axis %1 drive %2 torque constant less than or equal to zero
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: 1. The value in drive MD 1113: $MD_TORQUE_CURRENT_RATIO (torque constant) is less than or
equal to zero.
2. The ratio of MD1113: $MD_TORQUE_CURRENT_RATIO (torque constant) / MD1112:
$MD_NUM_POLE_PAIRS (motor pole pairs) is greater than 70.
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.
Remedy: Please inform the authorized personnel/service department.
For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
For third-party motors: Enter a valid value in drive MD 1113: $MD_TORQUE_CURRENT_RATIO
(torque constant), or check and, if necessary, correct the ratio of MD1113:
$MD_TORQUE_CURRENT_RATIO (torque constant) / MD1112: $MD_NUM_POLE_PAIRS (motor
pole pairs).
Program Switch control OFF - ON.
Continuation:
2-724
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006