7
7.3 List of faults and warnings
7-683
Siemens AG 2005 All Rights Reserved
SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
743 Function not possible with this control module
Cause ”
Remedy ”
Acknowledgement POWER ON
Stop response STOP II (SRM, SLM) STOP I (ARM)
744 Motor changeover only permissible for the closed-loop
speed controlled mode
Cause Motor changeover (P1013) may only be activated in the closed-loop
speed controlled mode (P0700 = 1).
Remedy – Inhibit motor changeover (P1013 = 0)
– Change over into the closed-loop speed controlled mode (P0700 = 1)
Acknowledgement POWER ON
Stop response STOP I
749 Speed measuring range is not sufficient
Cause The maximum speed which can be achieved with speed feedback can-
not be measured using the module.
Remedy – Parameterize the encoder type corresponding to the type of motor
and the control module.
– Synchronous motor: P1147 * resolver pole pair number must be less
than the limiting frequency of the control module (12 bit: 25402 RPM;
14 bit: 6350 RPM).
Induction motor : min ( P1146, P1465 ) * resolver pole pair number
must be less than the limiting frequency of the control module (12 bit:
25402 RPM; 14 bit: 6350 RPM).
Acknowledgement POWER ON
Stop response STOP II (SRM, SLM) STOP I (ARM)
751 Speed controller gain too high
Cause P gain, speed controller for the lower speed range (P1407) and the up-
per speed range (1408) were selected to be too high.
Remedy Reduce the P gain of the speed controller.
Only optimized with the adaption disabled (P1413 = 0). The P gain
(P1407) is then effective over the complete speed range. After the opti-
mum setting has been found, adaption can be re-enabled (P1413 = 1)
and the P gain optimized for the upper speed range (P1408).
Acknowledgement RESET FAULT MEMORY
Stop response STOP II (SRM, SLM) STOP I (ARM)
7 Fault Handling/Diagnostics
04.05
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