Lenze 931E/K Small Drives Control - Manual (Page 124)

Troubleshooting and fault elimination
Error monitorings in the 931E/K
Other internal monitoring functions
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124 SW−HB 13.0002−EN 4.1
9.1.7 Other internal monitoring functions
ƒ Memory test / checksums:
The check sum calculation and the processor stack are used to monitor the internal
FLASH memory (program and data flash).
ƒ Operating mode:
Depending on the operating mode, specific monitoring functions will be activated.
ƒ Communication:
Communication via the serial interface and the fieldbus (CANopen) is monitored.
9.1.8 Elapsed time meter
The 931E/K servo positioning controller is equipped with an elapsed time meter. Use the
SDC parameterisation software, open the menu Info
W Info and select the Times tab to
display the elapsed time meter.
The current status of the elapsed time meter will be saved once a minute in the internal
flash. This may lead to deviations of up to 60 seconds after a reset or power−on.