Encoder Diagnostics - Siemens Sinamics S120 Function Manual

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Basic functions

6.17 Encoder diagnostics

Reset the energy display

Set p0040 = 1, to reset the value of parameter r0041 to 0. Parameter p0040 is then

automatically set back to 0.

Encoder diagnostics

A datalogger is available to support troubleshooting; this datalogger can localize errors in the

encoder evaluation.

Commissioning

Set parameter p0437.0 = 1 to activate this function.

The datalogger is automatically active as soon as the current controller time is slower than

Principle of operation

The datalogger reads out several internal signals of the encoder evaluation, which serve as

basis for the actual value generation. A change in the fault state serves as trigger for the

recording. Data is recorded a short time before the fault state as well as afterwards.

The diagnostics data is saved on the memory card in the following directories:

/USER/SINAMICS/DATA/SMTRC00.BIN

/USER/SINAMICS/DATA/SMTRC07.BIN

/USER/SINAMICS/DATA/SMTRCIDX.TXT

The following information is contained in the index file (SMTRCIDX.TXT):

● Displaying the last written BIN file

● Number of still possible write operations (from 10000 downwards).

BIN files can only be evaluated by Siemens.

Alarm A3x930

off the system during this time.

is output while diagnostics data is being actively recorded. Do not switch

x = encoder number (x = 1, 2 or 3)

Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2

Drive functions

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