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09.95 7 Drive Machine Data (SIMODRIVE Drive MD)
7.2.2 FDD MD (data description - SW 3)
Note:
This machine data is calculated only once during ramp-up; its value cannot therefore be
changed during operation.
CRC diagnosis parameter
1720
Default value Lower output limit Upper output limit Units
0000 0 FFFF Hex
Active
at once
This machine data is used to display detected CRC errors (cyclical redundancy check). The
counter information is output with every read request and is 5 bits in width (bit 4...bit 0 or
counter reading 0...31).
Note:
It cannot be guaranteed in all cases that the CRC error is assigned to the appropriate drive.
When the address is faulty, the "wrong" module indicates the error.
Data version
1797
Default value Lower output limit Upper output limit Units
0 0 32 767 –
Active
at once
Output of current data version (machine data list).
Firmware date
1798
Default value Lower output limit Upper output limit Units
0 0 32 767 –
Active
at once
Output of coded software version in decimal format. The date is coded as such: DDMMY,
where DD stands for day, MM for month and Y for the last number in the year.
Example: 01.06.1993 ˆ= 01063
dec
Firmware version
1799
Default value Lower output limit Upper output limit Units
0 0 32 767 –
Active
at once
Output of current software version (configuration management).
©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50 7–73
SINUMERIK 840C (IA)
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