Siemens SINUMERIK 840D Diagnostics Manual page 679

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SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition

Incorrect address

When the data memory was being tested during power-up, it was detected that the written

bitmap could not be read back.

Cause: Hardware error on control module.

Replace the control module.

Computing time overrun

1 = Bit 0 : Level 3 time slice (MONCYC) (MD 1300)

2 = Bit 1 : 4 msec time slice

4 = Bit 2 : 1 msec time slice

8 = Bit 3 : PC time slice

10 = Bit 4 : SC time slice

20 = Bit 5 : IC time slice

40 = Bit 6 : SI time slice

A0 = Startup, synchronization

B0 = Background computing time

The computing time of the drive processor is no longer sufficient for the selected functions

in the specified cycle times. This error normally only occurs in conjunction with startup

functions in the case of default values (FFT measurement, step response). SINUMERIK

Safety Integrated: Monitoring cycle too short.

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