Siemens CPU 948 - Page 237

Error information
Testing the user memory
System data word Error information
RS 75 error no. 640CH testing the word memory
error no. 650CH testing the byte memory
RS 76 test pattern in which the error occurred
RS 77 incorrect address, high
RS 78 incorrect address, low
Testing the BASP signal
System data word Error information
RS 75 error no. 6700H
RS 76 FFFFH
RS 77 FFFFH
RS 78 FFFFH
Testing the hardware clock
System data word Error information
RS 75 error no. 6800H
RS 76 FFFFH
RS 77 FFFFH
RS 78 FFFFH
Testing cycle time monitoring
System data word Error information.
RS 75 error no. 6600H
RS 76 FFFFH
RS 77 FFFFH
RS 78 FFFFH
Self-Test
CPU 948 Programming Guide
C79000-G8576-C848-04
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