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Example of a system message
RS 75
21H
RS 76
RS 77
RS 78
RS 75, error number = 21H:The error occurred in the STEP 5 user program when
RS 75, parameter type=09H: The parameter block in RS 76 to RS 78 contains
RS 76, parameter 1 = 7804H: Opcode = "GX DX", this means block type "DX".
RS 77, parameter 2 = 0064H: Block number = 100 (dec.)
RS 78, parameter 3 = 0078H: Data block length = 120 data words
Information contained in the message:
In the STEP 5 user program, data block DX 100 should be generated with a
length of 120 data words. However, this already exists.
CPU 948 Programming Guide
C79000-G8576-C848-04
09H
7804H
0064H
0078H
generating a DB/DX.
3 parameters.
Bit Assignment of the System Data Words
E F04BH
E F04CH
E F04DH
E F04EH
8 - 31
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