04/96
Siemens AG 2001 All rights reserved 6FC5198–jAB40
2–4
SINUMERIK 840C / SIMODRIVE 611–D (DA)
Operational and
user errors
Dynamic system monitoring
70 Check sum error in RAM for OB, FB, DB, FX, SB, PB *)
71 Check sum error in EPROM for OB, FB, DB, FX, SB, PB *)
72 RAM error in user data memory
73 RAM error in system data memory
Cyclic system monitoring
74 NC (master) CPU in the system failed
75 PLC CPU in the system failed
76 Reserved for 840
77 Reserved
W 78 PLC STOP by request from programmer
W 79 PLC STOP by operating mode switch
W 7A Reserved for 840
W 7C No ready signal from interface DMP or interface PLC or 135 WD
S Interface may be blocked
S Connector missing
Error messages from
interrupt routines
System errors
80 Division error
81 Overflow error
82 “Array Bounds” error
83 Incorrect OP Code
84 Error in ESC-OP code
85 Non-interpretable interrupt (NII)
86 Error in the save routine (SAVE-UP)
87 Stack overflow
88 Semaphore buffer overflow
89 Semaphore buffer not reached
8A Addressing error by access to an input/output not existing in the process image
Timeouts
90 Unassigned
91 Unassigned
92 Timeout with buffered access to link/local bus *)
93 Timeout with system program processing *)
94 Timeout with LIR/TIR commands *)
95 Timeout with TNB/TNW commands *)
96 Timeout with LPB/LPW/TPB/TPW commands *)
97 Timeout with a substitution command *)
2 Diagnostics on the PLC
2.1 Error numbers (ACCU 3 high byte, DB 1 DW 160)
*) Additional information is given on this error in additional fields (see Section 2.2)
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