
11 Alarms 09.91
11.7 RS232C (V.24) Alarms
Effect:
Explanation:
28
Circ. buffer overflow RS232C (V.24)
• RS232C (V.24) transmission interrupted
• Last blocks declared invalid
The signalling rate is so high that the number of characters read in
exceeds the number that can be processed by the NC.
When the program is re-transmitted, the defective program must first
be erased.
• RTS signal has no effect at input device (RTS initiates
input device STOP)
• Signalling rate (baud rate) too high
Cause:
Effect:
Remedy:
29
Block> 254 char. RS232C (V.24)
The block read in has more than 254 characters. All input characters
(e.g. blanks) are also included.
• RS232C (V.24) transmission interrupted
• Last block not stored
Split block into two or more blocks.
Cause:
Effects:
Remedy:
30
PP memory overflow RS232C (V.24)
The maximum storage area for the part program
is occupied.
• Data transmission interrupted
• Last block not stored
Erase old programs and reorganize memory.
Cause:
Effect:
Remedy:
27
Data input disabled RS232C (V.24)
One of the following was read in in normal mode:
• NC/PLC-MD without active password
• PLC program (PCP), PLC alarm texts (only possible in overall reset
mode)
In overall reset mode PLC alarm texts were read in and
NC MD 5012.7=0.
No data stored.
Correct the conditions.
11–14 © Siemens AG 1990 All Rights Reserved 6ZB5 410-0DL02
SINUMERIK 810 GA3/820 GA3 (IA)
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