Siemens SINUMERIK 805 Operating Instructions Manual page 200

8 Monitoring
8.3.3 List of alarms
06.90
16
Parity
error
RS 232 C
-
RS 232 C transmission interrupted
-
Last block declared
invalid
Alarm can only occur if parity is selected.
The
character commenced has
incorrect
parity.
The alarm has nothing to do with character parity errors RS 232
C
in
ISO or EIA punched tapes (alarm 23)
-
Check RS
232
C
parameters
-
Check external device
Effect:
Explanation:
Remedy:
17
Overflow error RS232 C
Effect: RS232 C transfer interrupted
-
Last block
declared as invalid
The
external device has
sent
a new character although the CNC has
not
yet processed the old one.
-
Check RS 232 C interface
parameters
-
Test external device
Explanation:
Remedy:
18
Frame error RS 232 C
RS 232 C transfer is interrupted
Last block declared invalid
Number of
stop
bits is incorrect
Incorrect baud
rate
Number of data bits is
incorrect
Check RS 232 C interface
parameters
Test external device
Number of data bits:
7
data bits +
1
parity bit
(set
external device)
Effect:
Explanation:
Remedy:
19
I/O device not ready RS232 C
No files are read in
The DSR signal from the external device is LOW
-
Start external device
-
Do
not
use DSR
Effect:
Explanation:
Remedy:
8-7
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SINUMERIK
80S,
SW2 (BA)