Siemens SINUMERIK 805 Operating Instructions Manual page 201

06.90
8 Monitoring
8.3.3
List of alarms
22
Time monitoring RS232 C
-
The CNC
cannot output
a signal
for 60
sec.
•
The external device blocks the CTS (clear to send) signal for
longer than 60
sec
•
The external device does
not
send DC1 within
60
sec when
control signals (DC1
to
DC4) are used.
-
The CNC has
not
received a signal for 60 sec.
-
Check
external
device
and switch
on
-
Check
cable and plug in.
-
Switch off time monitoring in
parameter
menu.
Explanation:
Remedy:
23
Character parity error RS 232 C
Cause:
Effect:
Punched
tape
soiled or damaged
-
RS 232 C transmission interrupted
-
Last block declared invalid
Depending on definition of
start
of program "%" or "EOR", the NC
automatically establishes the ISO or EIA code upon receipt of this
character and thus character
parity.
When checking the following characters, it was established that one
character does
not
have the
set
parity.
Check punched
tape
or data on diskette
Explanation:
Remedy:
24
Invalid EIA character RS 232 C
Effect: Data transfer interrupted
Last block declared invalid
EIA character was read in with the
correct
parity,
however, the character
is not defined in the EIA
code.
Check
punched tape:
check EIA code for
and
EIA code for
As the " character is
not defined in the EIA code, the following data
cannot
be read in:
-
%TEA1 (NC machine data)
-
%RPA (R parameter)
-
%TOA (tool offsets)
-
%TEA2 (PLC machine data)
-
%ZOA (zero offset)
-
main programs and subroutines with R
parameter
calculations
Explanation:
Remedy:
Caution:
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SINUMERIK
805, SW2 (BA)
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