Structure Of An Alarm; Variable Definition - Siemens SINUMERIK 802D Training Manual

Section 2

2.1 Structure of an alarm

To identify external faults from the generated PLC fault, it is necessary to To identify external faults from the generated PLC fault, it is necessary to
understand the structure of the alarm. understand the structure of the alarm.
Structure: Structure:
700000 700000 Hydraulic pressure low Hydraulic pressure low
700001 700001 Tailstock not in position Tailstock not in position
700002 700002 Axis %d in parked position ——- Axis %d in parked position
Alarm Num- Variable = 1
Alarm Number PLC Signal
700000 16000000.0
700001 16000000.1
700002 16000000.2
700003 16000000.3
700004 16000000.4
700005 16000000.5
700006 16000000.6
700007 16000000.7
700008 16000001.0
700009 16000001.1
700010 16000001.1
700011 16000001.1
700012 16000001.1
.. ..
.. ..
.. ..
.. ..
700063 16000007.7

Variable definition

%d Decimal value displayed
%x Hexadecimal value displayed
%b Binary value displayed
%o Octal value is displayed
%u Unsigned integer is displayed
%f Floating point number is displayed
PLC Signal
The alarm 700000 is generated with the corresponding PLC signal, the
reaction from the NC is defined in the NC machine data 14516[index].
SINUMERIK 802D sl Operating and Service Training Manual
Structure of an alarm
Axis 1 in parked position
Axis 2 in parked position
Alarm Text
PLC variable NC MD alarm
configuration
16001000 14516[0]
16001004 14516[1]
16001008 14516[2]
16001012 14516[3]
16001016 14516[4]
16001020 14516[5]
16001024 14516[6]
16001028 14516[7]
16001032 14516[8]
16001036 14516[9]
16001040 14516[10]
16001044 14516[11]
16001048 14516[12]
.. ..
.. ..
.. ..
.. ..
16001252 14516[63]
Page 2
Notes
Text File
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Alarm 7
Alarm 8
Alarm 9
Alarm 10
Alarm 11
Alarm 12
Alarm 13
..
..
..
..
Alarm 63
C31
C31