Siemens SINUMERIK 828D Commissioning Manual page 67

● The NC response when the alarm is triggered is defined in DB4500.DBB3000 to DBB3247
or via MD14516 $MN_USER_DATA_PLC_ALARM.
● For a control with more than one channel, the alarm assignment to the respective channel
is defined in DB9913 or via MD14518 $MN_USER_DATA_PLC_ALARM_ASSIGN.
● If a variable has been configured for an alarm, the value of this variable is in the specified
data word of the PLC variable.
Alarm number
700000
700001
700002
700003
700004
700005
700006
...
700246
700247
Extension of PLC alarms:
Alarm number
701000
701001
...
701999
Configuring alarm texts with variables
The following data types are permitted for variables in the alarm text:
Variable
%b
%d
%f
%i
%o
%u
%x
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
PLC signal PLC variable
DB1600.DBX0.0 DB1600.DBD1000 DB4500.DBB3000
DB1600.DBX0.1 DB1600.DBD1004 DB4500.DBB3001
DB1600.DBX0.2 DB1600.DBD1008 DB4500.DBB3002
DB1600.DBX0.3 DB1600.DBD1012 DB4500.DBB3003
DB1600.DBX0.4 DB1600.DBD1016 DB4500.DBB3004
DB1600.DBX0.5 DB1600.DBD1020 DB4500.DBB3005
DB1600.DBX0.6 DB1600.DBD1024 DB4500.DBB3006
DB1600.DBX30.6 DB1600.DBD1987 DB4500.DBB3246
DB1600.DBX30.7 DB1600.DBD1988 DB4500.DBB3247
PLC signal
DB1600.DBX4000.0
DB1600.DBX4000.1
DB1600.DBX4124.7
Meaning
Binary representation of a 32-bit value
Integer decimal number
4-byte floating-point number
Integer decimal number with sign
Integer octal number
Unsigned decimal number
Integer hexadecimal number
Operating software settings
3.6 Configuring PLC alarms
Alarm response
PLC variable
DB1600.DBD5000
DB1600.DBD5004
DB1600.DBD5988
Alarm text
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Alarm 7
Alarm 247
Alarm 248
Alarm response
DB9913.DBB0
DB9913.DBB1
DB9913.DBB999
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