● 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 PLC signal PLC variable Alarm response Alarm text
700000 DB1600.DBX0.0 DB1600.DBD1000 DB4500.DBB3000 Alarm 1
700001 DB1600.DBX0.1 DB1600.DBD1004 DB4500.DBB3001 Alarm 2
700002 DB1600.DBX0.2 DB1600.DBD1008 DB4500.DBB3002 Alarm 3
700003 DB1600.DBX0.3 DB1600.DBD1012 DB4500.DBB3003 Alarm 4
700004 DB1600.DBX0.4 DB1600.DBD1016 DB4500.DBB3004 Alarm 5
700005 DB1600.DBX0.5 DB1600.DBD1020 DB4500.DBB3005 Alarm 6
700006 DB1600.DBX0.6 DB1600.DBD1024 DB4500.DBB3006 Alarm 7
...
700246 DB1600.DBX30.6 DB1600.DBD1987 DB4500.DBB3246 Alarm 247
700247 DB1600.DBX30.7 DB1600.DBD1988 DB4500.DBB3247 Alarm 248
Extension of PLC alarms:
Alarm number PLC signal PLC variable Alarm response
701000 DB1600.DBX4000.0 DB1600.DBD5000 DB9913.DBB0
701001 DB1600.DBX4000.1 DB1600.DBD5004 DB9913.DBB1
...
701999 DB1600.DBX4124.7 DB1600.DBD5988 DB9913.DBB999
Configuring alarm texts with variables
The following data types are permitted for variables in the alarm text:
Variable Meaning
%b Binary representation of a 32-bit value
%d Integer decimal number
%f 4-byte floating-point number
%i Integer decimal number with sign
%o Integer octal number
%u Unsigned decimal number
%x Integer hexadecimal number
Operating software settings
3.6 Configuring PLC alarms
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 53
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