NC Commissioning with HMI Advanced
11.3 System data
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
373
The following data for which no unique physical units are defined is not converted
automatically:
● R parameters
● GUDs (Global User Data)
● LUDs (Local User Data)
● PUDs (Program global User Data)
● Analog inputs/outputs
● Data exchange via FC21
The user is prompted to take the current valid measuring system MD10240
$MN_SCALING_SYSTEM_IS_METRIC into consideration.
The current system of measurement setting can be read at the PLC interface via the "inch
system" signal DB10.DBX107.7. DB10.DBB71 can be used to read out the "system of
measurement change counter".
Machine data
Table 11-8 Switching over the unit system: Machine data
Number Name Name/remarks
General ($MN_ ... )
10240 SCALING_SYSTEM_IS_METRIC Basic system metric
10250 SCALING_VALUE_INCH Conversion factor for switch-over to inch system
10260 CONVERT_SCALING_SYSTEM Basic system switch-over active
Axisspecific ($MA_ ... )
32711 CEC_SCALING_SYSTEM_METRIC System of measurement of sag compensation
References:
/FB/ Function Manual, Basic Functions; G2 Velocities, Setpoint/Actual Value Systems,
Control, Chapter "Metric/inch dimension system"
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