Programming manual
402
CNC 8070
14.
CNC VARIABLES
Understanding the description of the variables
(SOFT V02.0X)
358
14.1.1 Access to numeric values from the PLC
When accessing from the PLC numeric values that may have
decimals, it must be borne in mind that the values are given as follows.
Coordinates
They will be given in ten-thousandths if they are in mm or hundred-
thousandths if they are inches.
For 1 mm. the reading is 10000.
For 1 inch the reading is 100000.
For 1 degree the reading is 10000.
Feedrate of the axes
They will be given in ten-thousandths if they are in mm or hundred-
thousandths if they are inches.
For 1 mm/min. the reading is 10000.
For 1 inch/min. the reading is 100000.
Spindle speed
They will be given in ten-thousandths.
With G97 for 1 rpm. the reading is 10000.
With G96, for 1 m/min. the reading is 10000.
With G96, for 1 foot/min. the reading is 10000.
With G196 for 1 rpm. the reading is 10000.
With M19, for 1 º/min. the reading is 10000.
Percentages
The real value will be given in tenths or in hundredths depending on
the variable. If not indicated otherwise, it will read the actual value. If
not so, it will indicate if the variable will be read in tenths (x10) or in
hundredths (x100).
For 1% the reading is 1.
For 1% (x10) the reading is 10.
For 1% (x100) the reading is 100.
Time
They will be given in thousandths.
For 1 second the reading is 1000.
Voltage
The variables associated with the machine parameter table return the
actual value (in millivolts). For the rest of the variables (in volts), the
reading will appear in ten-thousandths.
For 1 Volt the reading is 10000.
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