Assignment of parameters
In the type of assignment, one differentiates between internal and external parameters. Internal parameters are assigned through NC program, e.g. P12=0.12, whereas to the external parameters control-dependent or process-dependent values are assigned in application-dependent program parts of the control system. The values such as those given below can be assigned :
- Current spindle rpm.
- Torque in the drives
- Values of external measuring devices
- Values of heat and power sensors
- Keyboard inputs via operating menu
- etc.
External parameters, thus, allow the execution of process variables in NC-program. They must, however, be set up through the application. An example for the use of external parameters is given in chapter 9.5.