For the standardization of commonly used axis types PROFIdrive [PI 3172 PDP] defines the PROFIdrive Application Classes as defined in [PDP] and shown in Table 12. These Application Classes are the base for the definition of the DriveAxisTypes in this Companion Specification (see Figure 12).
Table 12 – PROFIdrive Application Classes
|
No. |
Application Class |
Interface |
Functions b |
|
1 |
Standard Drive |
n-setpoint, torque-setpoint, current-setpoint |
Cyclic IO Data interface a |
|
2 |
Standard drive with distributed technology controller (continuous process) |
Technological setpoint-actual values (command variables) |
Cyclic IO Data interface withDrive to Drive communication a |
|
3 |
Single Axis positioning drive, with local Motion Control |
pos-setpoint, run requests |
Cyclic IO Data interface a |
|
4 |
Motion Control with central interpolation and speed setpoint interface Optional: DSC (Dynamic Servo Control) |
n-setpoint x-actual additionally, for DSC: ∆x (xerr), KV (kPC) |
Cyclic IO Data interface, Clock Synchronous Operation, DSC |
|
5 |
Motion Control with central interpolation and position setpoint interface |
x-setpoint |
Cyclic IO Data interface, Clock Synchronous Operation |
|
6 |
Motion control for clocked processes, or distributed angular synchronism |
Command variables, motion instructions |
Cyclic IO Data interface, Clock Synchronous Operation, Drive to Drive communication |
|
a The cyclic interface may also be operated clock-synchronously if, for example, it is a question of synchrony of the actions in the case of several drives. bFor all Application Classes: acyclic interface for parameters, diagnostics, identification.
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