3 Design and function
3.1 Overview
Fig. 6: Overview (Top)
1 Safety connector (X19)
2 PC connectors
3 Superbus connector (X13)
4 SDI connector (X21)
3.2 Brief description
The PA8000 EL is an open architecture CNC control unit providing
numerical interface for the PA-SDI drive. This control unit can be
extended via a superbus interface and external input/output mod-
ules (PAMIO) to connect a wide range of machine tools.
Depending on the model, the PA8000 EL provides one or two
internal input/output modules. Thus it is able to control either 24
inputs and 16 outputs, or 48 inputs and 32 outputs.
Machine tool axes are controlled by digital drives of the PA-SDI
range. These drive units are connected via a single digital bus
daisy-chained from the control to the drives. The number of drives
(and thus of axes) depends on the software options. The drives
also ensure the input of various measurement systems, either
incremental or absolute, depending on the velocity of the motors or
the position control loop of the CNC.
Via its Superbus extension board (always included) it is possible to
connect PA modular input/output modules (PAMIO) to extend the
capacity of digital inputs/outputs and/or analog inputs/outputs.
PA 8000 EL CNC control unit
Design and function
24.09.2015 | 27
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