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Functions, monitoring and protective functions
9.4 Extended functions
9.4.7
Basic positioner
Description
The "Basic positioner" function module (EPOS) is used for the absolute/relative positioning
of linear and rotary axes (modulo) with motor encoders (indirect measuring system) or
machine encoders (direct measuring system).
For the basic positioner functionality, STARTER provides graphic guides through the
configuration, commissioning and diagnostic functions. A control panel supports you when
using the basic positioner and when operating in the closed-loop speed controlled mode.
The position control is automatically activated when activating the basic positioner using the
commissioning wizards of STARTER. The required BICO interconnections are automatically
established.
Note
Position controller is required
The basic positioner requires the position controller functions. The BICO interconnections,
established by the basic positioner, may only be changed by experienced users.
As a result, the position control functions are also available.
● Standstill monitoring
● Position monitoring
● Dynamic following error monitoring
● Cam controllers
● Modulo function
● Probe evaluation
For additional information, see Chapter "Position control (Page 634)."
Functions of the basic positioner
In addition, the following functions can be carried out using the "basic positioner" function
module:
● Mechanical system (is assigned to position controller in the STARTER)
– Backlash compensation
– Modulo offset
– Position tracking of the load gearbox (motor encoder) with absolute encoders
● Limitations
– Velocity profile limitations
– Traversing range limits
– Jerk limit
650
Operating Instructions, 12/2018, A5E36652151A
Enclosed Drives
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