Simodrive Posmo A Functions; Referencing - Siemens SIMODRIVE POSMO A User Manual

08.04 02.99
5.5

SIMODRIVE POSMO A functions

5.5.1

Referencing

Description For SIMODRIVE POSMO A, an incremental position measuring
system is used. In order that the positioning motor identifies the axis
zero, the measuring system must be synchronized with the axis.
Table 5-7 What are the referencing possibilities?
Type Referencing possibilities
Approach the visual mark
Set the actual value by writing into P40
––> This position is assigned to the required
actual value.
Approach the endstop
Set the actual value by writing into P40
––> This position is assigned to the required
actual value.
Axis
without without
Approach the visual mark
refer-
ence
Set STW.11
cams
––> The position of the last zero mark which
was passed is overwritten by the value from
1)
P5 (reference point coordinate).
Approach the endstop
Set STW.11
––> The position of the last zero mark which
was passed is overwritten by the value from
1)
P5 (reference point coordinate).
Reference travel to BERO without direction re-
versal
––> The axis remains stationary after exiting the
reference cam.
The position of the last zero mark which was
passed is overwritten with the reference posi-
Axis
1)
tion .
with with
Reference approach to the BERO with direction
refer-
reversal
ence
2)
cams
––> The axis remains stationary after exiting the
reference cam.
The position of the last zero mark which was
passed is overwritten with the reference posi-
1)
tion .
Reference to occurring zero mark (from SW 2.1)
Flying "Flying actual value setting" function
(from SW 1.4)
1) The actual position to be written is corrected by the distance which was traveled since the last zero mark.
2) This function must be emulated using the existing traversing blocks (refer to the following examples).
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SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
5 Description of the Functions
5.5 SIMODRIVE POSMO A functions
Sketch
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Refer to Chapter 5.5.1
Refer to Chapter 5.5.2
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