Function Diagrams And Parameters; Referencing With Several Zero Marks Per Revolution - Siemens SINAMICS S120 Function Manual

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Table of Contents

Function diagrams and parameters

Function diagrams (see SINAMICS S120/S150 List Manual)

Overview of important parameters (see SINAMICS S120/S150 List Manual)

● p0494[0...n]

● p2598[0...3]

Parameter p0494 corresponds to parameter p0495 regarding its significance. In addition,

parameter p0494 is dependent on an encoder data set; for example which can be used for the

data set switchover for interchangeable machining heads.

Function description

The drive detects several zero marks per revolution when using reduction gears or measuring

gears. In this cases, an additional BERO signal allows the correct zero mark to be selected.

Referencing with a reduction gear

The following figure shows an application example for referencing with several zero marks per

revolution and selecting the correct zero mark using a BERO signal.

Drive functions

Function Manual, 06/2019, 6SL3097-5AB00-0BP2

EPOS - referencing / reference point approach mode (r0108.4 = 1)

(p2597 = 0 signal)

EPOS - flying referencing mode (r0108.4 = 1)

(p2597 = 1 signal)

Equivalent zero mark, input terminal

BI: EPOS set reference point

BI: EPOS referencing type selection

CI: EPOS reference point coordinate, signal source

CO: EPOS reference point coordinate value

EPOS reference point approach, reference point offset

Function modules

9.8 Basic positioner