Beckhoff EL7037 User Manual download pdf (Page 137)

Commissioning

Fig.157: Entering the position

5.4.6 Velocity sensorless

In Velocity sensorless mode, the EL70x7 operates in the cyclic velocity interface. A defined velocity can be

set via the STM Velocity variable.

Prerequisites

• This mode can be used with a connected encoder or with the internal counter (without encoder).

• The process data can be transferred with TwinCAT NC or directly from the PLC.

Step by Step

• Add the terminal to the configuration as described in the section TwinCAT configuration settings –

manual [}66] or – Online scan [}72].

• Link the terminal with the NC as described in section Integration into the NC configuration [}104] (if

TwinCAT NC is used).

• Configure the EL70x7

◦ automatically - import the XML motor file into the startup directory as described in section Set-

tings in the CoE - automatic [}105].

◦ manually - configure the parameters as described in section Settings in the CoE - manual

[}105].

• Set the operating mode in the CoE directory to Velocity sensorless, Fig. "Velocity sensorless mode".

EL70x7 137Version 1.0

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Beckhoff EL7037 User Manual Page 137