Lenze 9400 Manual de usuario descargar pdf (Pagina 261)

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06 261

6 Encoder evaluation

6.3 Parameter setting

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

6.3.10.2 Activate evaluation

C02760 serves to activate the evaluation of the encoder signal of input X8.

• When the evaluation is activated, the encoder parameterised in C00422

is read in.

• At the same time, the monitoring functions are active. If no encoder is available, the

corresponding monitoring functions are triggered.

• When the evaluation is deactivated, the outputs of the system block are reset.

• Monitoring is deactivated depending on the position encoder selection (C00490

) and the

motor encoder selection (C00495

).

Monitoring

The monitoring functions depend on the encoder type selected inC00422

and do not differ from the

existing monitoring functions:

• Open circuit of encoder (response: C00580

)

• Encoder angular drift monitoring

( 264)

• Encoder communication error (FDB_bEncoderComError; response:

C00601)

• Sine/cosine encoder error (FDB_bSinCosSignalError)

• Group signal for errors as process date (ENC_bError)

Conditioning of the encoder signal

• The encoder signal is conditioned to a position (including a storage with mains failure

protection) within the application using the FB L_EsEncoderConv:

• Interconnection of the ENC_dnEncoderOut1 output signal with the dnEncoderIn input of the

FB L_EsEncoderConv.

• Interconnection of the ENC_dnEncoderOut2 output signal with the dnEncoderIn2 input of the

FB L_EsEncoderConv.

• Additional parameter setting of the FB L_EsEncoderConv:

Mode selection: Cxxxxx = 1

Number of revolutions transmitted from C02761

• The (optional) reconstruction of the position after mains switching is also made by the

FB L_EsEncoderConv.

• In contrast, the conditioning of the encoder signal to a speed is directly made in the

LS_EncoderX8

system block.

• The current encoder speed is provided at the ENC_dnActualSpeed_s output in [rpm] (display

parameter: C02764

).

• TouchProbe function is not supported (continues to be only available for motor and position

encoders).

• If the encoder at X8 is simultaneously used as motor or position encoder, the "raw value" of the

encoder is continued to be output.

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