Lenze 2131IB Manual do Utilizador descarregar pdf (Página 28)

Parameter setting

6-5

 BA2131EN

3 words process data; label 72

hex

(114)

PIW/POW 1 PIW/POW 2 PIW/POW 3

Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6

DP parameter-setting channel

+ 2 words process data;

label 73

hex

(115, 113)

DP parameter-setting channel PIW/POW 1 PIW/POW 2

Byte 1 Byte 8 Byte 9 Byte 10 Byte 11 Byte12

1) see chapter 6.3

DP parameter-setting channel

+ 3 words process data;

label 73

hex

(115, 114)

DP parameter-setting channel PIW/POW 1 PIW/POW 2 PIW/POW 3

Byte 1 Byte 8 Byte 9 Byte 10 Byte 11 Byte 12 Byte 13 Byte 14

1) see chapter 6.3

6.3 PROFIBUS-DP parameter-setting channel

The PROFIBUSDPparameter-setting channeloffers aparameter setting and diagnostics possibility

for controllers. It is therefore possible to access all Lenze parameters (codes).

If the DP parameter-setting channel is active, it assigns the first 8 bytes of the and input and output

data. The DP parameter-setting channel has the same structure for both transmission directions.

6.3.1 Structure of the DP parameter-setting channel

Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

Service Subindex Index

High byte

Index

Low byte

Data 4

(Error 4)

Data 3

(Error 3)

Data 2

(Error 2)

Data 1

(Error 1)

Byte 1: Service

Job and response control for the DP parameter-channel.

Bit no. Meaning

0-2 Service

Job for the controller. The bits are set only by the master.

0=nojob

1 = read job (read data from the controller)

2 = write job(write data to the controller)

3 Reserved

4-5 Data length

Length of the data in the field data/error.

0=1byte

1=2byte

2=3byte

3=4byte

6 Handshake

Indicates a new job. The master changes this bit for every new job. The controller copies the bit to its response message.

7 Status

Status information from the controller to the master when sending acknowledgement. This bit informs the master whether the job

was carried out without faults.

0 = Job completed with fault.

1 = Job not completed. A fault occured. The data in the field Data/Error are interpreted as error message.

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