Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 60)

Publication 1760-UM003A-EN-P - September 2005

6-16 Application Examples for Pico

Example:

Data 1 = 52

hex

l Q2, Q5 and Q7 are active.

Inputs/outputs of PicoLink: R1 – R16/S1 – S8

This service allows you to read the local R and S data and the data of

the NET stations (1 – 8) transferred via PicoLink, again from the

relevant Pico image.

Q2 0/1

.. ..

Q8 0/1

Table 6.28 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID: Read 88 –

0 Response:

Read successful – C2

Command

rejected

–

(1)

(1) Possible causes page 6-34

0 1 Len 01 01

1 2 Type

for R data 88 88

for S data 89 89

2 3 Index 00 00

3 4 Data 1 (Low Byte) 00 Table 6.29

4 5 Data 2 (Low Byte) 00 Table 6.29

5 – 6 6 – 7 Data 3 – 4 00 00

Table 6.29 Byte 3 to 4 (master) or Byte 4 to 5 (slave): Data 1 to 2

Data 1 Bit76543210

RW SW

R1 S1 0/1

R2 S2 0/1

... ... ...

Table 6.27 Byte 4: Data 1

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 60