Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 58)

Publication 1760-UM003A-EN-P - September 2005

6-14 Application Examples for Pico

Local P buttons: P1 – P4

The local P buttons are the display cursor buttons of the Pico basic

unit. You can scan the buttons in both RUN and STOP mode.

Only one byte has to be transferred for the P buttons.

Table 6.23 Byte 3 (master) or byte 4 (slave): Data 1

Data 1 Bit76543210

O1 0/1

O2 0/1

O3 0/1

O4 0/1

... ... ... ... ...

IMPORTANT

Ensure that the P buttons are also activated via the

System menu (in the basic unit).

Table 6.24 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 6-348

0 1 Len 01 01

1 2 Type 8A 8A

2 3 Index 00 00

3 4 Data 1 (Low Byte) 00 Table 6.25

4 – 6 5 – 7 Data 2 – 4 00 00

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 167 168

Sin comentarios

Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 58