Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 64)

Publication 1760-UM003A-EN-P - September 2005

6-20 Application Examples for Pico

Example:

Data 1 = 2

hex

l ö3 is active.

Read/write function block

data

General notes

Always note the following when working with function blocks:

• The relevant data is transferred in Intel format. In other words,

the first byte is the low byte (Byte 5) and the last byte (byte 8)

the high byte.

Command rejected –

(1)

0 1 Len 01 01

1 2 Type 90 90

2 3 Index 00 00

3 4 Data 1 (Low Byte) 00 Table 6.37

4 – 6 5 – 7 Data 2 – 4 00 00

(1) Possible causes page 6-34

Table 6.37 Byte 3 (master) or byte 4 (slave): Data 1

Data 1 Bit76543210

HW1 0/1

HW2 0/1

HW3 0/1

HW4 0/1

HW5 0

HW6 0

HW7 0

HW8 0

Table 6.36 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

IMPORTANT

Refer to the Pico User Manual, 1760-UM001 for

information on function blocks.

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 64