Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Instrukcja Użytkownika Pobierz pdf (Strona 56)

Publication 1760-UM003A-EN-P - September 2005

6-12 Application Examples for Pico

Table 6.19 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID: Read 88 –

0 Response:

Read successful – C2

Command rejected –

(2)

(2) Possible causes page 6-34

0 1 Len 01 01

1 2 Type

M marker 86 86

N marker 87 87

2 3

Index

(1)

(1) There are 16 M markers and 16 N markers. The markers are addressed by Type and Index: Use Type to select

the M or N marker. Use Index to select the marker number

00 00

3 4 Data 1 (Low Byte) 00 Table 6.20

4 5 Data 2 (Low Byte) 00 Table 6.20

5 – 6 6 – 7 Data 3 – 4 00 00

Table 6.20 Byte 3 to 4 (master) or Byte 4 to 5 (slave): Data 1 to 2

Data 1 Bit76543210

M1 N1 0/1

M2 N2 0/1

... ... ...

M8 N8 0/1

Data 2 Bit76543210

M9 N9 0/1

M10 N10 0/1

... – ...

M16 N16 0/1

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Instrukcja Użytkownika Strona 56