Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 50)

Publication 1760-UM003A-EN-P - September 2005

6-6 Application Examples for Pico

Counters: C1 to C16

The following commands are used to read the logic state of the

individual counters C1 to

C16.

Table 6.8 Byte 3 to 4 (master) or Byte 4 to 5 (slave): Data 1 to 2

Data

Bit76543210

A1 0/1

A2 0/1

... ...

A8 0/1

Data

Bit76543210

A9 0/1

A10 0/1

... ...

A16 0/1

Table 6.9 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 EE EE

2 3 Index 00 00

3 4 Data 1 (Low

Byte)

00 Table 6.10

4 5 Data 2 (Low

Byte)

00 Table 6.10

5 to 6 6 to 7 Data 3 to 4 00 00

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 167 168

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