Text function blocks: d1 – d16 – Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual

Page 51

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Publication 1760-UM003A-EN-P - September 2005

Application Examples for Pico 6-7

Text function blocks: D1 – D16

The following commands are used to read the logic state of the
individual text function blocks (D markers).

Table 6.10 Byte 3 to 4 (master) or Byte 4 to 5 (slave): Data 1 to 2

Data 1

Bit

7

6

5

4

3

2

1

0

C1

0/1

C2

0/1

C8

0/1

Data 2

Bit

7

6

5

4

3

2

1

0

C9

0/1

C10

0/1

C16

0/1

Table 6.11 Telegram Structure

Byte

Meaning

Value (hex), sent by

Master

Slave

Master

Slave

Attribute ID: Read

88

0

Response:

Read successful

C2

Command rejected

C0

(1)

(1)

Possible causes page 6-34.

0

1

Len

01

01

1

2

Type

94

94

2

3

Index

00

00

3

4

Data 1 (Low Byte)

00

Table 6.12

4

5

Data 2 (High Byte)

00

Table 6.12

5 – 6

6 – 7

Data 3 – 4

00

00

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