beautypg.com

Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual

Page 36

background image

Publication 1760-UM003A-EN-P - September 2005

4-12 DeviceNet Functions

Master sends remaining PicoLINK
byte

41C

6

80

01

00

00

00

00

Byte 2 - Data 1 = 00
Byte 3 - Data 2 = 00
Byte 4 - Data 3 = 00
Byte 5 - Data 4 = 00

Acknowledgement of the slave
(Fragmentation protocol)

41B

3

80

C1

00

Slave sends a response to the request 41B

8

80

00

B2

C2

05

00

05

09

Byte 3 – response = C2 (read
successful)
Byte 4 – Len = 05
Byte 5 – Index = 00
Byte 6 – Data 1 = 05

Acknowledgement from master
(Fragmentation Protocol)

41C

3

80

C0

00

Slave sends remaining Pico-LINK
data:

41B

5

80

81

0D

05

04

Data 2 = 0D
Data 3 = 05
Data 4 = 04

Acknowledgement from master
(Fragmentation protocol)

41C

3

80

C1

00

Description

ID
(Hex)

Length

DeviceNet - Byte (Hex)

0

1

2

3

4

5

6

7