Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 3)

1 Publication 1760-UM003A-EN-P - September 2005
Table of Contents
Preface Who Should Use this Manual. . . . . . . . . . . . . . . . . . . . . . . P-1
Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1
Common Techniques Used in this Manual . . . . . . . . . . . . . P-2
Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . P-3
Chapter 1
Pico DeviceNet Interface System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Structure of the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Communication Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Hardware and Operating System Requirements . . . . . . . . . 1-2
Use Other Than Intended . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Chapter 2
Installation Connect to the Basic Unit . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Connect the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Connect DeviceNet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
EMC Compatible Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Potential Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Data Transfer Rates – Automatic Baud Rate Recognition . . . 2-4
Chapter 3
Operate the DeviceNet Interface Initial Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
DeviceNet Setting the Slave Address . . . . . . . . . . . . . . . . . 3-1
LED Status Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Cycle Time of the Pico Basic Unit . . . . . . . . . . . . . . . . . . . 3-6
EDS File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Chapter 4
DeviceNet Functions Object Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
DeviceNet Communication Profile . . . . . . . . . . . . . . . . . . . 4-9
Chapter 5
Direct Data Exchange with
Pico/GFX (Polled I/O Connection) Input data: Mode, S1 – S8 . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Output Data: Mode, R1 – R16 . . . . . . . . . . . . . . . . . . . . . . 5-4
Chapter 6
Application Examples for Pico Read/Write Date and Time . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Read/Write Image Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Read/write function block data . . . . . . . . . . . . . . . . . . . . . 6-20
Analysis – error codes via PicoLink . . . . . . . . . . . . . . . . . . 6-34
Chapter 7
Pico GFX Control Commands Version history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Read/write date and time . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Read/write image data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7