Rockwell-automation 20-750-DNET PowerFlex DeviceNet Option Module Manual de usuario Pagina 62
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62 Rockwell Automation Publication 750COM-UM002B-EN-P - October 2012
Chapter 5 Using the I/O
Enable the DeviceNet Scanner
A rung in the ladder logic must be created and assigned to the 1756-DNB
scanner Command Register Run bit. This rung enables the scanner to transfer
I/O on the network.
Example Datalink Data
The Datalink data used in the example program is shown in Figure 11. Note that
to describe the parameters to which the Datalinks are assigned, you may want to
add descriptions to the automatically-created generic controller tags or create a
UDDT. For this example, the DL_From_Net tags were created to describe the
drive parameters to which these Datalinks are assigned. For example,
DL_From_Net_01_Stop_Mode_A indicates that option module Host
Parameter 01 - [DL From Net 01] is assigned to drive parameter 370 - [Stop
Mode A]. This same method applies to the DL_To_Net tags.
Figure 11 - ControlLogix Controller Example Datalinks for Ladder Logic Program Using a Drive
Generic Profile
IMPORTANT
This rung must always be included in the ladder logic program.
- User Manual 1
- Important User Information 2
- Summary of Changes 3
- New and Updated 3
- Information 3
- Table of Contents 5
- Conventions Used in This 9
- Rockwell Automation 9
- Additional Resources 10
- Getting Started 11
- Features 12
- Understanding Parameter 13
- Compatible Products 13
- Required Equipment 13
- User-Supplied Equipment 14
- Safety Precautions 15
- Quick Start 16
- Installing the Option Module 17
- Setting the Node Address 18
- Switches 18
- Setting the Data Rate Switch 19
- Connecting the Option 19
- Module to the Drive 19
- Module to the Network 20
- Start-Up Status Indications 21
- Commissioning the Option 24
- Configuring the Option Module 25
- Edit Net Addr Cfg 26
- Autobaud 3 27
- 0<<16 28
- Edit DLs To Net Cfg 29
- Value Description 30
- 1 Use this logic bit 30
- Changing the Fault Action 31
- Resetting the Option Module 32
- 0<<2 32
- Host Drive 33
- 240V 4.2A 33
- Rev 3.002 Ser. A 33
- Viewing the Option Module 34
- Status Using Parameters 34
- Updating the Option Module 35
- Firmware 35
- Configuring the I/O 37
- ControlLogix Controller 38
- Configuring the I/O Chapter 4 39
- I/O to the Scanner 41
- Chapter 4 Configuring the I/O 42
- Using the I/O 53
- Understanding the 54
- ControlLogix Controller I/O 54
- Using Logic Command/Status 54
- Using Reference/Feedback 55
- Using Datalinks 56
- Example Ladder Logic 57
- Program Information 57
- Program 59
- Status/Feedback 61
- Logic Command/Reference 61
- Generic Profile 62
- Using the I/O Chapter 5 63
- Chapter 5 Using the I/O 64
- Using Explicit Messaging 65
- About Explicit Messaging 66
- Examples 68
- Single Parameter 70
- Multiple Parameters 72
- Request (Source Data) array 79
- Troubleshooting 81
- PORT Status Indicator 82
- MOD Status Indicator 82
- NET A Status Indicator 83
- Viewing Option Module 84
- Diagnostic Items 84
- Viewing and Clearing Events 86
- Specifications 89
- Environmental 90
- Regulatory Compliance 90
- Option Module Parameters 91
- About Parameter Numbers 92
- How Parameters Are 92
- Organized 92
- Device Parameters 92
- Host Parameters 94
- DeviceNet Objects 99
- Identity Object 100
- Connection Object 101
- Register Object 102
- PCCC Object 103
- N-Files 105
- DPI Device Object 106
- Class Attributes 107
- Instance Attributes 108
- DPI Parameter Object 109
- Formula number 111
- Extended DPI descriptor 111
- Descriptor Attributes 112
- Formulas for Converting 114
- Common Services 114
- Object Specific Services 114
- DPI Fault Object 115
- DPI Alarm Object 117
- DPI Diagnostic Object 119
- DPI Time Object 121
- Host DPI Parameter Object 123
- 750-Series Drives 129
- History of Changes 131
- Appendix E History of Changes 132
- Glossary 133
- Rockwell Automation Support 144
- Documentation Feedback 144
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