Rockwell-automation 20G PowerFlex 755 Drive Embedded EtherNet/IP Adapt Bedienungsanleitung Seite 95
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Rockwell Automation Publication 750COM-UM001E-EN-P - October 2013 95
Using Explicit Messaging Chapter 6
ControlLogix – Formatting a Message to Read a Single Parameter
Figure 21 - Get Attribute Single Message Configuration Dialog Boxes
The following table identifies the data that is required in each box to configure a
message to read a single parameter.
Configuration Tab Example Value Description
Message Type
Service Type
(1)
Service Code
(1)
Class
Instance
(2)
Attribute
Source Element
Source Length
Destination
CIP Generic
Get Attribute Single
e (Hex.)
93 or 9F (Hex.)
(4)
7 (Dec.)
9 (Hex.)
—
0 bytes
Output_Current
(5)
Used to access the DPI Parameter Object in the adapter.
This service is used to read a parameter value.
Code for the requested service.
Class ID for the DPI Parameter Object.
Instance number is the same as parameter number.
Attribute number for the Parameter Value attribute.
Leave blank (not applicable).
Number of bytes of service data to be sent in the message.
The tag where the data that is read is stored.
Communication Tab Example Value Description
Path
(3)
My_PowerFlex_755_Drive The path is the route that the message will follow.
Tag Tab Example Value Description
Name Single_Read_Message The name for the message.
(1) The default setting for Service Type is ‘Custom’, enabling entry of a Service Code not available from the Service Type pull-down menu. When
choosing a Service Type other than ‘Custom’ from the pull-down menu, an appropriate Hex. value is automatically assigned to the Service Code box
which is dimmed (unavailable).
(2) The instance is the parameter number in the drive (Port 0). For example, to read parameter 4 of a peripheral in Port 5 of a PowerFlex 755 drive, the
instance would be 21504 + 4 = 21508. See DPI Parameter Object
on page 148 (Class code 0x93) or Host DPI Parameter Object on page 162 (Class
code 0x9F) to determine the instance number.
(3) Click Browse to find the path, or type in the name of the device listed in the I/O Configuration folder (for this example,
My_PowerFlex_755_Drive).
(4) See Table 4 on page 92
for limitations of PowerFlex 750-Series drives when using DPI Parameter Object Class code 0x93 or Host DPI Parameter
Object Class code 0x9F for explicit messaging.
(5) In this example, Output Current is a 32-bit REAL (floating point) parameter requiring the Data Type field to be set to ‘REAL’ when creating the
controller tag. To read a 32-bit integer parameter, set the tag Data Type field to ‘DINT’. For a 16-bit parameter, set the Data Type field to ‘INT’. See the
drive documentation to determine the size of the parameter and its data type.
- 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
- Compatible Products 13
- Required Equipment 13
- Chapter 1 Getting Started 14
- Safety Precautions 15
- Quick Start 16
- Installing the Adapter 17
- Setting the IP Address 18
- Connecting the Adapter to 20
- Applying Power 21
- Commissioning the Adapter 24
- Configuring the Adapter 25
- Using the PowerFlex 20-HIM 26
- A6 or 20-HIM-C6S HIM to 26
- Access Parameters 26
- Setting the Adapter IP 26
- Enabled 1 27
- Disable the BOOTP Feature 30
- Set the IP Address 30
- Set the Subnet Mask 30
- Setting the Data Rate 31
- Selecting Master-Slave or 32
- Peer-to-Peer Hierarchy 32
- Enable Datalinks To Read Data 33
- 0<<2 35
- Custom Peer I/O Configuration 36
- 10.00 Secs 37
- Setting a Fault Action 38
- Setting Web Access Control 40
- Resetting the Adapter 41
- Restoring Adapter 41
- Parameters to Factory 41
- Defaults 41
- ESC soft 42
- Viewing the Adapter Status 42
- Using Parameters 42
- Updating the Adapter 43
- Firmware 43
- Configuring the I/O 45
- ControlLogix Example 46
- Chapter 4 Configuring the I/O 50
- Configuring the I/O Chapter 4 53
- ADC and Logix Memory 66
- Monitoring ADC Progress 71
- Using the I/O 79
- Understanding the 80
- ControlLogix Controller I/O 80
- Using Logic Command/Status 81
- Using Reference/Feedback 81
- Using Datalinks 82
- Example Ladder Logic 83
- Program Information 83
- ControlLogix Controller 84
- Using the I/O Chapter 5 85
- Versions 86
- Program 87
- Program Tags 88
- Example Datalink Data 89
- Generic Profile 90
- Using Explicit Messaging 91
- About Explicit Messaging 92
- Examples 94
- Single Parameter 96
- Multiple Parameters 101
- Request (Source Data) array 105
- Troubleshooting 107
- ENET Status Indicator 108
- LINK Status Indicator 108
- Viewing Adapter Diagnostic 109
- Viewing and Clearing Events 111
- Table 12 - Adapter Events 112
- Viewing the Adapter Web Pages 113
- Process Display Pop-up 116
- Dialog Box 116
- TCP/IP Configuration Web 117
- Web Page 118
- Device Information Pages 121
- EtherNet/IP adapter) 123
- Specifications 125
- Appendix A Specifications 126
- Adapter Parameters 127
- Parameter List 128
- EtherNet/IP Objects 137
- Identity Object 138
- Assembly Object 139
- Register Object 140
- PCCC Object 141
- N-Files 143
- DPI Device Object 145
- Class Attributes 146
- Instance Attributes 147
- DPI Parameter Object 148
- Formula number 150
- Extended DPI descriptor 150
- Descriptor Attributes 151
- Formulas for Converting 153
- Common Services 153
- Object Specific Services 153
- DPI Fault Object 154
- DPI Alarm Object 156
- DPI Diagnostic Object 158
- DPI Time Object 160
- Host DPI Parameter Object 162
- TCP/IP Interface Object 168
- Ethernet Link Object 170
- 750-Series Drives 173
- History of Changes 175
- Glossary 177
- Rockwell Automation Support 190
- Documentation Feedback 190
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