Rockwell-automation RECOMM-ENET EtherNet/IP Communications Module Manual de usuario Pagina 64
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EtherNet/IP Communications Module
6.4 Using Reference/Feedback
When enabled, Reference/Feedback begins at word 1 (16-bit) or
word 2 (32-bit) in the I/O image. The
reference
(16 bits or 32 bits) is
produced by the controller and consumed by the adapter. The
feedback
(16 bits or 32 bits) is produced by the adapter and
consumed by the controller. The size of the Reference/Feedback is
determined by the drive and displayed in Ref/Fdbk Size (18) in the
adapter.
The Reference value is a scaled value; it is not an engineering
value. For example, in Reliance Electric drives, the Reference is
scaled based on the value of Maximum Freq (55) where “32,767”
equals the Maximum frequency value, and “0” equals 0 Hz. Note
that the commanded maximum speed can never exceed the value
of Maximum Speed (82). The below table shows example
references and their results on a drive that has its Maximum Freq
(55) set to 130 Hz and Maximum Speed (82) set to 60 Hz.
For Reference/Feedback details about other DPI Hosts, refer to
their respective User Manuals.
Size Valid Values In I/O Image
16-bit -32768 to 32767 Word 1
32-bit -2147483648 to 2147483647 Word 2 and Word
3
Reference
Value
Scale
Output
Speed
Feedback
ValuePercent Value
32767
1
100% 130 Hz
60 Hz
2
15123
3
16384 50% 65 Hz
60 Hz
2
15123
3
8192 25% 32.5 Hz 32.5 Hz 8192
0 0% 0 Hz 0 Hz 0
1. A value of 32767 is equivalent to the Parameter 55 frequency value. The effects of values
greater than 32767 depend on whether the DPI product uses a bipolar or unipolar
direction mode. Refer to the documentation for your DPI product.
2. The drive runs at 60 Hz instead of 130 Hz or 65 Hz because Parameter 82 - [Maximum
Speed] sets 60 Hz as the maximum speed.
3. The Feedback value is also scaled based on the value of Parameter 55 - [Maximum
Freq], For example, 60/130 = 0.46 so 32767 x 0.46 = 15123.
- EtherNet/IP 1
- Communications Module 1
- CONTENTS 3
- Contents 5
- List of Figures 7
- List of Tables 11
- CHAPTER 1 13
- 1.2 Compatible Products 14
- 1.3 Related Documentation 14
- Electric 15
- CHAPTER 2 17
- 2.1 Required Equipment 18
- 2.2 Installation Checklist 19
- CHAPTER 3 21
- EtherNet/IP module 23
- SP600 Drive 23
- (6SP Series) 23
- 3.5 Applying Power 26
- 3.6 Commissioning the Module 26
- CHAPTER 4 27
- 4.2.1 SP600 and LiquiFlo 2.0 28
- 4.2.2 GV6000 29
- 4.5 Setting the Data Rate 34
- Peer Hierarchy 36
- Hierarchy 37
- Peer Data 38
- 4.9 Setting a Fault Action 43
- 4.11 Resetting the Module 47
- 10000xxx 48
- 01234576 48
- CHAPTER 5 49
- Example_RECOMM_ENET 50
- I/O Configuration 52
- Datalinks) 55
- 5.4 Saving the Configuration 57
- CHAPTER 6 59
- Using I/O Messaging 61
- 6.4 Using Reference/Feedback 64
- 6.5 Using Datalinks 65
- SP600 Speed Feedback 69
- SP600 Speed Reference 69
- 6.10 Sample Datalink Data 71
- CHAPTER 7 73
- Using Explicit Messaging 75
- • Get Attribute Single 77
- • Set Attribute Single 77
- • Get Attributes Scattered 77
- • Set Attributes Scattered 77
- Message Format Example 78
- • Output Freq (1) 84
- • Output Current (3) 84
- • Output Voltage (6) 84
- • DC Bus Voltage (12) 84
- • Analog In1 Value (17) 84
- Example Message Format 86
- Example Destination Data 89
- CHAPTER 8 91
- 8.2 Module Diagnostic Items 96
- 2.0 Drive 99
- CHAPTER 9 103
- APPENDIX A 117
- Regulatory Compliance 118
- APPENDIX B 119
- 1DPI Port 120
- 2 DPI Data Rate 120
- Module Parameters 121
- 255 . 255 . 255 . 255 122
- Gateway Cfg 1 122
- Gateway Cfg 2 122
- Gateway Cfg 3 122
- Gateway Cfg 4 122
- 17 EN Rate Act 123
- 18 Ref/Fdbk Size 123
- 19 Datalink Size 123
- 20 Reset Module 124
- 21 Comm Flt Action 124
- 22 Idle Flt Action 125
- 23 DPI I/O Cfg 125
- 24 DPI I/O Active 126
- 25 Flt Cfg Logic 126
- 35 M-S Input 128
- 36 M-S Output 128
- 37 Ref Adjust 129
- Peer A Input 129
- Peer B Input 129
- 40 Peer Cmd Mask 130
- 41 Peer Flt Action 130
- 51 Peer Out Enable 133
- 52 Peer Out Time 133
- 53 Peer Out Skip 133
- 54 Access Control 134
- 55 Web Enable 134
- 56 Web Features 134
- APPENDIX C 137
- C.1 Identity Object 138
- Instance Attributes 139
- Services 139
- C.2 Assembly Object 140
- C.3 Register Object 141
- C.4 Parameter Object 143
- C.5 Parameter Group Object 146
- C.6 PCCC Object 148
- EtherNet I/P Objects 149
- Write Read 150
- C.7 DPI Device Object 153
- C.8 DPI Parameter Object 156
- Descriptor Attributes 159
- Decimal Places 160
- C.9 DPI Fault Object 161
- C.10 DPI Alarm Object 163
- C.11 DPI Diagnostic Object 165
- C.12 DPI Time Object 167
- C.13 TCP/IP Interface Object 169
- C.14 Ethernet Link Object 171
- APPENDIX D 175
- Logic Status Word 176
- Logic Command/Status Words 177
- GLOSSARY 179
- Glossary-2 180
- Glossary-3 181
- Glossary-4 182
- Glossary-5 183
- See also 184
- Glossary-7 185
- Glossary-8 186
- Documentation 191
- Improvement Form 191
- U.S. Drives Technical Support 194
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