Allen-Bradley 1734-ADN Manual de usuario Pagina 23
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Valorado. / 5. Basado en revisión del cliente
Publication DNET-UM004A-EN-P - March 2004
Before You Begin 1-11
Calculate Scanner Memory
Requirements
A Logix5000 scanner has fixed sections of memory for the input and
output data of your network. Each device on your network requires
either some input or output memory of the scanner. Some devices
both send and receive data, so they need both input and output
memory.
To make sure your network is within limits, calculate the amount of
input and output memory that the scanner needs. This information
will also be very useful when you configure the scanner.
Check the I/O Limits of the Scanner
Once you tally the input and output data for your network, make sure
it is within the limits of the scanner. If they exceed the limits, use
multiple scanners.
scanner
module
device device device
Input
Memory
DINT
DINT
DINT
Output
Memory
DINT
DINT
DINT
If a device sends input data, it uses
input memory in the scanner.
The memory of a Logix5000 scanner is organized as an array
of DINTs (4-byte elements). A Logix5000 system is easier to
program if you give each device its own DINT or DINTs
within the scanner.
If a device gets output data, it uses
output memory in the scanner.
byte 3 byte 2 byte 1 byte 0
DINT
Device A
DINT
Device B
DINT
The data fills only the portion
of memory that it needs.
Some memory may be left
empty (not used).
Scanner Maximum input data (DINTs) Maximum output data (DINTs)
1756-DNB 124 123
1769-SDN 90 90
1784-PCIDS 124 123
1788-CN2DN 124 123
1788-EN2DN 124 123
1788-DNBO 124 123
- DeviceNet 1
- Modules in 1
- Logix5000™ 1
- Control Systems 1
- Important User Information 2
- About This Manual 3
- Who Should Use this 4
- Conventions in this Manual 4
- Table of Contents 5
- Table of Contents 2 6
- Chapter 7 7
- Control a Device 7
- Chapter 8 7
- Table of Contents 4 8
- Table of Contents 5 9
- Chapter 15 10
- DeviceNet Network 10
- Appendix A 11
- Give a Value Its Own Memory 11
- Location 11
- Table of Contents 8 12
- Before You Begin 13
- 1-2 Before You Begin 14
- Preliminary Actions 15
- 1-4 Before You Begin 16
- Choose a Scanner 17
- Bridging Across Networks 18
- Choose a Baud Rate for the 21
- 1-10 Before You Begin 22
- Calculate Scanner Memory 23
- 1-12 Before You Begin 24
- Assign an Address to Each 25
- Here’s an example: 26
- Create a File for the 29
- Draw Your Network 30
- Configure Each Device 31
- 1. Double-click the device 32
- Configure the Scanner 34
- 1. Double-click the scanner 35
- CompactLogix 36
- 1. Click the Module tab 36
- Set the Alignment Option 37
- Build the Scan List 39
- Generate an RSNetWorx 42
- Download the 43
- Configuration to Network 43
- Go Online to the Network 44
- IMPORTANT 45
- Connect a Computer to a 48
- Configure a Driver for a 49
- RS-232 DF1 Devices 50
- Ethernet Devices 50
- 1784-PCC 50
- 1784-PCD 51
- 1770-KFD 51
- Make Sure the Driver Works 52
- How To Use This Chapter 53
- Determine If You Can Use 53
- AutoScan 53
- How AutoScan Effects Your 54
- Install the Node 54
- Commissioning Tool 54
- Connect Each Device to the 55
- Add the Scanner to the 58
- RSLogix 5000 Project 58
- Turn On AutoScan 59
- Access Device Data 61
- Put the Scanner in Run 63
- Additional Information 64
- About AutoScan 64
- Set the Address of a Device 68
- Set an Address with 69
- Software 69
- Procedures for Specific 70
- Set the DeviceNet Address 72
- Disable AutoBaud 72
- 23456781 74
- Turn Off BootP/DHCP 75
- Make Sure Your Devices 77
- Are on the Network 77
- Configure Your Network Online 79
- 1. Start RSNetWorx software 82
- 2. Create a file 82
- 4. Choose OK 82
- Save the file 82
- 2. Click the Module tab 88
- Upload and Save the 94
- Network File 94
- Add the Scanner to the I/O 99
- 7-4 Control a Device 100
- Control a Device 7-5 101
- 7-6 Control a Device 102
- Determine the Address of 103
- DeviceNet Data 103
- 7-8 Control a Device 104
- Where: Is: 105
- Program Your Logic With 106
- Alias Tags 106
- Determine If a Device Has 107
- Place the Scanner in Run 108
- When to Use a MSG 109
- Instruction 109
- Determine the Parameter 109
- Number to Access 109
- Determine the 110
- Configuration of the 110
- Parameter 110
- Test the Parameter 111
- Enter Message Logic 112
- Control a Device 7-17 113
- 7-18 Control a Device 114
- Set the Communication Path 115
- 7-20 Control a Device 116
- Interlock and Share Inputs 117
- Choose a Master Controller 118
- 2. Choose Slave Mode 119
- 3. Enable Slave Mode 119
- 4. Define the I/O parameters 119
- Map the Slave Mode Data 120
- Share Inputs 121
- Terminal 125
- Choose an Communication 126
- Explicit Server Communication 127
- Explicit Client Communication 127
- Plan and Configure I/O 128
- Slave Tags 128
- Configure an I/O Slave Tag 130
- Set Up the Terminal on the 131
- Configure the Scanner to 133
- Update I/O Slave Tags 133
- Edit I/O Parameters 134
- Map Input and Output Data 134
- Address I/O Slave Tags in 135
- Plan and Configure Explicit 137
- Server Tags 137
- Program the Controller to 140
- Get/Set Explicit Server Tags 140
- Configure Explicit Client 143
- Using This Chapter 147
- Before You Use This 148
- Create a Topic for the 149
- Create a Node 150
- Create a Tag for the 151
- Factors that Effect 154
- Performance 154
- I/O Parameters of Each Device 155
- Background Poll 155
- Interscan Delay 156
- Change the Configuration of 157
- Strobed Transfer 159
- Polled Transfer 160
- Save the Network File 161
- Front Display 163
- Module status indicator: 164
- Network status indicator: 164
- ControlLogix Scanner 1756-DNB 165
- MOD/NET I/O OK 165
- I/O status indicator 166
- OK status indicator 166
- Module status (MS) indicator 169
- Network status (NS) indicator 169
- CIP Link status indicator 171
- Module (Mod Status) indicator 171
- I/O Status indicator 172
- Module (MOD) status indicator 173
- Status Tags in the 175
- Controller 175
- Status Register 176
- Status Tags 177
- Status Codes 178
- Replacement of a Failed 181
- How to Use This Chapter 181
- How to Automate the 181
- ATTENTION 182
- Set Up Automatic Device 183
- Recovery 183
- 1. Go online 184
- 2. Configure the devices 184
- Define the Electronic Key 185
- Tally Memory 190
- Requirements 190
- Assign an Address to the 191
- If You Configure the 191
- Adapter Offline 191
- Set the Address of the 192
- If You Change the 192
- Interpret the Status 193
- Indicators 193
- Choose a Connecting 196
- Assign Addresses to the 198
- Set the Address of a 199
- POINTBlock I/O Module 1734D 200
- Automatically Sequence 201
- Point I/O Addresses 201
- Configure a Point I/O 202
- 1. Double-click the adapter 203
- 2. Click the Parameters tab 203
- 3. Upload the configuration 203
- To DWord Boundaries 204
- 2. Apply the change 204
- 3. Download the change 204
- Create a File for the Subnet 205
- Access the Subnet 205
- Adapter Status indicator 208
- DeviceNet Status indicator 209
- System Power indicator 210
- Field Power indicator 210
- Interpret POINT I/O Data 212
- (Data Maps) 212
- Message size: 1 Byte 213
- Where: 0 = Off 1 = On 216
- Message size: 6 Bytes 217
- Channel Status 218
- Message size: 4 bytes 219
- Message size: 2 Bytes 219
- Message size: 8 Bytes 222
- 1734-232ASC ASCII Module 225
- Appendix 227
- When to Use This Appendix 227
- Give a Value Its Own 228
- Memory Location 228
- Numerics 229
- 2 Index 230
- Index 3 231
- 4 Index 232
- Index 5 233
- 6 Index 234
- How Are We Doing? 235
- BUSINESS REPLY MAIL 236
- Rockwell Automation 238
- User Manua 239
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