Siemens SIMATIC TIWAY 1 Especificaciones descargar pdf (Pagina 102)

DirectNET Host

Communications Prog.

6–21

DirectNET Host Communications Programs

What part of the manual should you use next?

Once you’ve created the communications program, you can start the network.

Chapter 7 provides information concerning network operation and troubleshooting.

Appendix C provides an example of a hosted network.

Start the Network

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 206 207

DirectNETt 1
Trademarks 2
Manual Revisions 3
Table of Contents 4
How to Use 13
Introduction 14
Getting Started with 16
DirectNET 16
Communications 16
The DirectNET Basics 17
Operator Interface 20
Choosing a Configuration 23
Combination 24
1 – PLC as Master Network 24
2 – Host as Master Network 24
3 – Peer as Master Network 24
How can I create a network? 27
Network Design 28
Choosing the Configuration 29
Possible Configurations 31
Step 3: Secure the shield to 37
DL430 and DL440 Port Pinouts 39
DL405 DCM Port Pinouts 40
DL340 CPU Port Pinouts 41
DL305 DCU Port Pinouts 42
DL240 CPU Port Pinouts 43
Point-to-point Cables 44
Master Slave 47
Multi-Drop Cables 49
Network Design Checklist 57
Communication 58
Settings 58
10 11 12 13 14 15 62
D3–340 CPU 67
Port On Delay Off Delay 68
Port 1 R776 R777 68
Port 2 R774 R775 68
Programs 72
Y20 – Y37 73
Y0 – Y17 73
* See Note on DCM Address 75
Specifying the Amount of Data 76
01234567 79
DirectNET Host 82
Modes of Operation 85
Protocol Components 87
Initiating the Request 91
Acknowledging the Request 92
Defining the Request 93
Transferring Data 95
ETB or ETX 96
Data Block 96
Calculating the Data LRC 98
Ending the Request 99
Timing Considerations 100
Network Operation 103
Starting the Network 104
Troubleshooting 105
& Troubleshooting 107
Master / Slave 110
The Example 111
Remember these Four Steps! 113
Step 1: Design the Network 114
*Delay time in milliseconds 116
Step 4: Start the Network 124
V MON 0000 XXXX 126
Peer Master Example 128
Host Master Example 144
Appendix C 154
Host Master 154
Data Types and 159
Memory Maps 159
DL405 Data Types 160
DL430 Memory Map 165
DL440 Memory Map 166
X Input Bit Map 167
Y Output Bit Map 168
Remote I/O Bit Map 169
Control Relay Bit Map 171
Appendix D 174
DL405 Memory Map 174
Timer Status Bit Map 175
Counter Status Bit Map 176
Memory Map 177
DL305 Data Types 178
DL330 Memory Map 181
DL330P Memory Map 182
DL340 Memory Map 183
I/O Point Bit Map 184
Special Relays 187
0 10010011 0100010 188
R565 R564 188
Data Registers 189
Shift Register Bit Map 192
Special Registers 193
DL305 / 405 Cross Reference 194
DL205 Data Types 197
DL230 Memory Map 202
DL240 Memory Map 203

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