Momentum Modbus Plus 170 PNT Series Guia do Utilizador Página 153
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Using the Ethernet Port
870USE10110 July 2004 153
Security Firewalls for Networks with M1 Ethernet Processors
Overview To restrict access to your Ethernet controller and I/O network, you may want to
consider a firewall. A firewall is a gateway which controls access to your network.
Types of
Firewalls
There are two types of firewalls:
network-level firewalls
application-level firewalls
Network-Level
Firewalls
Network-level firewalls are frequently installed between the Internet and a single
point of entry to an internal, protected network.
Application-
Level Firewalls
An application-level firewall acts on behalf of an application. It intercepts all traffic
destined for that application and decides whether to forward that traffic to the
application. Application-level firewalls reside on individual host computers.
- Momentum M1 Processor 1
- Adapter and Option Adapter 1
- User Guide 1
- Table of Contents 3
- 4 870USE10110 July 2004 4
- 870USE10110 July 2004 5 5
- 6 870USE10110 July 2004 6
- 870USE10110 July 2004 7 7
- 8 870USE10110 July 2004 8
- 870USE10110 July 2004 9 9
- 10 870USE10110 July 2004 10
- Safety Information 11
- About the Book 13
- Getting Started 16
- Overview of Momentum M1 17
- Processor Adapters 17
- Label Description 19
- 1 Standard port connector 19
- 3 LED indicators 19
- 870USE10110 July 2004 21 21
- Memory Size and 22
- Clock Speed 22
- Input and Output 23
- References 23
- 1 Modbus Port 1 connector 26
- 2 LED indicators 26
- 870USE10110 July 2004 27 27
- 870USE10110 July 2004 31 31
- 2 I/0Bus port connector 32
- 870USE10110 July 2004 33 33
- 870USE10110 July 2004 37 37
- 2 Modbus Port 2 connector 38
- 870USE10110 July 2004 39 39
- 870USE10110 July 2004 43 43
- 1 Ethernet port connector 44
- 2 I/OBus port connector 44
- 3LED indicators 44
- 870USE10110 July 2004 45 45
- 870USE10110 July 2004 47 47
- 870USE10110 July 2004 51 51
- 870USE10110 July 2004 55 55
- 870USE10110 July 2004 57 57
- 870USE10110 July 2004 59 59
- 870USE10110 July 2004 61 61
- Overview of 63
- Momentum Option Adapters 63
- 870USE10110 July 2004 67 67
- 172 JNN 210 32 68
- Serial Option 68
- Adapter 68
- Specifications 68
- 1 LED indicator 70
- 2 Battery compartment door 70
- 870USE10110 July 2004 71 71
- 172 PNN 210 22 72
- 870USE10110 July 2004 73 73
- (A Momentum Component) 74
- 870USE10110 July 2004 75 75
- 870USE10110 July 2004 77 77
- 870USE10110 July 2004 79 79
- Assembling 81
- 870USE10110 July 2004 83 83
- Procedure: 84
- Assembling an 84
- Adapter and an 84
- I/O Base 84
- 870USE10110 July 2004 85 85
- Removing an 87
- Adapter from an 87
- 870USE10110 July 2004 89 89
- 870USE10110 July 2004 91 91
- I/O base 93
- 2 Lift off the adapter 95
- Installation Guidelines 96
- 870USE10110 July 2004 97 97
- 3.4 Labeling the M1 CPU 99
- 870USE10110 July 2004 100
- Communication Ports on 101
- Momentum Components 101
- Communication Ports 102
- Using the Modbus Ports for 103
- 4.1 Modbus Port 1 104
- Using the Modbus Ports 105
- 4.2 Modbus Port 2 109
- Interconnect 119
- Components 122
- Modbus RS485 126
- Connector T 126
- (RJ45 Base) 126
- Using the Modbus Plus Ports 130
- Standard Cabling Schemes 132
- Cluster Mode Cabling Schemes 134
- Cluster 136
- Scheme #1 136
- Scheme #2 137
- Cable Between 139
- Clusters 139
- Terminating 143
- Resistor Plugs 143
- Using the Ethernet Port on 149
- Ethernet Port 150
- Using the Ethernet Port 151
- Transmission 162
- Transmission errors table 162
- Using the I/O Bus Port for 163
- Networks Momentum 163
- Using the I/O Bus Port 164
- Modsoft and Momentum 171
- Configuring an M1 CPU with 173
- Overview 174
- 870USE10110 July 2004 175 175
- Magnum 176
- Step Action 176
- 870USE10110 July 2004 177 177
- 2 Push <Enter> 178
- 870USE10110 July 2004 179 179
- Defaults for an 180
- 18.0 Adapter 180
- 870USE10110 July 2004 181 181
- 870USE10110 July 2004 183 183
- 870USE10110 July 2004 185 185
- Adapters 187
- Specials : 189
- Battery Coil 001536 189
- Timer Register 4 189
- 870USE10110 July 2004 191 191
- Port Parameters with Modsoft 193
- Should Not Be Changed 195
- 870USE10110 July 2004 197 197
- Using Modsoft 198
- Components Using Modsoft 199
- Adapters with Modsoft 203
- 870USE10110 July 2004 205 205
- At a Glance 207
- 870USE10110 July 2004 211 211
- 870USE10110 July 2004 213 213
- Configuring a Modbus Plus 215
- 10.1 Getting Started 216
- Modsoft) 220
- 3 Push <Enter> 222
- 870USE10110 July 2004 223 223
- 870USE10110 July 2004 227 227
- 870USE10110 July 2004 229 229
- 870USE10110 July 2004 231 231
- Completed 233
- Screen: Node 5 233
- (Using Modsoft) 235
- 870USE10110 July 2004 237 237
- 870USE10110 July 2004 239 239
- Defining the 240
- Global Inputs 240
- 870USE10110 July 2004 241 241
- Push <Enter> 242
- Defining Global 244
- 870USE10110 July 2004 245 245
- 870USE10110 July 2004 247 247
- 870USE10110 July 2004 249 249
- Saving to Flash 252
- Concept and Momentum 255
- 870USE10110 July 2004 259 259
- 870USE10110 July 2004 261 261
- 870USE10110 July 2004 263 263
- 870USE10110 July 2004 265 265
- 870USE10110 July 2004 267 267
- Default 144 words 268
- Minimum 4 words 268
- 870USE10110 July 2004 269 269
- 870USE10110 July 2004 271 271
- 870USE10110 July 2004 275 275
- 870USE10110 July 2004 277 277
- 870USE10110 July 2004 279 279
- 870USE10110 July 2004 281 281
- Using Concept 282
- Changing Mode and Data Bits 283
- 870USE10110 July 2004 285 285
- Changing the Modbus Address 287
- I/O Scanning 289
- Subnet Mask: 291
- Master Module (Slot): 291
- Health Block (1X/3X): 291
- (Using Concept) 292
- Components (Using Concept) 293
- Diagnostic Block (3X/4X): 295
- 171 CCC 980 20-984 295
- As shown below: 297
- 870USE10110 July 2004 299 299
- Editing the Local 301
- I/O map 301
- 2 Click on the Insert button 305
- Drop dialog appears 306
- 870USE10110 July 2004 307 307
- 870USE10110 July 2004 309 309
- 14.1 Getting Started 312
- Accessing the 313
- 870USE10110 July 2004 315 315
- Option Effect 316
- Devices on the Network 318
- 870USE10110 July 2004 321 321
- Cop dialog box 322
- 5 Click <OK> 332
- 870USE10110 July 2004 333 333
- Global Outputs 336
- Saving to Flash in Concept 337
- ProWORX32 and Momentum 341
- Configuring an M1 with 343
- ProWORX32 343
- File Edit View Window Help 344
- ProWORX 32 - [RIO_test] 344
- Modbus Plus Gateway TCP/IP 345
- 870USE10110 July 2004 347 347
- Hardware Clock 348
- Registers 348
- 870USE10110 July 2004 349 349
- Selecting the 350
- 870USE10110 July 2004 351 351
- 870USE10110 July 2004 353 353
- Appendices 357
- Ladder Logic Elements and 359
- Instructions 359
- Ladder Logic 360
- Standard Ladder 361
- A Special STAT Instruction 363
- Words Description 364
- 4 Not used 364
- 870USE10110 July 2004 365 365
- 16151413121110987654321 366
- 1 = ATI healthy 366
- 0 = ATI Not Healthy 366
- Error Codes 367
- Battery Life Information for 369
- Alkaline Batteries 369
- 870USE10110 July 2004 371 371
- Numerics 373
- 870USE10110 July 2004 375 375
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