Siemens Industrial Ethernet Switches SCALANCE X-200 User Manual Page 27
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Network topologies / media redundancy
2.5 MRPD
SCALANCE X-200
Operating Instructions, 12/2011, A5E00349864-19
27
2.5 MRPD
The redundancy procedure MRPD (Media Redundancy with Path Duplication)
The MRPD procedure is specified in IEC 61158 Parts 5 and 6 type 10 "PROFINET". It allows
redundancy for PROFINET IRT.
In MRPD, the cyclic IRT frames are duplicated and sent to the recipient via different paths.
The two redundant paths are planned in STEP 7. Two different paths are then available if the
entire network or part of it has a ring topology.
Requirements
● All devices involved must support IRT.
● All devices involved must support MRPD.
Among the Industrial Ethernet switches, this means the following devices:
– SCALANCE X-200IRT as of firmware version 5.0
● STEP 7 as of version V5.5 SP1
Project engineering
MRPD can only configured in STEP 7 and there are no alternative configuration options.
To prevent loops forming and to ensure redundancy for other types of communication, MRP
is always required for MRPD. If you activate MRP in STEP 7, products capable of IRT and
MRPD use MRPD automatically.
The "High Performance" version of IRT must be used and the topology of the network must
be configured.
- SCALANCE X-200 1
- SIMATIC NET 1
- Industrial Ethernet Switches 1
- SCALANCE X-200 1
- Postfach 48 48 2
- 90026 NÜRNBERG 2
- GERMANY 2
- Preface 3
- SCALANCE X-300 4
- SCALANCE X-400 modular 4
- What is possible? 4
- Preface 5
- Table of contents 10
- Table of contents 11
- Safety notices 13
- See also 15
- 2.1 Network topologies 17
- Star topology 18
- Ring topology 19
- 2.1 Network topologies 20
- 2.1 Network topologies 21
- Structure of a ring topology 23
- Media redundancy methods 24
- Media redundancy with IRT 24
- 2.4 MRP 25
- Topology 26
- 2.5 MRPD 27
- 2.6 HSR 28
- Coupling option 29
- 3.3 Unpacking and checking 34
- 3.4 SCALANCE XF204 35
- 3.5 SCALANCE X208 38
- 3.6 SCALANCE XF208 41
- 3.7 SCALANCE X216 44
- 3.8 SCALANCE X224 47
- Transmission speed 53
- 3.10 SCALANCE XF204-2 54
- 3.11 SCALANCE X206-1 58
- 3.12 SCALANCE XF206-1 62
- 3.13 SCALANCE X212-2 66
- 3.14 SCALANCE X204-2LD 70
- 3.15 SCALANCE X206-1LD 75
- 3.16 SCALANCE X212-2LD 80
- 3.17 SCALANCE X202-2IRT 85
- 3.18 SCALANCE X204IRT 89
- 3.19 SCALANCE XF204IRT 92
- 3.20 SCALANCE X204 IRT PRO 95
- Autonegotiation 100
- Auto polarity exchange 100
- Transmission medium 101
- Transmission range 101
- Connectors 101
- Transmission rate 101
- Transmission mode 101
- Possible attachments 102
- Connector pinout 103
- 3.23 SCALANCE X202-2P IRT 106
- 3.24 SCALANCE X201-3P IRT 110
- 3.25 SCALANCE X200-4P IRT 114
- Area of application 116
- How it works 116
- Compatible devices 116
- Diagnostics 117
- Inserting in the C-PLUG slot 117
- Removing the C-PLUG 118
- 3.27 Button 119
- 3.28 Displays 120
- 3.28.2 Power display 121
- Power display 122
- Product properties 123
- 3.28 Displays 123
- Product properties 124
- 3.28 Displays 124
- LED display during startup 127
- Installation 129
- 4.1 Installation 130
- Uninstalling 131
- 4.4 Wall mounting 133
- 4.4 Wall mounting 134
- Connection 135
- 5.1 Power supply 136
- Connection 137
- 5.1 Power supply 137
- 5.2 Signaling contact 140
- 5.2 Signaling contact 141
- 5.3 Grounding 142
- 6.1.1 Introduction 147
- Supported operating systems 148
- Procedure 148
- 6.1.2.3 The DLC protocol 149
- Checking 149
- SCALANCE X-200 150
- Removing a module 153
- Properties of DHCP 154
- RFC - Request for Comments 154
- Command Line Interface (CLI) 156
- Figure 6-5 LOGON screen 158
- 6.3.2 LED simulation 159
- 6.3.3 Working with WBM 159
- Buttons 160
- Shortcuts for commands 161
- Directory structure 161
- Cross-menu commands 162
- 6.3.5 WBM menus 163
- System Configuration 164
- C-PLUG Information 166
- System Save & Load HTTP 172
- System Save & Load TFTP 174
- System Version Numbers 177
- System Passwords 179
- System Select/Set Button 180
- System Event Log Table 180
- Fault Mask 183
- "Ring redundancy" 185
- Standby manager 190
- Agent Configuration 192
- User Name 203
- Agent Event Configuration 204
- Port Mirroring 211
- Switch Ports 213
- Switch Port Diagnostics 216
- Switch Forwarding Database 217
- Protocol (LLDP) per port 219
- Symbol Meaning 223
- POF port 224
- Loop Detection Configuration 226
- Loop Detection Control 228
- Loop Detection Port Control 228
- 1024-1518 233
- 6.3.6 SNMP 238
- 6.3.6.2 MIB variables 239
- Port Indexes 240
- Supported devices 243
- PROFINET IO functionality 245
- Linking in a GSDML file 247
- Assigning a device name 248
- 8.2 Settings in HW Config 249
- 8.2.2 Configuring MRP 250
- PROFINET IO functionality 251
- 8.2 Settings in HW Config 251
- Ring port 1 / ring port 2 252
- Diagnostics interrupts 252
- Partners 255
- Data record 0x802A 259
- BlockType 259
- BlockLength 259
- BlockVersionHigh 259
- BlockVersionLow 259
- PeerMACAddress 261
- MAUType 261
- DomainBoundary 261
- MulticastBoundary 262
- LinkState 262
- MediaType 262
- Approvals and markings 263
- EU declaration of conformity 264
- Approvals and markings 265
- )'$ 266
- Approvals 269
- Mechanical stability 273
- Technical specifications 275
- Technical specifications 277
- Accessories 285
- References 287
- Dimension drawings 289
- Dimension drawings 291
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