Siemens Industrial Ethernet Switches SCALANCE X-200 User Manual Page 25
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Network topologies / media redundancy
2.4 MRP
SCALANCE X-200
Operating Instructions, 12/2011, A5E00349864-19
25
2.4 MRP
The "MRP" method conforms to the Media Redundancy Protocol (MRP) specified in the
standard IEC 62439-2 Edition 1.0 2010-02.
The reconfiguration time after an interruption of the ring is a maximum of 0.2 seconds.
Requirements
The following requirements must be met for problem-free operation with the MRP media
redundancy protocol:
● MRP is supported in ring topologies with up to 50 devices. Exceeding this number of
devices can lead to a loss of data traffic.
● The ring in which you want to use MRP may only consist of devices that support this
function. This applies, for example, to the following devices:
– Industrial Ethernet switches
SCALANCE X-200 as of firmware version V4.0
SCALANCE X-200 IRT as of firmware version V4.0
SCALANCE X-300 as of firmware version V3.0
SCALANCE X-400 as of firmware version V3.0
– Communications processors
CP 443-1 Advanced (6GK7 443-1GX20-0XE0) as of firmware version V2.0
CP 343-1 Advanced (6GK7 343-1GX30-0XE0) as of firmware version V1.0
CP 1616 (6GK1 161-6AA00) as of firmware version V2.2
CP 1604 (6GK1 160-4AA00) as of firmware version V2.2
– Non-Siemens devices that support this functionality.
Further Siemens devices are planned that will support MRP.
● All devices must be interconnected via their ring ports.
● If you configure in STEP 7, MRP must be enabled on all devices in the ring (see "MRP
configuration in PROFINET IO").
● If you configure with Web Based Management, CLI or SNMP, set all the devices in the
ring to "MRP Client" or "Automatic Redundancy Detection". At least one device in the ring
must have the setting "Automatic Redundancy Detection".
In their basic status, the "Automatic Redundancy Detection" mode is set on IE switches
as default.
● The connection settings (transmission medium / duplex) must be set to full duplex and at
least 100 Mbps for all ring ports. Otherwise there may be a loss of data traffic.
– To do this, set all the ports involved in the ring to "Automatic settings" in the "Options"
tab of the properties dialog during STEP 7 configuration.
– If you configure with Web Based Management, the ring ports are set automatically to
autonegotiation.
- 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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