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Summary of Contents for Vnet/IP

Page 1: ...al Information Vnet IP Network Construction Guide TI 30A10A05 01E TI30A10A05 01E Copyright Aug 2011 YK 5th Edition Mar 2019 YK Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750...

Page 2: ...Blank Page...

Page 3: ...the network To set up a system without using information network you have to fully understand the conditions described in Chapter 1 6 of this document and then configure and run the system appropriat...

Page 4: ...s on a network ENG A station with engineering functions that performs CENTUM system configuration and maintenance management It can be the same station as the HIS Exaopc A station on which Exaopc OPC...

Page 5: ...HIS or ENG functions SFP A Small Form factor Pluggable SFP is an MSA compliant detachable optical transceiver for network communication devices SIOS A System Integration OPC Station SIOS integrates t...

Page 6: ...se icons WARNING Indicates precautions to avoid a danger that may lead to death or severe injury CAUTION Indicates precautions to avoid a danger that may lead to minor or moderate injury or property d...

Page 7: ...ndows is registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Ethernet is a registered trademark of XEROX Corporation Other company and product name...

Page 8: ...Blank Page...

Page 9: ...1 11 1 4 Vnet IP System Structure 1 13 1 5 Information Network Communication 1 20 1 6 Conditions without an Information Network 1 21 2 Vnet IP Network Configuration 2 1 2 1 IP Address Setting 2 2 2 2...

Page 10: ...ayer 2 Switch L2SW 4 1 4 2 Layer 3 Switch L3SW 4 1 4 3 Cable for Vnet IP 4 2 4 4 Time Synchronization 4 4 4 5 Precautions when Installing Network Devices 4 9 4 6 Notes on System Power on 4 10 4 7 Ring...

Page 11: ...0A10A05 01E 1 Overview of Vnet IP Vnet IP is a highly reliable and responsive control network that is developed by YOKOGAWA This section provides an overview of Vnet IP by describing its functions and...

Page 12: ...formed by using bus 1 However when a problem occurs in bus 1 the path switches immediately and automatically so that the control communication is performed by using bus 2 n Real time response Vnet IP...

Page 13: ...Exaopc ENG SENG PRM PCS Subsystem Node Unit ESB bus Information Network Ethernet Network Printer File Server 010201E ai Business Network OPC Clients PRM Clients Firewall SNTP Server V net Domain L3SW...

Page 14: ...Vnet IP interface card is installed FCS and SCS for Vnet IP and V net router are all referred to as Vnet IP stations Vnet IP stations support Vnet IP protocols Vnet IP stations HIS ENG FCS APCS UGS S...

Page 15: ...FIO 19 inch Rack Mountable AFV30D Duplexed Field Control Unit for Vnet IP and FIO 19 inch Rack Mountable AFV40S Field Control Unit for Vnet IP and FIO with Cabinet AFV40D Duplexed Field Control Unit f...

Page 16: ...face card is required to connect to Vnet IP n PRM Field communications Server The Field Communications Server of PRM is a station that collects and configures field device information online A Vnet IP...

Page 17: ...each other If a Vnet IP system consists of multiple domains the routing function of layer 3 switches relays communications among the domains Vnet IP uses the recommended layer 3 switches that support...

Page 18: ...s n Control communications Communication method Read write communications message communications and link transmission Link transmission period 100 msec n Transmission path Network topology Star topol...

Page 19: ...ata required Vnet IP usually uses bus 1 for the control communication path It does not use bus 1 and bus 2 alternately When a problem occurs in bus 1 the communication path switches to bus 2 However a...

Page 20: ...rmation and the CPU module to which the information is sent In the following figure station A determines that CPU2 has the control rights for station B and therefore communicates with station B CPU2 t...

Page 21: ...cations n Detouring communication path by Ring network Suppose a system configuration in which L2SWs are connected in series as shown in the following figure In the system shown in Fig 1 in which the...

Page 22: ...mmunication to the Vnet IP station connected to the switch B will not recover and the Vnet IP communication switch to the bus 2 By adopting the ring structure reliability of the Vnet IP communication...

Page 23: ...P stations are connected domains can be separated to increase the number of stations connected In a CENTUM and ProSafe RS system you can configure up to 16 domains which can be a combination of Vnet I...

Page 24: ...tenance perspective we recommend that you use the same number of levels of layer 2 switches and path length for bus 1 and bus 2 1 In case further length is required contact YOKOGAWA for details The fo...

Page 25: ...s in a narrow band network where the link speed is less than 1 Gbps contact YOKOGAWA The following figure shows the connection topology between domains Layer 3 switches that are installed for bus 1 an...

Page 26: ...t IP stations on the upper domain Bridge connection A connection securing independence of the domains Messages from FCS SCS and or HIS generated in one of the domains are not received by the Vnet IP s...

Page 27: ...outers are not counted as an acceptable number of hierarchical V net connections The following figure shows the number of levels in a specific hierarchical structure 010405E ai HIS ENG SENG HIS L2SW B...

Page 28: ...r AVR10D S3 HIS ENG FCS L2SW Upper V net Domain Lower V net router AVR10D S3 HIS FCS HIS FCS V net router AVR10D S3 V net router AVR10D S3 Upper Lower Upper Lower Upper Lower V net Domain 1 1 Vnet IP...

Page 29: ...en domains 010407E ai V net router AVR10D S3 HIS ENG L2SW Upper V net Domain V net router AVR10D S3 Upper Lower Vnet IP Domain FCS FCS HIS ENG Vnet IP Domain Lower L2SW Figure Example of Connection of...

Page 30: ...neering with shared files Sequence table drawing SEBOL and SFC status display data acquisition between ENG and HIS with shared files Trends of other stations between HIS and other HISs socket communic...

Page 31: ...OPC Interface Package for HIS 2 For the dual redundant configuration of UGS it is strongly recommended to perform Ethernet communication by the network connected to a UGS s Ethernet card and do not u...

Page 32: ...some settings regarding the system configuration This section describes the information required to set up a Vnet IP network and provides detailed examples It also describes the normal configuration...

Page 33: ...for each Vnet IP station by using a DIP switch Domain numbers must not be duplicated within their respective Vnet IP and V net domains Table Network address Bus line IP address Subnet mask Bus 1 192...

Page 34: ...default IP address that is automatically determined by the domain number and station number IP address 172 16 domain number station number Subnet mask 255 255 0 0 020102E ai IP address for control com...

Page 35: ...set from the Windows operating system System View of ENG UGS For bus 1 192 168 dd 2 ss Automatically set by the DIP switch in Vnet IP interface cards For bus 2 192 168 128 dd 2 ss For information netw...

Page 36: ...128 dd 2 ss For information network 172 17 dd ss Manually set from the Windows operating system V net router For bus 1 for control communications for CPU 1 192 168 dd 2 ss Automatically set by the DIP...

Page 37: ...le domain n Number of ports required for layer 2 switches One layer 2 switch manages the network of one bus You need at least one layer 2 switch for each bus 1 and bus 2 Use the following equation to...

Page 38: ...set by default Therefore to set up a system you only have to connect to the layer 2 switches in each domain and to those ports with the same number as the domain number 020202J ai L2SW Bus 1 side L2SW...

Page 39: ...It is necessary to change the settings of the recommended layer 3 switch to connect domains in a cascade By default the host address of all ports in the recommended layer 3 switch is set to 253 In the...

Page 40: ...operation scopes can operate without handling system alarms and operation logs from other operation scopes 020203J ai Vnet IP Domain 1 All System Management Vnet IP Domain 2 Control System A Vnet IP D...

Page 41: ...the lower level project However the lower level project cannot run or monitor the upper level project The following figure shows an available configuration for a hierarchical connection 1 1 To connec...

Page 42: ...CS0201 SCS0202 BCVV0203 V net router Information Network L2SW Bus 2 side SENG0164 HIS0163 SCS0101 FCS0102 V net V net Domain Domain1 Vnet IP Domain Domain2 Figure Example of a connection between Vnet...

Page 43: ...ain to the upper level domain FCS Message Communication Transfer lower Check Specify whether or not to transfer FCS and SCS messages generated on the upper level domain to the lower level domain HIS M...

Page 44: ...is transferred to a V net domain It is not necessary to set a Vnet IP domain to which this V net router is connected because a frame is always transferred in this case V net Gateway Station Name Stati...

Page 45: ...as recover from failures Specifically a signal from a FAULT output terminal of the network switch assigned as the Ring manager RM has to be received by a digital input module of CENTUM VP s FCS and i...

Page 46: ...d on the system you have to implement security measures such as using a firewall when connecting to OPC clients on external networks from the information network Contact the network administrator to d...

Page 47: ...information network if certain conditions 1 are satisfied In this case use Vnet IP bus 2 to perform information network communication The information network communication that is performed through V...

Page 48: ...aining the bandwidth used in Vnet IP domains below the acceptable limit On the other hand you can connect Vnet IP interface cards to layer switches directly because Vnet IP interface cards can restric...

Page 49: ...the following table A domain number is set for each Vnet IP station by using a DIP switch Domain numbers must not be duplicated within their respective Vnet IP and V net domains Table Network address...

Page 50: ...s Allocation n Virtual IP address for control network TCP IP communications The control network TCP IP protocol is used for communications such as downloading recipes in CENTUM from HIS to FCS Vnet IP...

Page 51: ...ws operating system System View of ENG Control bus TCP IP communications 172 16 dd ss FCS Single CPU For bus 1 192 168 dd 2 ss Automatically set by the DIP switch For bus 2 192 168 128 dd 2 ss Control...

Page 52: ...yer 2 switches One layer 2 switch manages the network of one bus You need at least one layer 2 switch for each bus 1 and bus 2 Use the following equation to calculate the number of ports required for...

Page 53: ...h port in the recommended layer 3 switch is set by default Therefore to set up a system you only have to connect to the layer 2 switches in each domain and to those ports with the same number as the d...

Page 54: ...system alarms and operation logs from other operation scopes 030303E ai Vnet IP Domain 1 All System Management Vnet IP Domain 2 Control System A Vnet IP Domain 4 Control System B Vnet IP Domain 3 Cont...

Page 55: ...ction Bus 1 only It is necessary to change the settings of the recommended layer 3 switch to connect domains in a cascade By default the host address of all ports in the recommended layer 3 switch is...

Page 56: ...s for connecting to Vnet IP are already configured in the recommended layer 3 switch By default the IP addresses of the ports are also configured to enable connection to domains You can enable inter d...

Page 57: ...ace specifications as defined by the IEEE802 3 standard 3 In case further length is required refer to Network Switch for Vnet IP TI 30A10A30 01E Depending on system configurations and device location...

Page 58: ...l fiber cable type for connecting switches in a Vnet IP domain Use the single mode optical fiber cable type when installing new optical fiber cables If you are reusing existing multi mode cables ensur...

Page 59: ...andardizes the network time for all Vnet IP stations connected to the Vnet IP network Furthermore the system software for Vnet IP stations updates its system time to match the network time The followi...

Page 60: ...hin the domain Vnet IP stations that receive time synchronization broadcasting communications from the domain master station synchronize the time by comparing their own network time to the time broadc...

Page 61: ...synchronized for domains whose time group is 0 The time synchronization accuracy of the network time between domains is expressed as follows 5 msec When one bus is abnormal the accuracy may become wo...

Page 62: ...ered as the network time master It synchronizes its time with the domain master stations that belong to the same time group F040303E ai FCS L2SW Domain 1 L3SW HIS SCS L2SW Domain 2 HIS ENG SENG Domain...

Page 63: ...an HIS Even though the system time is adjusted from the Windows Control Panel the correct time is not set because the time synchronization service program sets the system time to the network time Use...

Page 64: ...precautionary measures for all network devices against power failures n Vnet IP cable connection Connect appropriate cables and confirm the link is up with the correct transmission speed Please refer...

Page 65: ...P Built in security Features TI 30A10A20 01E n Notes on system maintenance Do not turn off the Layer 2 or the Layer 3 switches for both buses at the same time such as during the system maintenance In...

Page 66: ...order to establish the ring network with Vnet IP L2SWs in a domain must be structured in a ring Several protocols for redundancy are available to form the ring network however the Media Redundancy Pro...

Page 67: ...m because the communication status between the stations does not change As a countermeasure CENTUM system has to be engineered to adopt a FAULT output terminal as a DI signal in the FCS to generate al...

Page 68: ...odule is required to receive an output from the FAULT terminal of the network switch An open channel per ring is needed In case a ring in bus 1 and another ring in bus 2 exist total of 2 open channels...

Page 69: ...A new chapter High Reliability with Ring Configuration is added 1 4 The description of Vnet IP domain is revised to add ring topology A figure Sample Structure of Multiple Domains Ring Topology is ad...

Page 70: ...ect to change without notice Written by Yokogawa Electric Corporation Published by Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Printed by KOHOKU PUBLISHING PRINTING...

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