S7-400H硬件冗余解决方案

Klicken Sie, um die Formate des Vorlagentextes zu bearbeiten,Zweite Ebene,Dritte Ebene,Vierte Ebene,Fnfte Ebene,Automation and Drives,Klicken Sie, um das Titelformat zu bearbeiten,Fault-tolerant SIMATIC,Overview,Redundancy features,Configuration,Communication,Redundant I/O,Switchover,Synchronization,Self-test,Programming,CIR,Online repair,A&D AS, 07/2004, Chart,49, Siemens AG 2004 - Subject to change without prior notice,Automation and Drives,IMATIC S7-400H,S,The Fault-tolerant Automation System,Benefits,Avoidance of control system failures due to individual faults,This is attained primarily through a redundant configuration,Fault-tolerance is required in the following cases:,When processing valuable materials,When downtimes or production failures would be expensive,When a control system failure would result in high restart costs,In order to enable operation without supervisory or maintenance personnel,Overview,Industries (1),Power generation and distribution(oil, gas, electricity),Power plants,Pipelines,Offshore,District heating systems,Chemical, electrochemical, petrochemical and pharmaceutical industries,Mining,Environmental engineering,Water treatment,Refuse incineration,Pulp and paper,Steel and metal,Overview,Industries (2),Food and beverages,Glass industry,Semiconductor industry (utilities),Transport,Tunnel automation,Marine automation,Airports,Runway lighting,Baggage transport,Overview,System architecture,Management level,PC network/terminal bus,Process level,Field level,ET 200M,Ethernet,Redundant,IM 153,Redundant,power supply,H CPUs,Hot stand-by,Clients,Parallel redundancy,Server,Parallel redundancy,With archive-matching,SW redundancy,Warm stand-by,Media redundancy,Fault-tolerantcommunication,Overview,Redundant,PROFIBUS,System integration,Hidden redundancy,Transparent programming(programming same as for non-redundant systems),Standard system parameterization,Standard handling,All SIMATIC programming languages can be used without restriction,Platform for F andFH systems,Overview,Redundancy principle (1),m-of-n,Fault-tolerant,and failsafe,HW or SW voting,A,B,C,m-v-n,A,Cold stand-by =,manual switchover,R,A,R,1-v-2,1-v-2,2oo2,2oo2,Fault-tolerant,Failsafe,A,B,A,B,1,2-v-2,1-v-2,2oo2,1oo2,Passive redundancy,Active redundancy,Majority redundancy,Redundancy with identical components(homogeneous redundancy),Redundancy principle S7-400H,Redundancy features,Hot stand-by =,automatic switchover, 100 ms,Warm stand-by =,automatic switchover,in seconds range,Process,Redundancy principle (2),IM,DI,AI,AO,DO,IM,FM,Synchronization,information,and status exchange,Redundancy features,Bumpless master-stand-by switchover,Switchover time,Switchover time 100ms,Outputs are retained during switchover,No information or alarm/interrupt is lost,Switchover criteria,Master failure,Power supply,Rack,Sync module,Sync cable,CPU,Failure of a DP string or DP slave interface module does not force a switchover,Redundancy features,Switchover,Automatic event synchronization,Synchronization procedure,Subcontroller A,Subcontroller B,Cycle,synchronization,Subcontroller A,Subcontroller B,Time,synchronization,Command,synchronization,Subcontroller A,Subcontroller B,Subcontroller A,Subcontroller B,No,synchronization,Redundancy features,Synchronization,Event synchronization,Synchronization,Information,and status exchange,Automatic event synchronization,Principle,A,I 10.0,+,F,L,DW 10,L,PW100,:,:,:,S,O 8.0,A,I 10.0,+,F,L,DW 10,L,PW100,:,:,:,S,O 8.0,T,PW130,:,Ackn.,Value,Switchover,Synchronization,Synchronization,Redundancy features,Synchronization,CPU 1,CPU 0,Automatic event synchronization,Cycle,Self-test,PIO,PIO,Match-up,PII,PII exchange,Synchronization,User program,User program,Self-test,PII,Redundancy features,Synchronization,Automatic event synchronization,Customer benefits,Transparent programming,All standard SIMATIC-S7 programming languages,No command restrictions,Easy porting of the user programfrom standard CPU to fault-tolerant CPU,Bumpless switchover,No loss of information,No loss of alarms/interrupts,Because all redundancy-specific functions are handled by the operating system, the user can feel assured that he/she has done everything right as far as redundancy is concerned,Redundancy features,Synchronization,Comprehensive self-test functions,Self-test,Scope:,CPU,Memory,Synchronization link,Organization:,Startup self-test,Complete test,Self-test in cyclic mode,Executes permanently as background task,Executes in its entirety within a,specifiable,amount of time (default: 90 minutes),Redundancy features,Self-test,Online programming,Online modifications same as for standard system,All modifications are automatically copied to both CPUs,Connecting a PG,At MPI interface,Via bus,MPI/DP,PROFIBUS/Ethernet,Redundancy features,Programming,Online programming,Programming/parameter assignmentSIMATIC Manager H-station view,Redundancy features,Programming,Online Programming,Programming Hardware configuration,Redundancy features,Programming,Configuration in RUN (CIR),CPU memory configuration,Adding or removing:,Central I/O or CP,DP slaves,PA interface and PA slaves,Y-link and slaves,Modules in modular DP slaves,CPU parameter,Redundancy features,CIR,Automatic CPU re-incorporation following repair,Connect and update stand-by CPU (1),Stand-by requests link-up,Master copies all,data to stand-by,MASTER,STAND-BY,RUN solo,STOP,Execute start routine,and self-test,CPU 1 requests update,Master copies dynamic data,DisableDelete, Copy and Generate Blocks,functions,Terminate communication,via configured links.,Disable low-priority alarms,User program,OS,Redundancy features,Online repair,Automatic CPU re-incorporation following repair,Connect and update stand-by CPU (2),Dynamic data which have changed since the last update,MASTER,STAND-BY,(link-up),Inputs, outputs, timers,counters, memory bits,Redundant, synchronous operation,Enable alarms/interrupts,and communication,Disable all alarms/,interrupts,Redundancy features,Online repair,Replacing modules in RUN mode,Modules which can be removed and inserted in Run mode,I/O and CP,Sync module,Redundant IM 153-2,Redundant power supplies,Redundant components which can be replaced with the power off:,Standard power supplies,Central IM,CPU,CPU is automatically updated following replacement(program and data),Redundancy features,Online repair,ConfigurationHighlights new CPUs,Performance Increase,Average Increase,417-4H appr. x 2,5-3,414-4H appr. x 1,2-2,2,More Memeory,417-4H from 4 MB to 20MB,414-4H from 768KB to 1,4MB,Higher Reliability,Memory with automatic Ewrror Detection and Correction (EDC),New Feature,Distance between the Controller up to 10km (before 500m),Konfiguration,ConfigurationTechnical specifications for the CPUs,Configuration,Two CPU types available,CPU 417-4H with 20MB onboard,CPU 414-4H with1,4MB onboard,General technical specifications,e.g. CPU 417-4 or CPU 414-3,4 integrated interfaces,Two for the Sync modules,One DP interface,One MPI/DP interface,ConfigurationRedundant link,Fiber-optics (FO),Fiber-optics (FO),Replaceable Sync modules,Configuration,Central Controller Configuration,Distance between the Controller up to 10m,Use of the Sync-Modules for Patch Cables up to 10m,MLFB Module: 6ES7 960-1AA04-0XA0,MLFB FO-Cable 1m: 6ES7 960-1AA04-5AA0,MLFB FO-Cable 2m: 6ES7 960-1AA04-5BA0,MLFB FO-Cable 10m: 6ES7 960-1AA04-5KA0,Distance between the Controller up to 10km,Use of the Sync-Modules for Cables up to 10km,MLFB Module: 6ES7 960-1AB04-0XA0,Monomode FO-Cable LC/LC Duplex crossed 9/125,Konfiguration,Central controller configurations,With two standard subracks,Redundant power supply (PS) optional,PS,PS,CPU,PS,PS,CPU,PS,PS,CPU,PS,PS,CPU,Max. cable length 10km,With H subrack,(with split backplane bus),Configuration,I/O configurationSwitched I/O,IM,IM,Special bus module (BM),Active,backplane bus,PROFIBUS DP,ET 200M,with active backplane bus,L+,L+,Redundant IM 153-2,Configuration,I/O configurationSwitched I/O: mode of operation,Both DP masters are active and functioning properly,Reading inputs:,The inputs are read only from the preferred channelside (active IM),Writing outputs:,The data are accepted by both channels.Only the data in the preferred channel are forwarded to the outputs.,Configuration,I/O configurationConnecting PROFIBUS PA via PA link,PROFIBUS DP,2 x IM 157,DP-PA link,Configuration,I/O configurationY-Link,The Y-link bus coupler creates a network portal from the redundant DP master system to a one-channel DP master system,IM 153-2 with ET 200M,IM 157 with PA bus,Y-Link with DP bus,Configuration,Rack 0,Rack 1,I/O configurationY-Link hardware configuration,IM 157:,6ES7 157-0AA82-0XA0,Y-Link:,6ES7 197-1LB00-0XA0,Bus module BM IM 157,6ES7 195-7HD80-0XA0,Bus module BM Y-Link,6ES7 654-7HY00-0XA0,Collective Order No.,6ES7 197-1LA02-0XA0,Configuration,Y-Link,IM 157,I/O configurationY-Link configuration,Configuration,Redundant communicationPrinciple,Redundant communication is attained through redundant connections, which are then used when a problem occurs.,Redundant connections can be created from H stations to,Other H stations (one- or two-channel),HMI PCs (software Redconnect required),Active connection,Stand-by connection,Communication,Redundant communicationConfiguration with redundant bus (1),Ethernet,H-CPU in single mode,PS,PS,Bus,Bus,CP,CP,CP,CP,PS,PS,CPU,CPU,CPU,CPU,Equivalent circuit diagram:,Communication,Redundant communicationConfiguration with redundant bus (2),H-CPU in single mode,PS,PS,CPU,CPU,Bus,Bus,CP,CP,CPU,CPU,PS,PS,CP,CP,CP,CP,CP,CP,Communication,Ethernet,Equivalent circuit diagram:,Redundant communicationConfiguration with single bus,H-CPU in single mode,PS,PS,CPU,CPU,Bus,CP,CP,CP,CP,CPU,CPU,PS,PS,Communication,Ethernet,Equivalent circuit diagram:,Redundant communicationConfiguration with ring bus,Ring bus,S7-400H,S7-400H,PS,PS,CPU,CPU,CP,CP,CP,CP,CPU,CPU,PS,PS,Bus,Bus,H-CPU in single mode,Communication,Equivalent circuit diagram:,Redundant I/O,Redundant I/O,New:,Redundant IO,Sensor/control element,PROFIBUS DP,Redundant Communication,Redundant Controller,Redundant IM,Redundant Profibus,Redundant I/OPossible redundancy structures (1),Central I/O modules,Distributed I/O modules,Redundant I/O,Redundant I/OPossible redundancy structures (2),Distributed switchedI/O modules,H-CPU in single mode,Redundant I/O,Redundant I/ORedundant quality stages,Highest quality level,Use of F-IO by exploiting the high-quality diagnostic functions required for failsafe operation,E.g. when it is necessary to control duration-1 faults associated with output signals,Medium quality level,Use of modules with diagnostic functions,Low-cost quality level,Use of modules without diagnostic functions,Redundant I/O,Redundant I/OHardware configuration,Slot,DP address,Redundant DI,Time discrepancy in ms,Response time followingdiscrepancy,Possible options:,AND gate,OR gate,Use last valid value,Redundant I/O,Redundancy tab,Appears only for redundancy-capable modules.,Type of redundancy(none or 2),Station 2,PROFIBUSaddress 3,slot 4 contains a compatiblemodule. This module is selected as redundant DI,Redundant I/OHardware configuration,Redundant I/O,Redundant I/O Wiring digital inputs,With two sensors,With one sensor,Since the function is not suitable for all module types, the manual or Internet should be,consulted to find out which modules can currently be used.,Redundant I/O,Redundant Profibus,Both Inputs are read in parallel.,The correct value is selected and processed automatically,DI,DI,Master I/O,Redundant I/O,Redundant I/O Wiring analog inputs,With voltage sensor,With current sensor,With 2 sensors,4-wire transducers only,I,R,AI-I,AI-I,I,With current sensor,Since the function is not suitable for every module type, the manual or Internet should be,consulted to find out which modules can currently be used.,Redundant I/O,The CPU reads both inputs. The correct value is selected,and processed automatically,AI,AI,Master I/O,Redundant I/O,Redundant Profibus,Redundant I/O Wiring digital outputs,Without diodes*,With diodes *,Since the function is not suitable for every module type, the manual or Internet should be,consulted to find out which modules can currently be used.,DQ,DQ,*Dependant on the,module type,Actuator,Redundant I/O,Both Outputs are set,DO,DO,Master I/O,Redundant I/O,Redundant Profibus,Redundant I/O Wiring analog outputs,Since the function is not suitable for all module types, the manual or Internet should be,consulted to find out which modules can currently be used,Actuator,I,Redundant I/O,Each Output outputs half the value.,When one of the modules fails, the output that is still intact,provides the full value,Both Outputs are set,AO,AO,Master I/O,Redundant I/O,Redundant Profibus,Redundant I/O Integrating the user program,The user program is integrated with the Functional I/O Redundancy library, which is part of STEP7 V5.3,The redundant I/O are available to the user for programming as transparent I/O,The rules state that the lowest address must always be used for programming.,Method of operation:,The inputs are read by FB RED_IN and copied back to the POI following the discrepancy analysis,The user writes the outputs to the lowest address in the usual manner. FB RED_OUT automatically copies the relevant value to the second address.,Redundant I/O,Thank you ,