Automation and Drives SIMATIC S 7 Software Redundancy

Automation and Drives SIMATIC S 7 Software Redundancy

Automation and Drives SW Redundancy Principle SIMATIC SW Redundancy Principle Positioning Application Fields Configuration Features Order number and delivery form REDUNDANCY Area Steam Production Boiler 1 SIMATIC Software Redundancy Mixer Boiler 2 Dryer A&D AS SM 6 R. Fischer 2

Automation and Drives SW Redundancy Positioning SIMATIC SW Redundancy § Low Cost / Low Performance Redundancy solution based on standard components Principle § Universal solution for all CPU Positioning Application Fields from CPU 315 -2 DP until CPU 417 -4 § Marketing parallel to S 7 -400 H Configuration Features Order number and delivery form SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 3

Automation and Drives SW Redundancy Application Fields SIMATIC SW Redundancy Application for processes that tolerate a Master-Slave switchover time of about a second Principle Examples: Positioning § Water treatment Application Fields § Control of cooling systems Configuration Features Order number and delivery form § Control and monitoring of § temperature § levels § Traffic control § Measuring registration SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 4

Automation and Drives SW Redundancy with S 7 -400 Configuration SIMATIC SW Redundancy Principle MPI/ Profibus/ Ethernet Positioning Redundancy Connection Application Fields Configuration Master controller Features Back up controller Order number and delivery form ET 200 M with IM 153 -2 Non redundant Area Active Bus SIMATIC Software Redundancy Non redundant Area Redundant Area Backup Bus A&D AS SM 6 R. Fischer 5

Automation and Drives Profibus DP Redundancy with Standard IM 153 -2 SIMATIC SW Redundancy Redundant IM 153 -2 Principle Positioning Application Fields Profibus DP Configuration Features Order number and delivery form L+ L+ Available as individual components IM: 6 ES 7 153 -2 AA 02 -0 XB 0 BM: 6 ES 7 195 -7 HD 00 -0 XA 0 or as Bundle (2 x IM + 1 BM) 6 ES 7 153 -2 AR 00 -0 XA 0 SIMATIC Software Redundancy ET 200 M with active Bus modules Bus module (BM) IM IM Active Bus module A&D AS SM 6 R. Fischer 6

Automation and Drives SW Redundancy Function SIMATIC SW Redundancy Master Principle Positioning Application Fields Configuration Features Order number and delivery form Reserve Reading of Inputs Non redundant user program processing Reception of status information from reserve controller Reception of information from master controller Redundant user program processing Transmission of redundant data to reserve controller Transmission of information to the master controller Writing of non redundant and redundant outputs Writing of non redundant outputs SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 7

Automation and Drives SW Redundancy with S 7 -400 SIMATIC SW Redundancy Principle MPI/ PROFIBUS/ Ethernet Positioning Application Fields Redundancy Connection Configuration Features Master controller Order number and delivery form Back up controller Redundant area SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 8

Automation and Drives SW Redundancy with S 7 -400 and Win. CC SIMATIC SW Redundancy Win. CC Redundancy script Principle Positioning PROFIBUS/MPI/Ethernet Application Fields Configuration Master controller Features Back up controller Order number and delivery form Non redundant area SIMATIC Software Redundancy Redundant area Redundanzbereich A&D AS SM 6 R. Fischer 11

Automation and Drives SW Redundancy with single PROFIBUS SIMATIC SW Redundancy Principle Positioning MPI/PROFIBUS/ Ethernet Application Fields Configuration Master controller Features Back up controller Order number and delivery form SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 13

Automation and Drives SW Redundancy with redundant Ringbus SIMATIC SW Redundancy Principle MPI/PROFIBUS/ Ethernet Positioning Application Fields Master controller Configuration Back up controller Features Order number and delivery form OLM SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 14

Automation and Drives SW Redundanz with Multi Redundancy SIMATIC SW Redundancy Principle Positioning Application Fields Back up controller Configuration Features Order number and delivery form Non redundant area SIMATIC Software Redundancy Redundant area Non redundant area A&D AS SM 6 R. Fischer 15

Automation and Drives SW Redundancy Features SIMATIC SW Redundancy Principle § Master slave switchover time § dependant on: Positioning § CPU-Type Application Fields § number of I/O and number of DP-slaves Configuration § volume of data to be transfered Features § communication device Order number and delivery form § Example with 2 CPU 414 -2 DP, 4 DP-Slaves, 4 k. Bytes Data, communication throught Profibus § Data transfer time appr. 1 s § DP-Slave swithover appr. 20 ms § Fault detection time § Sum SIMATIC Software Redundancy appr. 100 ms appr. 1, 1 s A&D AS SM 6 R. Fischer 16

Automation and Drives SW Redundancy Features SIMATIC SW Redundancy § Switchover procedure Principle § Outputs are beeing frozen during the switchover Positioning § After the switchover, the transfered data are used Application Fields Configuration Features Order number and delivery form § Switchover reasons § Master failure (Power off or CPU-STOP) § Failure of the Profibus-DP of the master controller § Manual switchover § Memory requirement is 10 k. Bytes § STEP 7 V 4. 02 is required SIMATIC Software Redundancy A&D AS SM 6 R. Fischer 17

Automation and Drives SIMATIC S 7 Software-Redundancy