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软件冗余解决方案


H ochver ügbar f e SI ATI M C

SIM tw TICRedundancy A S7 Sof are
Sof w aret based hi avaiabii y sol i ghl lt ut on

Pri pl nci e
Sof w ar t e Redundancy
Pr nci e i pl

REDUN DAN CY AREA

St eam gener i at on
Boier 1 l Mi xer Boier 2 l Dr yer

N onr edundant ar ea

Redundantar ea

N onr edundant ar ea

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2

Pri pl ofoperat on nci e i
Sof w ar t e Redundancy
Pr nci e i pl Read i nputi or at on nf m i

M ast er

St andby
Read i nputi or at on nf m i

Execut non- edundantuser e r pr am ogr Read and eval e st us dat f om uat at a r st andby

Execut non- edundantuser e r pr am ogr Recei and eval e st us dat ve uat at a f om m ast r er Redundantuser pr am i not ogr s execut ed

Execut r e edundantuser pr am ogr

Send r edundantdat t st a o andby

Send st us dat t m ast at a o er

Send r edundantand non- edundantout r puti or at on nf m i

Send non- edundantand r r edundantout puti or at on nf m i

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Pri pl nci e
Sof w ar t e Redundancy
Pr nci e i pl

Posi i ng t oni
Low costr edundantsol i ut on Sui abl f t e oral S7l 31x2DP CPUs
Begi ng w i h CPU 313Cnni t 2DP or new er Up t CPU 417o 4 I udi hybr ds ncl ng i

A pplcati i ons
Can be used t cont olpr o r ocesses w hi t er e m ast - o- andch ol at er t st by sw i chover i t seconds r t s n he ange. Exam pl es: Cont olofw at t eat ent pr r er r m ocesses Cont olofcoolng- at ci cul i pr r i w er r at on ocesses I a num berofi n ndust i r es,cont oland m oni or ng of r t i
Tem per ur and l at e evel

Tr f c f ow cont ol( g. i t af i l r e. n unnel s) Colect ng m easur ng dat l i i a

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Sam pl conf gurat on f e i i orS7400
Sof w ar t e Redundancy

M PI PRO FI , BUS DP,Et net her
Conf gur i i at on

Connect on t r i o edundant com ponent s M ast er cont oler r l Backup cont oler r l

ET 200M w i h t 2 x I 153M 2

N on- edundant r ar ea

Redundancy ar ea Act ve bus i Passi bus ve

N on- edundant r ar ea

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ET 200M connect on i
Sof w ar t e Redundancy

RedundantI 153M 2s
Conf gur i i at on

PRO FI BUS DP

L+ L+

ET 200M w i h act ve backpl t i ane bus

A vaiabl i vi l e ndi dualy l I : 6ES7 153M 2AA020XB0 BM : 6ES7 195- D007H 0XA0 oras bundl (2 x I + 1 BM ) e M 6ES7 1532AR000XA0

Speci bus m odul ( ) al e BM
I M I M

Act ve i Backpl ane bus

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Sam pl conf gurat on w i h S7e i i t 400
Sof w ar t e Redundancy

Conf gur i i at on

M PI PRO FI , BUS DP,Et net her Connect on t r i o edundant com ponent s M ast er cont oler r l Backup cont oler r l

Redundancy ar ea

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Conf gurat on w i h S7i i t 400 and S7300
Sof w ar t e Redundancy

Conf gur i i at on

M PI PRO FI , BUS DP,Et net her Connect on t r i o edundant com ponent s M ast er cont oler r l Backup cont oler r l

N on- edundant r ar ea

Redundancy ar ea

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I egrat ng W i nt i nCC (1)
Sof w ar t e Redundancy

Wi nCC Redundancy Scr pt( t ar i sof w e sw i ch i egr ed i W i t nt at n nCC) PRO FI BUS,M PI Et net , her
I egr i W i nt at ng nCC

M ast er cont oler r l

Backup cont oler r l

N on- edundant r ar ea

Redundancy ar ea

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I egrat ng W i nt i nCC (2)
Sof w ar t e Redundancy

Funct ons oft i he Wi nCC Redundancy Scri pt
I egr i W i nt at ng nCC

Wi nCC

Aut at c connect on om i i sw i chover t M anualsw i chover f om t r m ast cont olert st er r l o andby cont oler r l Di agnost c i or at on i nf m i
W hi cont oler i t m ast ch r l s he er St us oft r at he edundancy connect on i St us oft DP sl at he aves
V1

Var1 Var2 . . . Varn

V2

V3

V4

Cont oler 1 r l ( ast ) m er

Redundancy ar ea
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Cont oler 2 r l ( andst by)

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10

Charact st cs (1) eri i
Sof w ar t e Redundancy

D urat on oft m ast t st i he er- o- and- sw i chover by t
D epends on:
CPU t ype N um berofi nput out s and DP sl s/ put aves Am ountofdat t be t ansf r a o r er ed Com m uni i cat ons m edi um

Char er st cs act i i

Exam pl f t o CPU 414- D P,4 D P sl e or w 2 aves,4 kB dat a, connected vi PRO FI S a BU
Dat t ansf a r er DP sl ave sw i chover t Er ordet i t m e r ect on i Tot al Appr 1 s ox. Appr 20 m s ox. Appr 100 m s ox. Appr 1. s ox. 1

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11

Charact st cs (2) eri i
Sof w ar t e Redundancy

Program m i ng
LAD,FBD,STL,CFC and SCL Each cont oleri separ el pr am m ed r l s at y ogr ( edundantpr am i r ogr dent cali bot cont oler i n h r l s) Redundanthar ar conf gur i i copi usi t dw e i at on s ed ng he " RedundantCopy"f unct on i

Char er st cs act i i

Support I com ponent ed /O s
Al IO m odul w hi can be used w i h ET 200M l/ es ch t

Rest cti ri ons
Suppor s one PRO FI t BUS DP lne i Exceptf / ,onl CP 341 ( nt t poi ) orIO y poi - o- nt can be used i t r n he edundantar ea

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12

O rderi dat and package contents ng a
Sof w ar t e Redundancy

M LFB (m achi readabl product desi nee gnat on): i
6ES7 8620AC010YA0 Si e lcense ngl i ( orone syst consi i of2 CPUs) f em st ng 6ES7 8620AC010YA1 Copy lcense i ( oreach addi i f t onalsyst em consi i of2 CPUs) st ng
O r i dat der ng a

Package cont s ent
CD- M RO I .docum ent i i 5 l ncl at on n anguages I .PDF f l and sam pl applcat ons ncl ie e i i

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1

Sof w ar t e Redundancy

Thank you …

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1



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