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Manual GE 90-70

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Summary
  • GE 90-70 - page 1

    GE Fanuc Automation Progr ammable Contr o l Product s Series 90 ™-7 0 Enhanced Hot Standby CPU Redundan cy User's Gui de GFK-1527A May 2000 ...

  • GE 90-70 - page 2

    GFL -002 War nings , Ca uti ons, a nd N ote s as Used in this Pu blicat io n Warning Warning n o tices ar e u sed in th is pu blicatio n to em phas ize th at ha zardo u s voltages , cu rrents, temp eratu res, or o ther co nd ition s that co uld cau se p erso nal in ju ry ex ist in this equipment or may be a ssoci a ted with its use. In si tu atio n ...

  • GE 90-70 - page 3

    Preface GF K-1527A iii T his m anua l is a ref erenc e to t he ha r dw are c o mpone nts , co nfigu rat io n and o peratio n of Enh a nce d Ho t Standby CPU Re dundancy for th e S eries 90-70 P rogrammable Lo gic Cont roller. Th is revisio n adds i n fo rm ati o n abo u t n ew redu ndancy CPUs IC697CGR772 and IC697 CGR935, as w ell as n ew f e atur ...

  • GE 90-70 - page 4

    Prefac e iv Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de–May 2000 GF K-1527A Logicmaster 90-70 Program ming Soft ware User's Manual (GFK-0263) . A p rog ramming so ftware user's m an ual fo r sy stem o per a to r s and o the r s using th e Lo gi cmaster 90-70 sof t w ar e to p r og ram, co n figur e, ...

  • GE 90-70 - page 5

    Cont ents GF K-1527A v Chapter 1 I ntr oduc tion..................................................................................................... 1-1 En h ance d Hot St an dby CPU Re d u nd ancy ..................................................................... 1 - 2 Fe ature s o f Enh ance d Ho t Stan d b y CPU Red und a ncy ............... ...

  • GE 90-70 - page 6

    Conten ts vi Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de–May 2000 GF K-1527A Po rt 2.................................................................................................................... 2-5 Po rt 3................................................................................................... ...

  • GE 90-70 - page 7

    Conten ts GF K-1527A Contents vii Fail Wai t Ti me ...................................................................................................... 4-8 Pro gram min g a Dat a Tran sf er f r om Back up Un i t to A ctive Un i t.................................. 4-1 0 Data Tr a nsf er Ex amp le ................................................... ...

  • GE 90-70 - page 8

    Conten ts viii Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de–May 2000 GF K-1527A Faul t A c ti on s in a CPU Re d und ancy Sy stem ................................................................. 5- 7 Co nfigu rab le Fau lts........................................................................................ ...

  • GE 90-70 - page 9

    GF K-1527A 1- 1 Intr oduction This c hapte r int roduce s th e met h od o f CPU Redun dan cy for the Se r ies 90 -70 P rog rammable L ogic Controlle r , w h ich is refe r r ed to a s E nhanced H ot Sta n dby CPU Re dundan cy . Th e c o nt ents of thi s chapter de sc ribe : Enhanced H ot Standby CP U R edundan cy Compo n ents of th e E nhan ced H ot ...

  • GE 90-70 - page 10

    1-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Enha nce d Hot Sta ndby CPU Redunda ncy CP U Redu ndanc y allo ws a crit ical ap plic a tio n o r pro c es s to c o n tinue o perati ng if a f ailure o cc urs i n an y sin g l e comp on en t. An Enh an ced Hot St an dby CP U Redu n dan cy ...

  • GE 90-70 - page 11

    GF K-1527A Chapter 1 Introduc t ion 1-3 1 Fea t ure s of E nhanc ed Hot St andby C PU Redunda ncy B umple ss s w itching Synchronize d CPU s 4.7 ms (CGR 935), 5.9 ms (CG R 772) b ase s wee p time in R un mo de On e scan switch ing (in most ca ses) Configu r a ble b a ckup d ata size No sing le po int o f f ailure (e xclud i ng G eniu s I/O b lo ck ...

  • GE 90-70 - page 12

    1-4 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Re dundanc y C PUs a s Compar ed t o Othe r Serie s 9 0-7 0 CPUs The R edunda ncy CPU has s ev eral dif ference s in ope ratio n compa r ed to o t her Serie s 90-70 CP U s. Featur es not Av ailab le with R edun danc y CPU s The f ollow ing ...

  • GE 90-70 - page 13

    GF K-1527A Chapter 1 Introduc t ion 1-5 1 Compo nents of the Enhance d Hot S t andby Re dundanc y Sys tem Enhan ced R edunda nc y CP U Mo dul e To utili ze t he fe atures des crib ed in this m an ual, an E nhance d Re dun dancy CPU M odule (IC697CGR 935 o r IC697CGR 772) mus t be instal led rack 0 , slot 1 of b oth th e P rima ry and Sec on d ar y ...

  • GE 90-70 - page 14

    1-6 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Genius I/O The redunda nt portio n o f t h e sy stem is b ased o n Ge ni us I/O . A sy stem using sta ndard Se ri es 90-70 racks c an hav e mu l t iple Ge n ius I/O bus netwo r ks. A sy stem using t he ½ slo t r edundant ra cks may ha ve ...

  • GE 90-70 - page 15

    GF K-1527A Chapter 1 Introduc t ion 1-7 1 Enhan ced H ot Stan dby CP U Red undanc y S ystem with Lo cal I /O T he f ollow ing il lust ratio n is an e xample of an E nha n ce d H ot S tandby CPU Re dundanc y sy ste m w ith Lo cal I/O i n standard Se ri es 90-7 0 expa nsio n racks. C P U B T M R C M G B C 30 Se cond ary Un i t Pr imar y Uni t 31 P S ...

  • GE 90-70 - page 16

    1-8 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Cont rol St rategi es There a r e tw o diffe r en t Control St rategies f or Enhanced H ot Standby CP U R edundancy : GHS and GDB. GHS Cont ro l Strat egy T he G H S c o ntro l st ra te gy has t he f o llo w ing f ea tu res : Multiple si n ...

  • GE 90-70 - page 17

    GF K-1527A Chapter 1 Introduc t ion 1-9 1 Ba sic E nhanc ed Hot Sta ndby Operat ion In an Enhanced H ot Standby CPU Redundant sy stem, Genius I / O Blo cks a r e norma lly co n figured fo r Ho t Sta n dby op e ratio n . G eniu s I /O B loc ks c an a lso b e co nfig ured f o r the les s f r equ e ntly use d Du ple x o pera tio n, b ut on ly w ith t ...

  • GE 90-70 - page 18

    1-10 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Ba sic CP U Re dundancy Se t ups Th er e are thr ee ba s i c C PU Redu n dan cy set u p s : Si n g l e Bu s wi th Pr eferr ed M a ster Single B us w ith Flo ating M aster Dual Bus with Fl oatin g Mast er Sin gl e B us w ith Pr ef err ed M ...

  • GE 90-70 - page 19

    GF K-1527A Chapter 1 Introduc t ion 1-11 1 Single B us with Flo ating Ma ster: G DB Co ntrol S tr ategy T his ty pe of sys tem als o us e s a si ng le b us w ith b us co ntro lle rs i n e ac h PL C . H owev er, no sw itcho ver o c c urs o n in iti al s y n chro niz at io n to make the P rima r y U nit t he activ e u n it. C P U C P U B T M R C M G ...

  • GE 90-70 - page 20

    1-12 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 1 Dual Bus with Flo ating Master: GDB Contr ol Strategy Thi s ty pe of system u ses du a l buses w it h bus con tr oll ers in each PLC. No sw i t ch ove r occur s on ini tial synchr onizat i on t o make the Primary Uni t th e Active U n it. ...

  • GE 90-70 - page 21

    GF K-1527A Chapter 1 Introduc t ion 1-13 1 Duplex CP U R ed und ancy On ly dis c rete blo cks ( or R emo te I/O Sc anne rs w ith o nly disc r ete mo dules ) ca n b e co n figur ed fo r Duplex CPU Re dun dancy mode . Bloc ks o r I/ O Sca nners co n figur ed f or Dup l ex mode r ecei ve out p u t s fr om BOTH bus c on tr oll er s 3 0 and 3 1 , an d c ...

  • GE 90-70 - page 22

    GF K-1527A 2- 1 System C omponents This c hapte r desc r i bes the h ardw ar e co mpone n t s f or an E nha nced H ot Standby CP U R edundancy sy ste m. S ystem Ra ck s Re dun dan cy CP U Re dun dan cy Communicatio ns Module B us Tra nsm it ter Mo dule Bus Rece ive r Module G e niu s B us Co nt rol le r For Inst al lati on I nstr u ct ion s For det ...

  • GE 90-70 - page 23

    2-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 Re dundancy C PU T he red u n da n cy CPU s hav e b ee n des igne d s pe cif ically fo r Se ries 90 -70 H o t Standb y CP U R e dunda ncy applicat ions . Feat u r es The Enha n ced H ot Standby CPU s uppo r ts flo ating poi nt calcula tion ...

  • GE 90-70 - page 24

    GF K-1527A Chapter 2 S yste m Com pone nts 2-3 2 CPU Archit ectu re The CGR 772 and CG R935 have a n 80486DX4 microp roce sso r , on-board memo r y , and a dedica ted VLS I p r oce s s or for p er for m i n g Bool ea n op er a t i ons . Th e CG R 772 and CGR 935 interfac e to se rial po r ts a n d t h e sy ste m b us. T he mic ropro ce sso r pro v ...

  • GE 90-70 - page 25

    2-4 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 CPU Featu res Mem ory Protec t Keys w itc h T he Me mory Prote ct key s w itch c a n b e us ed to ma nually lock p r ogr am an d con fi g ur at i on da ta fr om access b y a remo te p r og r amme r (s e ria l o r Et h er net) . W hen t h e ...

  • GE 90-70 - page 26

    GF K-1527A Chapter 2 S yste m Com pone nts 2-5 2 CPU M o de S w itc h Th e C PU Mode s wit ch s el ect s th e oper at in g mod e o f th e CPU: RUN /ENA BLED, RU N/DIS ABL ED , or STOP . The CPU mo de c a n also b e controlled f rom t he p r ogramme r . How eve r , the CPU Mode sw itch po sitio n res tric ts the ab ili ty of th e p ro g ram mer to p ...

  • GE 90-70 - page 27

    2-6 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 Re dundancy C ommuni ca t i ons Mod ule The R edunda ncy Communic atio ns Mo dule (R CM), c atalo g numb er IC697R CM711 or IC687RCM 711 ( ½ slo t versio n ), prov ides a co m m unicatio n s path f or sha rin g d ata b etw een th e tw o C ...

  • GE 90-70 - page 28

    GF K-1527A Chapter 2 S yste m Com pone nts 2-7 2 LEDs Unit Select Pushbutton C onnec tor for Communications Ca ble BOA RD O K LOCA L SYSTE M RE ADY LOCA L SYSTE M ACTI V E REM O T E SY ST EM RE AD Y REM O T E SY ST EM ACT IV E Conn ector The top c onnecto r on t h e Re dundan cy Communications Mo dul e mu st be con n ected vi a an I/ O cabl e t o t ...

  • GE 90-70 - page 29

    2-8 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 LEDs Conne ct o r f or Pr ogr am mer Conne ct o r f or Redu ndanc y Co mmu n i ca t i o n s or Bu s Re ce i v er Mod u l e MODULE OK PR OG R A M M ER P ORT EN A BL E D E XP ANS I ON P ORT E NAB LE D (Pr og ram me r P o rt ) ( Exp an si on ...

  • GE 90-70 - page 30

    GF K-1527A Chapter 2 S yste m Com pone nts 2-9 2 Bus Receiver Module The B us R eceiver Module (B RM), cat alog num ber IC697B EM711, is the exp ansion rack inte r face to th e I/ O bus. Th e Bus Recei v er Modu l e conn ect s t o a Bus Tr an smi tt er M odu l e in ra ck 0 or t o a Bus R ec ei ver Modu l e in the pr evi ou s r a ck vi a a par al l ...

  • GE 90-70 - page 31

    2-10 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 Geni us Bus C ontrol le r The Ge nius B us Co n troller (IC697B EM731) in t e r face s t he Series 90-70 PLC to a Ge n ius I /O b us. Th e bus con tr oll er s can s b us d evi ce s a s yn ch r o n ous l y and ex ch an g es I / O dat a wi ...

  • GE 90-70 - page 32

    GF K-1527A Chapter 2 S yste m Com pone nts 2-11 2 Single B us Ge niu s Networ ks Whe n using s in gl e-bus Ge nius netw orks i n a H ot Sta ndby CPU Redundancy s yste m, one Ge n ius Bus C on tr oll er for th e bu s m u s t be l oca t ed in th e Pri mar y PLC an d on e in th e S econ d ar y PLC. Ther e can be multipl e Geni u s busses in th e sy st ...

  • GE 90-70 - page 33

    2-12 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 2 30. Data fr om Seria l Bus Address 31 in th e P r imar y PLC is the "preferr ed" data. The GDB contr ol str ateg y mus t b e us e d a nd all r edu nda nt Ge nius o utputs mus t be transf erre d f r om the ac tiv e to t he bac ku ...

  • GE 90-70 - page 34

    GF K-1527A 3- 1 Conf igur ati on Requi rement s T his c hapte r de fines the s pe cia l co nfigu rat io n req ui r eme n ts o f an E nhanc e d H o t Sta n dby CPU Re dun dan cy s ystem. Progra m mer Conne ct ion f or Conf igurat ion In a H ot Standby CP U Redunda n c y sy stem, one CPU i s co nfigured a s t he Primary CPU and t he oth er a s th e S ...

  • GE 90-70 - page 35

    3-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 3 Pr ogr am F o ld er s i n Lo g ic ma st er 9 0 With the Log i cm a s t er pr ogr a mm in g s oft war e, th ere mu s t be di ff er ent fold er s for ea ch con fi g u r ati on . I f th e l ogi c i s id en t i cal for both PLC s , a th ir d f ...

  • GE 90-70 - page 36

    GF K-1527A Chapter 3 Co nfiguration R equ ir eme nt s 3-3 3 Config uring Sh ar ed I/O R efer ence s Shared I/O data is tra nsfe rr ed f r om the active CPU to the b ackup CPU each sw ee p. Re ference ad dr ess es an d ran g es mu s t be con fi g u r ed for th e da ta to be tr ans fer r ed. Th er e can be up t o 2 0 Kby t es of input data (%I, %AI) ...

  • GE 90-70 - page 37

    3-4 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 3 Findin g th e Memor y Ava ilabl e for Appl ication P rogr am S tor age Sh are d I/O dat a is s tored in t he same memo ry as appl icat ion p rogr a m sto r age. To find t he a mo unt of memo r y availab le f or ap pl icatio n p r ogr am(s ...

  • GE 90-70 - page 38

    GF K-1527A Chapter 3 Co nfiguration R equ ir eme nt s 3-5 3 Conf iguring t he Re dunda ncy C PU f or Non-re dundant Ope r at ion The R edunda ncy CP U c an be us ed f or bo th redunda nt and n on-red undant applica t i ons. Fo r non- redunda nt appl icatio ns, do n ot co nfigure R edundancy Communicatio n s Mo dules in the sy stem. If a B us Tra n ...

  • GE 90-70 - page 39

    3-6 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 3 Genius I/O Bl oc k Confi gurat ion Parame te rs Whe n using the GH S Control St rategy , if a Ge n i us B us Controlle r is set to redunda nt, the n all of its I /O b lo c ks mus t als o b e s e t to redu nda n t. Whe n using the GDB Cont ...

  • GE 90-70 - page 40

    GF K-1527A 4- 1 Nor mal Oper ation Thi s chapt er discusses: Powe rup of a Re du ndant CPU Res yn c h r on iz a t i on of th e Red u n da n t C P U GHS Co n t r ol Str ategy GDB Contr ol Stra t egy %S R efe r en ces f or CPU R edundan cy Sc an Sy n chro n iza tio n Sw i tch in g Co ntrol to the B ackup u nit RUN Disabled Mode Ba c k g r ou n d Us e ...

  • GE 90-70 - page 41

    4-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Powerup of a R edundant CP U Whe n a redu ndant CPU is po wered up, i t perfo rm s a co mpl ete hardware diag n ostic chec k and a co mple te c hec k o f the ap pl icatio n p r og ram and c onf igu ratio n pa ramete rs. T his c ause s t h ...

  • GE 90-70 - page 42

    GF K-1527A Chapter 4 No r mal Ope r ation 4-3 4 Inco mpatib le Con figu rations Whe n tw o u nits have inco mpa tib le c o nfig u r atio n s s tored (f or ex am ple , b o th units c o nfig u r ed f o r PR IMARY o r diffe r in g blo cks f or data t ransfe r ), then o n l y one o f th e units can go to R UN mode . If th e o the r uni t at te mpts to ...

  • GE 90-70 - page 43

    4-4 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 FST _ E XE r efer en ces for pr og r a m bl ocks wit h the s am e na m e ar e tr an sferr ed fr om th e act i ve t o th e bac kup CPU . T h e r esult is that if o n e CPU i s already in Run mo de an d the o th er is t ran sitio n in g to R ...

  • GE 90-70 - page 44

    GF K-1527A Chapter 4 No r mal Ope r ation 4-5 4 por t i on of t h e bu s be t w ee n th e BS M a n d t h e bl ock s ) r e s u l t in los s of t h e bl ock s d o wn s tr e a m fr om t he f ailure on t hat bus stub . B us f ailures in s i ngle bu s n etw orks res ul t i n lo ss o f the b loc ks dow n strea m f r om the b us f ailu re. Wh en u s in g ...

  • GE 90-70 - page 45

    4-6 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Sca n Synchroni za tio n Th e fi g ur e bel o w sh ows th e sweep c om p on en t s for th e act i ve an d th e back u p C PUs. 1 ACTIVE CPU Ho usek ee p in g In p ut Sca n Send In p uts an d S y nchr on iz e Lo g ic S olution Send Out p ut ...

  • GE 90-70 - page 46

    GF K-1527A Chapter 4 No r mal Ope r ation 4-7 4 The St art o f Sweep Ti me mes sage tr an sfe r repeatedly coo rdi na tes t h e elaps ed time clo cks (upon w h ich t ime rs are b ased ) i n the red u nda n t CP Us . T he s y ste m time is c ont i nuou s as lo ng as o n e o f t he tw o sy stems is ru nning. W he n a s witc h ov er o ccu rs, t he sam ...

  • GE 90-70 - page 47

    4-8 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Data Tran sfer T ime Whe n a sy ste m is sy n chro nized, the r e a re a ddi tions to t h e sw ee p ti me (c o mpared to a sim ila r no n- redu nda n t CP U mo de l) f or sy n chro niz atio n act ivitie s an d f or tr a nsf erri n g da ta ...

  • GE 90-70 - page 48

    GF K-1527A Chapter 4 No r mal Ope r ation 4-9 4 Th e con fi g ur ed Fai l Wa it tim e for th e system m u s t be bas ed on th e maxim um ex p ect ed or allo w able diff erence in t h e tw o C PU s reac hing a sy nchro nizat ion p o int. Fo r exa mple , if o n e CP U mig ht s pe nd 2 0 ms in the c o mmunic atio n s p has e o f th e s w ee p a n d t ...

  • GE 90-70 - page 49

    4-10 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Prog rammin g a Data Tran sfer fro m Backu p Un it to Acti ve Unit Optionally , th e progra m lo gi c ca n be use d in bo th CPU s to transfe r eight by tes (4 registe r s) o f data fr om th e back u p un it to th e act i ve un it bef or ...

  • GE 90-70 - page 50

    GF K-1527A Chapter 4 No r mal Ope r ation 4-11 4 Disablin g Data T ran sfer Cop y in Backup Un it (SV CREQ #4 3) Servic e Re ques t function b l ock #43 c an be used on t h e bac kup to a llow th e bac kup u nit to b y pa ss th e cop y of th e shar ed I/ O dat a fr om th e act i ve un it . Th i s fun cti on can be used t o hel p det er min e i f th ...

  • GE 90-70 - page 51

    4-12 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 A f ault is logg e d t h e f irst time SV CR EQ #43 is use d as a w arnin g that the PL Cs a r e not co mplete ly sy nchr onized. Th e r ever s e d a ta tr an sfer, if an y, i s un a ffect ed b y th is fun ct i on bl ock . E nabli ng lo g ...

  • GE 90-70 - page 52

    GF K-1527A Chapter 4 No r mal Ope r ation 4-13 4 Examp le In the f ollow i n g examp le, w hen %M 0003 5 is o n, the input a nd o utput co pies are dis a bled. %M00035 %T00041 SVC_ REQ FNC PARM CONST 00043 %L00001 MOVE_ INT IN LEN 00001 CONST 00001 Q %L00002 MOVE_ INT IN LEN 00001 CONST 00000 Q %L00001 Back u p Qu al ifi cat i on w it h S VC RE Q # ...

  • GE 90-70 - page 53

    4-14 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Swi tc hing Cont rol to t he B ack up Uni t Co n trol s witc h es f rom t h e act iv e unit to t h e b acku p u nit if : 1 . t he ac tiv e unit has a f ailure; 2 . the pus h butto n switch o n the R edun dan cy Communicatio ns Mo dul e is ...

  • GE 90-70 - page 54

    GF K-1527A Chapter 4 No r mal Ope r ation 4-15 4 RUN Disabled Mod e RU N/D IS ABL ED mo de c ause s all phy sic al ou tputs to go to thei r de f ault s t ate i n t hat P L C. I npu ts ar e st il l scan n ed an d l ogi c i s solved . A C PU in RUN/ DI S A BLE D m ode may be the ac tive u nit . RUN D isabl ed M ode for GHS Co ntrol S trate gy Th er e ...

  • GE 90-70 - page 55

    4-16 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Exampl e 2: R ole sw itche s allowe d on both unit s Th e Secon dar y un it dr i ves th e out p u t s in th i s ex am pl e. Primar y Unit Sec ondar y Uni t Role Ac tive Bac kup Ope rat i ng M ode RUN/DIS ABLED RUN /EN ABLED OK LED on RCM ...

  • GE 90-70 - page 56

    GF K-1527A Chapter 4 No r mal Ope r ation 4-17 4 Exampl e 5: R ole s witche s allowed on both units S econdar y U nit Activ e No te: S econ d ar y un i t acti ve is n ot a recom m en ded m od e of op er a ti on wh en u s in g th e G HS Co ntro l S t rat e gy . Primar y Unit Sec ondar y Uni t Role Bac kup Act i ve Ope rat i ng M ode RUN/EN AB LED RU ...

  • GE 90-70 - page 57

    4-18 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Exa mpl e 8: In v alid T he f ollow ing s ituat ion is not valid . I f de tec ted , t he u nits sw itch ro les auto matic ally and b eh av e as in E x ampl e 3 abo ve. Primar y Unit Sec ondar y Uni t Role Bac kup Act i ve Ope rat i ng M o ...

  • GE 90-70 - page 58

    GF K-1527A Chapter 4 No r mal Ope r ation 4-19 4 Background U ser C h ecksum and Backgrou nd Win dow Timing I nst ruct ions Pe r for m in g Use r pr ogr am Ch e ck s u m ve r i fi ca ti on an d Ba ck gr ou n d Wi n d ow D i a gn ost i cs ad d s t i m e to th e sweep; t h e mor e ch eck s u m s an d dia gn ost i cs th a t ar e per for m ed ea ch swe ...

  • GE 90-70 - page 59

    4-20 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Exampl e The exa m pl e b elow calculates W o r ds pe r Swe ep fo r a CGR 935. I t uses t he f ollow in g data: U ser Program S ize = 239000 Program Si z e = U ser Progra m Size + 11000 = 23900 0 + 11000 = 250000 b y tes Sw e ep Time = 1 ...

  • GE 90-70 - page 60

    GF K-1527A Chapter 4 No r mal Ope r ation 4-21 4 Miscellaneo us Op eration Info rmatio n Timer and P ID Fu ncti on Blo cks T i m e r a n d P I D fu n ct i on bl ock s r ema in in lock s t ep be t we en t wo s yn ch r on iz ed un i t s pr ovi d ed : A. E nabli ng lo gic is id e ntica l o n bo th u nits . T his includ e s p o we r flow , f r equ e nc ...

  • GE 90-70 - page 61

    4-22 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 a s can s et th a t is s can n ed ever y oth er sweep (th a t i s, PERI OD = 2 ) , th en th e Pri mar y CPU mi gh t sca n i t s scan s et in on e s weep a n d th e S econ d ar y CPU sca n it s s can set in th e n ext. Use o f n on -d efa ...

  • GE 90-70 - page 62

    GF K-1527A Chapter 4 No r mal Ope r ation 4-23 4 Geniu s Bus Co ntro ller Switchin g Ge n i u s Bu s C on tr ol l er s st op s e n din g ou t p u t s t o G e n i us I/ O bl ock s wh en n o ou t p ut dat a h a s bee n r ecei ved fr om th e PLC C P U for a p er i od eq u al to t wo time s th e co nfigu r ed watc h dog ti meo ut. If th e CP U in t h e ...

  • GE 90-70 - page 63

    4-24 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 4 Et herne t Gl obal Da ta in a Redundanc y CPU Ethernet G l ob al Data is e nhanced to provide o ptimal use w i t h Re dundancy CPUs. Co nfigurat ion of Et hernet G lob al Data requ ires t h e use of Control P r og ramming s of t ware, rel ...

  • GE 90-70 - page 64

    GF K-1527A Chapter 4 No r mal Ope r ation 4-25 4 Ethernet G lobal Data Prod uction Whe n the tw o units of a CPU Redundancy system are sy n chr onized, Eth ernet G l ob al Data exch an g es ar e pr od u ced on ly by th e a ct i ve un it . Thi s r ed u ces th e am oun t of t r a ffi c on th e Eth ern et n et wor k an d si m pl i fi es th e han dl in ...

  • GE 90-70 - page 65

    GF K-1527A 5- 1 Fault Detectio n This c hapte r desc r i bes how faults are h andled in a R edunda nc y sy stem. Co n figu r atio n of Fault Actio ns Faul t Detecti on Faul t Response Fau lt ing RC Ms , L o sing Li nks , a nd Te r mi nati ng C o mmu nicatio n s Fault Ac tio n s in a CPU R edunda ncy S ystem Onlin e Repair Conf igurat ion of Fault A ...

  • GE 90-70 - page 66

    5-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 2 . If an expa n sio n rack fails afte r a u nit b eco mes a s tand-a lone u nit, a diag nos tic f ault w ill b e lo gge d o n t h at u nit b ut t h e u nit w ill s tay in RU N mo de and c onti n ue to c ont rol the p roc e ss . 3 . If aft ...

  • GE 90-70 - page 67

    GF K-1527A Chapter 5 F ault De t ection 5-3 5 PLC Fault Table Messages f o r Redundancy T he f ollow ing tab le l ists mes sag e s, de sc ript ions , a n d c orrec tive acti o ns f or e rror c od e s as so c iate d w ith the redu ndan cy fault group. T h ese e rro r code s c an be v iewe d by selecting C trl-F o n the co r r espo nding redu ndan cy ...

  • GE 90-70 - page 68

    5-4 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 Erro r Code Mess age F au lt Des cript ion Co rrectiv e Act ion 9 Primary and S eco ndary Un it s are I nco m patib le Th e loca l uni t ca nn ot be pl a ce d in R UN mo de when i ts r edu ndancy config ur at ion is inc om patib le with th ...

  • GE 90-70 - page 69

    GF K-1527A Chapter 5 F ault De t ection 5-5 5 Faul t R espons e The Enha n ced H ot Standby CPU R edundan cy s ystem de tects a n d reports f a ilures o f all crit ical co mpo n ents so th at ap p r opr ia te c ont rol actio n s may be taken. A ll c o mpone nts tha t ac qui r e o r di str i but e I/ O da ta or th at ar e in volv ed in execu t i on ...

  • GE 90-70 - page 70

    5-6 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 Faul ti ng RCM s, Losi ng Links, an d Termina t in g Comm uni cat ions Th er e are di st in ct diff er en ces bet ween l osi n g a r ed un d an t com m un i ca ti on s l in k an d fau l tin g an RCM . Faulting th e Re dundan cy Co mm uni c ...

  • GE 90-70 - page 71

    GF K-1527A Chapter 5 F ault De t ection 5-7 5 The f ollow ing ac tio ns a re t ake n w he n a li nk has ti med o ut. 1. Li n k Ti m eout fa ul t i s log g ed in th e PLC Fa ul t Ta bl e. 2. Th e OK an d Local LE Ds on th e Redun d an cy Comm un i cat i on s Modu l e in th e R CM t o BTM li nk t hat f ailed co n tinu e to b e mai ntai ned (th at is ...

  • GE 90-70 - page 72

    5-8 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 Configur able F aults The t ab le b e low show s the c o nfig u rab le f aults a nd t h eir f ault ac tio n def aults . T h ere are t hree fault actio ns: F at al, Non -Fatal, and Conditionally F at al . Fata l alwa y s stops t h e PLC, No ...

  • GE 90-70 - page 73

    GF K-1527A Chapter 5 F ault De t ection 5-9 5 Non-Configur able F ault Gr oup The t ab le b e low show s the no n -co n figu r able faul ts and thei r fault act ion de fau lts. F ault Acti ons Fau lt G r o u p Tabl e Type Desc ripti on Not Sync hr onized Synchron i zed SYS_ B U S_ F AIL PLC Syst e m bu s fai lu r e. Fata l Fata l NO_USER_PRG PLC No ...

  • GE 90-70 - page 74

    5-10 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 On-L ine Rep air Wit h a H ot Sta ndby CPU R edundancy s yste m, most s y stem c ompo nent f ailu res c an b e r epaired by r ep la cin g th e fa il ed com p on en t wh i l e th e system i s on l in e. Th ese on lin e r ep air pr oced u r ...

  • GE 90-70 - page 75

    GF K-1527A Chapter 5 F ault De t ection 5-11 5 Mainta ini ng P arall el Bu s T er mi nat io n It is i mpo rta nt w hen do ing onl ine repa ir to mai ntai n pa ralle l bus te rmi natio n o n t he activ e u n it. This is th e reaso n a te rminated paral lel cab le (IC6 97CB L803, IC697 CBL 811 or IC697CB L826) i s used, a nd w hy the R edunda n cy C ...

  • GE 90-70 - page 76

    5-12 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 In th e u n li k el y even t th at a ra ck fa il ur e does oc cu r and i s cor r ect l y dia gn osed , th e ra ck can be r ep la ced wit h p ower r em oved fr om th e system . Wh en th e ra ck i s r ep l a ced an d p ower r est or ed to t ...

  • GE 90-70 - page 77

    GF K-1527A Chapter 5 F ault De t ection 5-13 5 Bus Tr an sm itt er Mo d ule A f ault in t he Bus Tra n sm itte r Mo dule is t r eate d j us t l ike a f aul t i n t h e R e du n dancy Co mmunic atio ns Mo dule . I t is o n ly fatal if t h e f ault pre v e nts c o mmunic atio n s to any e xpans ion ra ck s with in th e system . Failu r e o f the B us ...

  • GE 90-70 - page 78

    5-14 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A 5 Du al Bus Ne tworks Fo r dual bu s G e nius netw o rks, a si n gle trun k c able failu r e w ill res ult in t h e b loc ks do w n stre a m f rom t h e f ailu r e sw itchi ng to the o the r Ge nius bus . Si n ce b oth b uss es are att ac h ...

  • GE 90-70 - page 79

    GF K-1527A A- 1 Cab lin g In fo rma tion IC690CBL 714A Mu lti-d ro p Cable Purpose To i nt erco nn ect Se ries 90-7 0 Redunda nt PLCs in a mult i-drop s erial c ommu nicatio n s a rrangeme n t. Spec if icat io ns Co nnec to r A: DB 15F, 1 5- pin f emale c o nn ec to r wi th M3 l atchb loc ks Connec tors B and C : DB 15M, 15-p in rig ht a ngl e , ma ...

  • GE 90-70 - page 80

    A-2 Serie s 90 ™ -70 Enha nced Ho t Standb y CPU Re dund ancy U ser's G ui de – May 2000 GF K-1527A A Fig u re A -1 . M ul ti-D rop C ab le Co nnec tio n D iag ram Connector B Pin 1 Pin 1 Connector C Connector A M3 pan head screws (2). Screws must not protrude through the end of the Latching Blocks. M3 Latching Blocks (2) ...

  • GE 90-70 - page 81

    GF K-1527A Appe ndix A Cabl ing I nformat i on A-3 A Fi g ur e A - 2. Mult i - Dr op Ca bl e W ir i n g Di a gr am 5 7 10 11 12 13 6 8 14 15 6 8 14 15 5 7 10 11 12 13 9 7 10 11 12 13 6 8 14 15 9 N.C. 5 N.C. Connector B, 15-pi n mal e, to CPU SN P Port Connector A, 15-pi n Fema le, to other CPU or Adapter Connector C, 15-pi n mal e, to next CPU or f ...

  • GE 90-70 - page 82

    Index GF K-1527A I ndex- 1 % %S re f ere nc es OVR_PRE not av ailable wi th Re dundanc y CPUs, 1-4 A Ac tive un it define d, 1- 1 Appendix A I C690CBL714A Multi -d rop Cab l e, A -1 B Bac kground Wi n dow time, 4-1 9, 4-20 , 4-22 differen t f o r redund ancy CPUs, 1-4 Bac kup CPU va l i dat i ng t h e l ogi c s ol ut i on, 4 - 1 3 Bac kup U n i t d ...

  • GE 90-70 - page 83

    Inde x Index- 2 Series 9 0™-70 E nhance d Hot Standb y CPU Re dund ancy U ser's G ui de–May 2000 GF K-1527A E Enhanced H ot Standby CP U R edundan cy ba si c op e r at i on, 1 -9 CPU f eatures , 1- 3 CPU v er sion, 1-3 define d, 1- 2 required mo dules, 1- 2 Err or ch eck in g, 2 -3 Et he rnet c on t rolle r co n figuring c omm uni cations ...

  • GE 90-70 - page 84

    Inde x GF K-1527A I ndex Index- 3 spec ific atio ns, A - 1 wiring diagram , A- 3 Multiple I / O sca n sets, 4-21 N No n co n figu r able faul ts, 5 -9 N o n re du nd a nt o pe ra ti o n, 1 -3 co n figuring, 3- 5 O Online p rog ramming, 1-13 O n li ne re p ai r , 1 -1 3 descript i on, 5- 10 Output c o ntr ol, 1-9 Output d a ta transf er, 4-6 Outputs ...

  • GE 90-70 - page 85

    Inde x Index- 4 Series 9 0™-70 E nhance d Hot Standb y CPU Re dund ancy U ser's G ui de–May 2000 GF K-1527A Stop mo de, 2-5 Stop to Run mode transition, 4-22 differen t f o r redund ancy CPUs, 1-4 SVCREQ 26 r ol e s w i t ch f r om pr ogr a m, 4 -14 SVCREQ 27 Writ e to rev erse transf e r ar ea, 4-1 0 SVCREQ 28 Read from rever s e tran sfe ...

Manufacturer GE Category Sleep Apnea Machine

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A complete manual for the device GE 90-70, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use GE 90-70 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of GE 90-70.

A complete GE manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual GE 90-70 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the GE 90-70, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the GE 90-70, that we can find in the current document
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5. FAQ - Frequently Asked Questions
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