Moxa TechnologiesメーカーRS-422の使用説明書/サービス説明書
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I n d u s t i o CI-13 4 Ser i es Us er ’ s M an u a l In d u s t r i al 4 Po r t RS-422/RS-485 Ser i a l B o ar d Mar . 1999 (1s t Ed i t i o n ) The co ntent of thi s m anual is al so avai labl e at Moxa W eb Site. M o x a Tec h n o l o gi es Co ., L t d .
I n d u s t i o C I-13 4 Series User’ s Manua l Th e pr o duct des cribed in thi s man ual is f urn ished un de r a li c ense agr e eme nt an d may be used o nly in acco rdan ce w ith th e ter ms o f th e agr e eme nt s. Co p y r i g h t No t i c e Copy ri ght 1999 Moxa Tec hn olo gies Co.
MOXA Int erne t Services Custome r’ s s atisfactio n is alway s o ur n umbe r o ne co ncern. To e nsur e that customers ge t the f ull b enef it o f our service s, Moxa Int e rn et Service s h ave be en built for techn ical support, pr oduc t in quir y , new dri v e r update, user ’ s man ual update, etc.
About this Manual Th is man ual is compo se d o f six c ha pters and one appen dix. Th is man ual is w rit ten fo r in staller s, sy stem admin istr ators an d sof tw are pr o gra mmers. If y o u are a first-tim e in staller a nd sy ste m a dmini strat o r, w e r ec o mmend y o u t o go th rough th e whole man ual e xce pt chapt e r 4.
Table of Contents In tr o du c tio n ..................................................................... 1-1 Ov er v iew ........................................................................................................................... 1- 1 Fea tur es .
W indo w s NT a n d W i ndo w s 95/9 8 ...................................................................................... 4- 1 PComm Ins ta lla tion ..................................................................................................
Indu stio CI-134 Series Us er’ s Man ual 1-1 1 1 1 In tro duc t ion Ov er v i ew I n d u s t i o - T h e I n d u s t r i al Mu l t i p o r t A s y n c So l u t i o n Th e ter m I n d u s t i o sta nds fo r smar t multiport se ri al I/O so lution fo r i ndustr ial applicati o ns.
1-2 Industio CI-134 Series Us e r’ s Manua l A u t o m at i c Dat a Di r e c t i o n Co n t r o l f o r RS-485 To ease th e 2-wire RS-485 h alf-duplex co ntr o l, Automatic Data Dir e ction Contr o l in telligence is b uilt o n each Indu stio CI-134 b oar d.
Intr odu ction Indu stio CI-134 Series Us er’ s Man ual 1-3 w hi c h the co nfigurat io n uti lity Io-ir q.exe can acces s t he b o ard, w hi c h is ident ical to t h e fir st p or t ' s b a se I / O a d d r ess . Th e CAP jumper, J P 1 , is designed in case of t hat users fo r get th e CAP addr e ss.
1-4 Industio CI-134 Series Us e r’ s Manua l B r o ad A p p l i c a t i o n s Th e bo ard is suitable f or ma ny in dustria l appli c ations. H e re ar e a few : l Multi-point data acquisition l Ind.
Intr odu ction Indu stio CI-134 Series Us er’ s Man ual 1-5 CI-134 Serie s Wind ow s NT 3 Wind ow s 95/98 3 DOS 3 Wind ow s 3.x 3 Linux R SCO U NIX/Op en Se rve r C SCO X ENIX C QNX C Free BSD C OS/.
1-6 Industio CI-134 Series Us e r’ s Manua l In s t al l at i o n Gu i d e Th is s ec tion give s a b rief summ ary o f h ow to instal l the In dustio CI-134 Se ries under each supported ope ra ting sy stem. The in stalla tion is simple an d in v o lv es th e fo l lo w ing stages: Configure CI-134 Series with Io -irq.
Indu stio CI-134 Series Us er’ s Man ual 2-1 2 2 2 Ha rd war e Ins ta lla t ion Th e in stallat io n o f th e Industi o CI-134 Series consists o f h ardware an d so f tw are in stallat io n. Th e ha rdware in stalla tion is detailed i n th is chapter .
2-2 Industio CI-134 Series Us e r’ s Manua l l Int e rface Se lec tion Switch SW2 fo r Port 1/2/3/4: O N * Set th e port int e rface to RS -485. O F F Set th e po rt in terfac e to R S-422.
Hardwa re In stallation Indu stio CI-134 Series Us er’ s Man ual 2-3 C AP j um p er J P 1 . T he s of t w are and har dw ar e c o nfigur ation w ill b e completed at t he same tim e while doing th e so f tw ar e co nfigura tion, detailed in t he n e xt ch apter.
2-4 Industio CI-134 Series Us e r’ s Manua l Har d w ar e I n s t al l at i o n w i t h IO-IRQ Ut i l i t y Th is sec tion is f o r t hose w ho can not use quick h ardware in stall ation: l Insta ll two or m o re Indust io CI-134 Se ries bo ards i n a sy stem.
Hardwa re In stallation Indu stio CI-134 Series Us er’ s Man ual 2-5 4. Po w e r o n the PC an d ent e r int o DO S sy ste m. 5. Run the utilit y “ I o-ir q . ex e ” co ntai ned in th e driver diskette to se t up I/O address, IRQ and IN T v ec to r o f the b o ard.
2-6 Industio CI-134 Series Us e r’ s Manua l 2. En ter th e C AP a d d r ess o f the Indu stio CI-134 Se ries b o ard to b e co nfigured in th e fo llow i ng di alog b o x an d pr e ss E n t er . 3. In th e co nfigura tio n dia lo g b o x, c o nfigur e the f o llow i ng par ameters as n ec ess ar y .
Hardwa re In stallation Indu stio CI-134 Series Us er’ s Man ual 2-7 Th e fo llow i ngs ar e fie lds fo r configurat io n. Po r t In d ex Indi c ate th e po rt in de x fo r each po rt . I/O ad d r es s En ter th e b ase I/O addr e ss fo r each port, eith er seque ntia lly or not.
2-8 Industio CI-134 Series Us e r’ s Manua l H o w e v er, if th e po rt is driven b y NO N M ox a -p r ov id ed d r iver , such as st a n d a r d se r ia l d r i v er , or Moxa dr iv ers o th e r th an Window s NT an d 95/ 98, such a s DO S an d W i n d o ws 3.
Hardwa re In stallation Indu stio CI-134 Series Us er’ s Man ual 2-9 4. Press F 10 to save th e co nfigur ation a nd exit the ut ility ..
2-10 Indu stio CI-134 Series Us er’ s Man ual.
Indu stio CI-134 Series Us er’ s Man ual 3-1 3 3 3 So ft wa re Ins ta lla t ion In th is chapt e r, th e so f tw ar e dr iv er in stalla tion, configurat io n an d dri v e r update/r e mov al pr o ce dures a re desc ribed fo r var io us ope rat ing sy stems, i ncludin g Window s NT, Win do w s 95/98, DO S a nd Window s 3.
3-2 Industio CI-134 Series Us e r’ s Manua l In s t al l i n g Dr i v er Fo llow ing is th e pr o c edure fo r in stallin g th e Indu stio CI-134 Seri e s dr ive r for t h e fir st t im e un der Win do w s NT 4.0. No t e ! M a k e sur e t he boa r d ha s a lr ea dy been plugged i n the sy stem slot if y ou a r e doing qu ick i nsta lla tion.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-3 5. Sele ct “ M O XA Sma r t io/I n d u st io F a m ily m ult ip or t b oa r d ” in th e “ S elec t OEM Option” dialog bo x, an d th en click [ O K ] to enter t he “ M O XA C on figu r a t ion P a n el ” di alog b o x to star t th e in stallat io n.
3-4 Industio CI-134 Series Us e r’ s Manua l No t e ! Yo u may go directly to the st ep 8 if y o u need not ch ange an y se ttin g. 7. In th e “ P r op er t y ” di alog bo x, selec t th e desire.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-5 l Po r t Nu m b er Yo u h av e to set up all th e port s of t he b o ar d with t he desired “ C O M n u mb e r ” , w hich should n o t conflict with other COM num b e r in use.
3-6 Industio CI-134 Series Us e r’ s Manua l 9. When co nfigurat io n is done, click on [ C l o se ] button in t he “ Netw o rk Settin gs” dialog bo x. 10. Re star t Window s NT sy stem. Th e latest c onfigurati o n w i ll not ta ke ef fec t unl e ss th e sy s tem r e star ts.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-7 No t e ! Once th e bo ard and th e dri v e r ar e insta lled an d th e dr iv er r estart s succ e ssf ully , y o u can star t t o dev e lop appli c ations with th e P C o m m librar y (See “ Serial Pr o gramm ing Too ls” cha pter) o r th e Microso f t Win32 A PI.
3-8 Industio CI-134 Series Us e r’ s Manua l 3. Click on th e [ P r op er t y ] button t o ope n th e “M O XA C on figu r a t ion P a n el ” dialog bo x. Please se e steps 6-10 in th e pr e vio us se ctio n, “ Insta llin g Dri v e r” , fo r more details.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-9 Up d at i n g Dr i v er To upda te th e dr ive r f o r the In dusti o C I - 1 3 4 S e r i e s b o ar d, simply remov e th e driver, as desc ribed in th e next se ctio n, an d r einstall it as detail e d i n sectio n, “I n st a lli n g Dr iver ” .
3-10 Indu stio CI-134 Series Us er’ s Man ual W i n d o w s 95/98 Window s 95/98 supports up to 128 serial port s, f rom C O M 1 to C O M 128 . To fully in tegrate th e advan c ed features of W indo.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-11 5. In th e “ M O XA C on figur a t ion P a n el ” dial o g b o x, click [ Ad d ] to en ter “ P r op er t y ” dialog box to add the Indu stio CI-134 S eries b o ard. S elec t the “ C I - 134 Ser ies ” in th e “ Bo ard Ty pe” field.
3-12 Indu stio CI-134 Series Us er’ s Man ual No t e ! Go dir ec tly to the st e p 7 if y o u n e ed not cha nge an y se ttin g. 6. In the “ P r op er t y ” di alog bo x, selec t the des ir e d .
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-13 l Rx FIF O T r i g g er Rx FIF O trigger l e v els, at 1, 4, 8 o r 14 b y tes, ar e av ailable, an d t he de f ault value is 14 by tes. l T x FIF O Si ze Tx FIFO sizes f rom 1 to 16 b yte s ar e av aila b le, and th e de f ault value is 16 by tes.
3-14 Indu stio CI-134 Series Us er’ s Man ual No t e ! Th e latest c o nfigur ation w ill not take e f fe c t unless the sy stem restart s. 9. When sy stem restart s , all the err o r co nditi o ns o f the b o ar d will be poppe d up o nto th e screen if an y .
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-15 In thi s co nfigurat io n panel, y ou may : l Click [ P r op er t y ] t o ent e r “ Pr o perty ” dia lo g b o x to configure t he selec ted bo a rd w ith th e co rr ec t “ COM Numbe r” , “ INT Vec tor” , “ In terr upt No ” an d “ Base I/ O Port Addr es s” .
3-16 Indu stio CI-134 Series Us er’ s Man ual Rem o v i n g Dr i v er Open [ C o n t r ol Pa n el ] i c o n, and then [ Add /R em ov e Pr ogr a m s ] ico n, an d th e n se lec t [ I n st a ll/Un i n st a ll ] tab.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-17 DOS MOXA DO S API-232 is a s o f tware package th at a ss ists users to dev elo p an d/o r de b ug progra ms fo r se ri al communicati o ns. Th is sec tion will show y o u how to in stall th e package, h o w to se tup up the dr ive r, and how to load o r unload dr ive r.
3-18 Indu stio CI-134 Series Us er’ s Man ual Af ter in stallat io n is co mplete , y o u w ill be pr o mpted t o pr o c ee d r unn in g setup progra m. It is str o ngly reco mmended to do so. Dr i v er Set u p Th e fo llow i ng a re steps f o r se ttin g up th e Industi o CI-134 Se ries dr iv er.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-19 2. Pr e ss E n t e r to pop up t he S ETUP dialog bo x. In the SETU P dialog b o x, Press F 8 to specif y the C AP Ad d r ess and press EN TER an d th en type Y ( YE S ) to load th e co nfigura tion of th e bo ard to be setup.
3-20 Indu stio CI-134 Series Us er’ s Man ual 3. No w the c o nfigura tion o f the de sired Indu stio CI-134 Seri e s b oard w ill be s how n along w ith o ther def ault settin gs, such as po rt num b e r, buf f e r size, etc. No t e ! U p to now y o u h ave c o mpleted the se tup f o r Indu stio CI-134 Seri e s bo a rd.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-21 Yo u may n o w en ter/modify eac h po rt’ s c o nfigura tion. Th es e displa y ed v alues ar e th e port ini tial v alues as dr iv er is lo aded. L eg en d : S o me n o tice able fields and f unctions a re explain ed b elo w .
3-22 Indu stio CI-134 Series Us er’ s Man ual F 6: I NT vect or : Th is is to set in terr upt ve cto r for each po rt . You can set th is featur e to “ Yes ” (def ault) an d gain bes t per f o rma nce fo r t he bo ard. 4. To se tup more b o ards, ple ase fo llow th e s ame instr uctions 2 t o 3 desc ri b e d ab o ve .
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-23 L o ad i n g Dr i v er H aving co mpleted th e se tup, y ou can lo ad the driver, " BI NSE R -DR V.E XE " , at the DOS prompt. The driver will detect the Indust io CI-134 Series bo ard automaticall y .
3-24 Indu stio CI-134 Series Us er’ s Man ual W i n d o w s 3.x In t his cha pter, dr iv er in stalla tion, co nfigur ation an d remov ing pr oc e dure is desc ribed. U t ility , TTY , is explai ned in c hapt e r, “ S erial Pr o gra mmin g To o ls” , which is goo d for termi nal emula tio n.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-25 If y o u need to m o dif y th e settin gs, click [ M od ify ] an d ty pe i n th e desir e d I/O addr e ss in th e “ Address” field, selec t t he desired IRQ an d COM n umbe r. Th en click [ O K ] and [ Sa v e ] to save th e new co nfigur ation a nd exit.
3-26 Indu stio CI-134 Series Us er’ s Man ual Co n f i g u r i n g Dr i v er Th e c o nfigur ation pr ogram, C on figur a t ion in th e “ MOXA Stan dar d COMM Drive r” progra m group, h as the easiest w ay to co nfigur e th e 4 po rts of Indu stio CI-134.
Soft ware Installation Indu stio CI-134 Series Us er’ s Man ual 3-27 Due to th e li mitati o ns of Win do w s 3.x ope ra ting sy s tem itself, on ly u p t o 9 C O M p or t s ar e suppo rted, i.
3-28 Indu stio CI-134 Series Us er’ s Man ual.
Indu stio CI-134 Series Us er’ s Man ual 4-1 4 4 4 S eria l Pro g ram min g T o ols Mo xa supports easy b ut pow e rful seria l progr ammin g libra ry a nd communicati o n tr o ub leshoo t ing util ities un der Win do w s NT, Window s 95/98, DOS an d Win do w s 3.
4-2 Industio CI-134 Series Us e r’ s Manua l P C o m m Pr o g r am m i n g L i b r ar y Th e seri al co mmuni c ation li b rar y h e lps y o u t o dev elo p pr o gra ms fo r se ri al co mmun ic ations for a n y C O M p or t comply in g w ith Micros o f t Win32 API.
Serial Progr amming Too ls Indu stio CI-134 Series Us er’ s Man ual 4-3 Mo n i t o r ( f o r MOXA b o a r d s u n d er Wi n d o w s NT On l y ) A us ef ul port s tatus m o nit o rin g program th at .
4-4 Industio CI-134 Series Us e r’ s Manua l T er m i n al Em u l at o r Th e Termi nal E mulator fe atur es multi -w i ndow s a nd supports termi nal t y pes of VT100 a nd ANSI. Yo u can tr an sf e r data in teractively , send pa ttern peri o dically or tr ansfe r file using ASCII, XMODEM, YMO DEM, ZMO DEM and KERMIT protoc o ls.
Serial Progr amming Too ls Indu stio CI-134 Series Us er’ s Man ual 4-5 DOS In s t al l i n g A PI-232 API-232 Lib rar y is th e prof es sio na l serial pr ogramm ing to o l fo r DO S. It is i nstal led automaticall y a lo ng w ith t he MOXA DOS dr ive rs.
4-6 Industio CI-134 Series Us e r’ s Manua l Th e re a re th ree major functions in Data Sco pe utili ty : 1. The D at a S co p e utili t y o f fe rs trans pare nt mo nit o ring o f se rial co mm uni c ati o n lin es an d all o w s data t o be streamed t o disk storage fo r later ana ly sis.
Serial Progr amming Too ls Indu stio CI-134 Series Us er’ s Man ual 4-7 Di a g n o s e Th e Diagnose , B I NDI AG NO SE .E XE , is a utili ty that can help use rs t o diagn o se th e ha rdware co ndit io n o f each port of th e selec ted bo ard. See on-l ine h e lp fo r mor e details.
4-8 Industio CI-134 Series Us e r’ s Manua l W i n d o w s 3.x Wi n d o w s COM M A P I L i b r ar y (Wi n 16) MOXA W indow s-c o mpati b le COMM D ri v e r suppo rts M i cr oso ft W in d ows C O M M AP I such a s OpenComm(), Re adComm(), Wri te Comm(), etc.
Serial Progr amming Too ls Indu stio CI-134 Series Us er’ s Man ual 4-9 Ex i s t i n g A p p l i c at i o n s Many Win do w s so f tw are packages, suc h as pcA NYW H ER E, L ab View , F IX, Win Fax Pro, Fax S erve r, PROCO MM PL U S, L apLink, etc.
4-10 Indu stio CI-134 Series Us er’ s Man ual RS-485 Pr o g r am m i n g If y ou in tend t o do RS-485 c ommunicati o n w i th In dust io CI-134 S eries, please fo llow th e RS-485 pr o gra mmin g guide be lo w an d also r ef er to th e cha pter, “ C on n ect ion C a b l e a n d C a b le W ir in g” , fo r m o re RS -485 ope ra tion detail s.
Serial Progr amming Too ls Indu stio CI-134 Series Us er’ s Man ual 4-11 Th e re a re 2 solutions to co nt rol RS -485 2-wire tr an s mission. So l u t i o n 1 Th e fo llow i ng m o de l is c o mmon i n RS-485 2-w ir e tr an smissio n.
4-12 Indu stio CI-134 Series Us er’ s Man ual.
Indu stio CI-134 Series Us er’ s Man ual 5-1 5 5 5 Co n ne ct ion C able a nd Cab l e W ir ing In se ri al data c o mmun ications, th e term DT E is fo r Dat a Termin al Equipment, like PC COM1/2, serial prin ters a nd ter min als. The ter m DC E i s f o r Dat a Communicati o n Equipment, like modems.
5-2 Industio CI-134 Series Us e r’ s Manua l RS-422 Poi n t -t o -p o i n t RS-422 Br o ad cas t i n g C I -13 4 R S-422 Device C I -13 4 R S-422 Device 1 2 TxD+(B) RxD+(B) 2 T xD+(B) RxD+(B) 1 TxD-.
Conne ction Cable and Cable Wiring Indu stio CI-134 Series Us er’ s Man ual 5-3 RS-485 Cab l e W i r i n g Th e R S-485 stan dar d is a n enh anced version o f th e R S-422 b alan c ed l ine standa rd. It allow s multi ple drivers an d r ec e ive rs i n a m ultidr o p sy stems.
5-4 Industio CI-134 Series Us e r’ s Manua l Im p ed an c e M at c h i n g an d Ter m i n at i o n Re s i s t o r s Fo r R S-422/485 se ri al communicati o ns, w h en a n e lec tri c al s ign al tr .
Conne ction Cable and Cable Wiring Indu stio CI-134 Series Us er’ s Man ual 5-5 DB -37 Co n n ec t o r Pi n Ou t s Th e f o llow i ng lists pin assignm e nt o f the Indu stio CI-134 Se ri e s DB37 c o nn ec to r o n th e bracket. Fo r RS-422 Mo d e P in no .
5-6 Industio CI-134 Series Us e r’ s Manua l.
Indu stio CI-134 Series Us er’ s Man ual 6-1 6 6 6 Tr ou bl es ho o t ing Commo n In dusti o CI-134 Se ries prob lems and po ss ible so lutions are listed b e lo w .
6-2 Industio CI-134 Series Us e r’ s Manua l So f t w ar e Cau s es an d So l u t i o n s : a. Fo r RS -422 mo de , I ndu stio CI-134 Seri e s c hecks the lin e status (CTS) bef o re it se nds data out if th e R TS/CTS f lo w co ntr o l f eature is s et to “ En ab le” in the co nfigura tion o r appl ication progra m.
Troub leshoot ing Indu stio CI-134 Series Us er’ s Man ual 6-3 Th e fo llow i ng pr oc e dure i nstr uc ts user t o reco v er once th e CAP is un know n. Step 1 . Pow er o f f the PC. OFF Step 2 . In stall j umper ont o th e JP1 of th e bo ard. jumper JP1 Insta ll Step 3 .
6-4 Industio CI-134 Series Us e r’ s Manua l Step 9 . Re mov e th e jumper on po sition JP1. jumper JP1 Remove Step 1 0. Po w e r o n the PC. ON W i n d o w s NT Th is section is s pec if ic fo r tr o ub les hoo tin g un de r W in do w s N T.
Troub leshoot ing Indu stio CI-134 Series Us er’ s Man ual 6-5 d. Th e board(s) is n ot plugged pr o pe rl y . Please ma ke sure th e bo ard i s seated firmly in the expan sio n slo t. e. Th e slo t fo r plugging the bo ar d is def ec tive . In thi s case , please tr y o ther slo ts un til y ou f ind a goo d one.
6-6 Industio CI-134 Series Us e r’ s Manua l DOS Th is sec tion is specif ic fo r tr o ub leshoo ting un de r DOS. Fo r genera l pr o b lems a nd so lutions, please see pr e v ious Sec tion "Gener al Tr oub le shoo tin g". 1. Aft e r execu t in g SE R -DR V.
Indu stio CI-134 Series Us er’ s Man ual A-1 A A p p p p e e n n d d i i x x A T e c h n i c a l R e f e r e n c e Sp ec i f i c at i o n s v Bus in terface : 16-bit ISA (EISA co mpatible) v Numbe r of ports: 4 v Max. boards: 4 v I/O addr .: 0x0000 ~ 0xFF FF v IRQ : 2, 3, 4, 5, 7, 10, 11, 12, 15 v Comm.
A-2 Indust io CI-134 Series Us er’ s Man ual CI-134 Serie s Wind ow s NT 3 Wind ow s 95/98 3 DOS 3 Wind ow s 3.x 3 Linux R SCO U NIX/Op en Se rve r C SCO X ENIX C QNX C Free BSD C OS/2 C 3 : Drive r.
Tech nical Refe renc e Indu stio CI-134 Series Us er’ s Man ual A-3 PC I/ O Po r t A d d r es s M ap Th e fo llow i ng i s the l ist of th e I/O port addr e sse s co m mo nl y used, w hich is goo d f o r preve nt ing I/O addr e ss co n flict w hen co nfigurin g Industio CI-134 Series.
Problem Report Form I n d u s t i o CI-1 34 Series Custo m er name: Company: Tel : Fax: Email: Dat e: 1. M oxa P r od u ct : CI - 134 Seri es M od el : o CI - 134 o CI - 134I o CI -134I S Ser i a l Nu m b er : ____________ 2. M oxa Dr i v er Ver si o n : ________________ 3.
Return Procedu re Fo r produc t r epair, exc ha nge or r ef und, y ou must: v Prov ide e v idence o f origi nal purch ase . v Fill out th e Prob lem Re po rt Fo rm (PR F) as detailed as possib le f o r shorter product repair ti me. v Ob tain a Return Merchan dise Authori zation (R MA) number from th e sales repr e se nt ative or dealer .
デバイスMoxa Technologies RS-422の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Moxa Technologies RS-422をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはMoxa Technologies RS-422の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Moxa Technologies RS-422の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Moxa Technologies RS-422で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Moxa Technologies RS-422を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はMoxa Technologies RS-422の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Moxa Technologies RS-422に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちMoxa Technologies RS-422デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
