mankhwala

ZOCHITIKA ZONSE ZOPHUNZITSA ANALOG Chotchinga chowonjezera cha analogi, AOUTR, chimagwiritsidwa ntchito pazotulutsa ziwiri zilizonse. Chotchinga cha AOUTR chimagwira zotulutsa ndikulemba ndi malingaliro oyambira pamakanema osafunikira. Pazochitika zilizonse zomwe zimalembedwa zofanana zimatumizidwa ku ma modules onse, pogwiritsa ntchito fieldbus ndi logic circuitry ya module iliyonse. Pamene kulephera kuzindikirika mu imodzi mwa ma modules, kutulutsa kwake kumayendetsedwa ku 0 mA ndipo njira yofananira mu module yabwino imangopitiriza kupereka yoyenera. Njira iliyonse yotulutsa imayendetsa katundu wakunja. Mphamvu ya transmitter kuchokera mugawo lililonse ndi diode OR'd palimodzi mu adaputala yofunikira kuti itsimikizire mphamvu yocheperako. Microprocessor ya module iliyonse imapanga pulogalamu yogwiritsira ntchito analogi, kuphatikizapo njira zotetezera zomwe zimatsimikizira thanzi la module. Zosankha zosinthika m'ma modules zikuphatikizapo Fail-Safe Action (Hold/Fallback), Analog Output Fail-Safe Fallback Data (pa njira imodzi), Fieldbus FailSafe Enable, ndi Fieldbus Fail-Safe Delay Time. Njira ya Analog Output Fail-Safe Fallback Data iyenera kukhazikitsidwa kuti ikhale yotulutsa 0 mA. Izi zimachotsa imodzi mwa njira zotulutsira ntchito pamavuto omwe angawonekere monga gawo lomwe sililandira bwino zolembedwa, kapena kusayesa mayeso achitetezo pa FBM microprocessor amalembera zolembera. Kukhazikitsa kwa Analogi Output Fail-Safe Fallback Data njira ya 0 mA kutulutsa kumachepetsanso kuthekera kwa "kulephera kwambiri". PHYSICAL DESIGN FBM237 ili ndi kapangidwe kake, kokhala ndi aluminiyamu yolimba yakunja kuti itetezere mabwalo. Malo otsekeredwa opangidwa mwapadera kuti akhazikitse ma FBM amapereka magawo osiyanasiyana achitetezo cha chilengedwe, mpaka malo ovuta (Kalasi G3), malinga ndi ISA Standard S71.04. KUKHULUPIRIKA KWAMBIRI Kubwerezabwereza kwa ma module awiri, kuphatikizapo kuphimba kwakukulu kwa zolakwika, kumapereka nthawi yochuluka kwambiri yopezeka ya subsystem. Module iliyonse muzowonjezera ziwiri zitha kusinthidwa popanda kusokoneza ma siginecha otulutsa ku gawo labwino. The module akhoza kuchotsedwa / m'malo popanda kuchotsa munda chipangizo kuchotsa cabling, mphamvu, kapena mauthenga cabling. ZOCHITIKA ZOSANGALATSA Ma diode otulutsa kuwala (Ma LED) ophatikizidwa kutsogolo kwa gawoli amapereka ziwonetsero za ntchito za fieldbus module. FIELDBUS COMMUNICATION A Fieldbus Communications Module kapena Control Processor imalumikizana ndi 2 Mbps module Fieldbus yomwe imagwiritsidwa ntchito ndi FBMs. FBM237 imavomereza kulankhulana kuchokera ku njira iliyonse (A kapena B) ya 2 Mbps Fieldbus - ngati njira imodzi yalephera kapena kusinthidwa pa mlingo wa dongosolo, gawoli likupitiriza kulankhulana pa njira yogwira ntchito. KUPWIRITSA NTCHITO YOPHUNZITSIRA NTCHITO Gawoli limakwera pa Standard Modular baseplate, yomwe imakhala ndi ma Fieldbus Module asanu ndi atatu. Modular baseplate mwina ndi njanji ya DIN yokwezedwa kapena rack, ndipo imaphatikizapo zolumikizira zolumikizira za Fieldbus zosafunikira, mphamvu yodziyimira payokha ya dc, ndi zingwe zoyimitsa. Ma module a Redundant ayenera kukhala moyandikana ndi PSS 31H-2Z37 Page 3 osamvetseka/ngakhale malo awiriawiri pa baseplate (maudindo 1 ndi 2, 3 ndi 4, 5 ndi 6, kapena 7 ndi 8). Kuti mukwaniritse zotulutsa zosafunikira, gawo lowonjezera la adapter limayikidwa pazitsulo ziwiri zoyandikana ndi baseplate termination cable kuti apereke chingwe cholumikizira chimodzi (onani Chithunzi 1). Chingwe choyimitsa chimodzi chimalumikizana kuchokera pa adapter yowonjezereka kupita ku TA yogwirizana. Kumapulogalamu osinthira makina komanso kuyang'anira machitidwe ena kudzera pa SMON, System Manager, ndi SMDH, ma module a FBM237 osafunikira amawoneka ngati osiyana, osafunikira. Kuwonongeka kwa magwiridwe antchito a ma module awa kumaperekedwa ndi ma block omwe amalumikizana nawo. TERMINATION ASSEMBLIES (TA) Ma siginecha a Field I/O amalumikizana ndi kagawo kakang'ono ka FBM kudzera pamisonkhano yoyimitsa njanji ya DIN. Ma TA omwe amagwiritsidwa ntchito ndi FBM237 akufotokozedwa mu "TERMINATION ASSEMBLIES AND CABLES" patsamba 7.