mankhwala

4 mpaka 20 mA gwero. Njira iliyonse yotulutsa imayendetsa katundu wakunja ndipo imatulutsa 0 mpaka 20 mA. Mphamvu ya transmitter kuchokera mugawo lililonse ndi diode OR'd palimodzi mu adaputala yowonjezereka kuti iwonetsetse kuti pali mphamvu zambiri. Microprocessor ya gawo lililonse imagwiritsa ntchito pulogalamu ya analog I/O, kuphatikiza njira zachitetezo zomwe zimatsimikizira thanzi la FBM. Zosankha za njira zolowetsa zikuphatikiza kusankha kosinthika kwa nthawi yophatikizira pa module iliyonse. Chitetezo cha tchanelo cholowetsa chimakulitsidwa ndikuwonjezera mphamvu zolowera panjirayo kuchokera pamagetsi aliwonse mugawo lililonse la awiriwa. Zosankha zosinthika m'ma module a chitetezo chotuluka zikuphatikizapo Fail-Safe Action (Gwirani / Fallback), Analog Output Fail-Safe Fallback Data (pa njira iliyonse), Fieldbus Fail-Safe 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 zomwe zimachokera ku ntchito kuti zikhale zovuta zomwe zimawoneka ngati module yosalandira bwino zolemba kapena kusayesa mayeso a chitetezo pa FBM microprocessor imalembera zolembera. Kukhazikitsa kwa Analogi Output Fail-Safe Fallback Data njira ya 0 mA kutulutsa kumachepetsanso kuthekera kwa "kulephera kwambiri". KUSINTHA KWAMBIRI Kuti mukhale olondola kwambiri, gawoli limaphatikizapo otembenuza a sigmadelta pa njira iliyonse, yomwe imapereka mawerengedwe atsopano a analogi pa 25 ms iliyonse, ndi nthawi yosakanikirana yosakanikirana kuti athetse phokoso lililonse la ndondomeko ndi maulendo amagetsi. Nthawi iliyonse, FBM imasintha zoyika za analogi kukhala zadijito, kuwerengera mitengoyi pakapita nthawi ndikupereka mtengo wapakati kwa wowongolera. KUKHULUPIRIKA KWAMBIRI Kubwerezabwereza kwa ma module awiri, kuphatikizapo kuphimba kwakukulu kwa zolakwika, kumapereka nthawi yochuluka kwambiri yopezeka ya subsystem. Adapter ya Redundant imapereka malo oyesera omwe angagwiritsidwe ntchito poyesa nthawi ndi nthawi komanso kuyeza kwa voliyumu yotulutsa mphamvu yamagetsi aliwonse. Kuyesa kwapang'onopang'ono kotereku kumatha kuwonjezera kupezeka kwa ziwerengero za module. STANDARD DESIGN FBM205 ili ndi aluminiyamu yolimba yakunja yoteteza mabwalo. Malo otchingidwa mwapadera kuti akhazikitse ma FBM amapereka magawo osiyanasiyana achitetezo cha chilengedwe, mpaka malo ovuta, malinga ndi ISA Standard S71.04. ZOYENERA ZOONEKERA Ma diode otulutsa kuwala (Ma LED) ophatikizidwa kutsogolo kwa gawoli amapereka zidziwitso za magwiridwe antchito a Fieldbus Module. KUCHOTSA / KUSINTHA KWAMBIRI Module iliyonse ikhoza kusinthidwa popanda kusokoneza zolowetsa m'munda kapena zizindikiro zotuluka ku gawo labwino. The module akhoza kuchotsedwa / m'malo popanda kuchotsa munda chipangizo kuchotsa cabling, mphamvu, kapena mauthenga cabling. FIELDBUS COMMUNICATION A Fieldbus Communications Module kapena Control Processor imalumikizana ndi 2 Mbps module Fieldbus yomwe imagwiritsidwa ntchito ndi FBMs. FBM205 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.