Aralin 1Mga batayan ng Cabling: power cables, multi-core control cables, shielded signal cables, at pagpili ng conduit vs trayIpinapakilala ng seksyong ito ang mga batayan ng cabling para sa power, control, at signals, kabilang ang conductor sizing, insulation types, shielded cables, at pagpili sa pagitan ng conduit at tray, na may pansin sa segregation, bending radius, at EMC performance.
Paglaki ng conductor at voltage dropKonstruksyon ng power vs control cableShielded signal cable at groundingPaghiwalay ng power at signal routesPaggamit ng conduit, tray, at flexible conduitAralin 2Pagpili ng terminal block at distribution: feed-through, fuseable, ground, at shield termination blocksNakatuon ang seksyong ito sa pagpili ng terminal block at distribution, na sumasaklaw sa feed-through, fuse, ground, at shield terminals, ratings ng current at voltage, jumpering, labeling, at layout para sa ligtas at madaling mapapanatili ang industrial control panels.
Aplikasyon ng feed-through terminalFuse at disconnect terminal blocksDisenyo ng grounding at PE terminalShield termination at EMC controlJumpering, labeling, at groupingAralin 3Pagpili ng field device: mga uri ng photoelectric sensor, cable gland at connector selection, naaangkop na ingress protection (IP) ratingsTinitingnan ng seksyong ito ang pagpili ng field devices at interfaces, kabilang ang mga uri ng photoelectric sensor, cable glands, connectors, at IP ratings, na nagbibigay-diin sa kapaligiran, mounting, wiring practices, at mechanical protection para sa maaasahang operasyon.
Diffuse, retroreflective, at through-beam sensorsPNP vs NPN at 2-wire vs 3-wire sensorsPaglaki ng cable gland at strain reliefMga uri ng M12 at iba pang industrial connectorIngress protection (IP) at NEMA ratingsAralin 4Mga protection device: MCCB, MCB, fuses, motor protection circuit breakers, at overload relaysSumasaklaw ang seksyong ito sa mga protection device para sa feeders at motors, kabilang ang MCCBs, MCBs, fuses, motor protection breakers, at overload relays, na nakatuon sa interrupting capacity, trip curves, coordination, at protection ng cables at equipment.
MCB at MCCB ratings at trip curvesMga uri, klase, at aplikasyon ng fuseMotor protection circuit breakers (MPCBs)Thermal at electronic overload relaysMga batayan ng selective at backup coordinationAralin 5Mga pamantayan sa pagpili ng VFD: voltage rating, current rating, overload capacity, braking, EMC filtersInilalarawan ng seksyong ito kung paano pumili ng VFDs batay sa voltage at current rating, overload capacity, braking options, at EMC filters, kabilang ang pagtugma sa motor data, ambient conditions, cable length, at kinakailangang control interfaces at protections.
Pag-tugma ng VFD voltage at currentNormal at heavy duty overload classesDynamic braking at braking resistorsInput at output EMC filter optionsCable length, dV/dt, at motor stressAralin 6Mga uri ng three-phase supply at pagpili (208V/230V/400V/480V) at epekto sa sizing ng motor/VFDIpinaliliwanag ng seksyong ito ang karaniwang three-phase supply systems (208, 230, 400, 480 V), ang kanilang frequency, grounding, at short-circuit levels, at kung paano ito nakakaapekto sa pagpili ng motor at VFD, insulation ratings, at panel component clearances.
Wye vs delta at grounded systems208 V vs 230 V vs 400 V vs 480 V useMga implikasyon ng frequency at motor speedShort-circuit level at SCCR impactVoltage tolerance at derating rulesAralin 7Pagpili ng motor at thermal ratings para sa 5–10 HP motors kabilang ang service factors at nameplate interpretationSumasaklaw ang seksyong ito sa pagpili ng 5–10 HP motors, na nakatuon sa voltage, enclosure, at duty, pagtugon sa nameplate data, thermal classes, service factor, at kung paano ito nakakaapekto sa overload settings, starting methods, at coordination sa drives.
Pagbasa ng motor nameplate dataInsulation at temperature rise classesService factor at allowable overloadMga uri ng enclosure at cooling methodsDuty cycle at starting requirementsAralin 8Control power supplies: AC vs DC control, sizing ng 24VDC supplies, redundancy at filteringInihahalintulad ng seksyong ito ang AC at DC control power, ipinaliliwanag kung paano sukatin ang 24 VDC supplies para sa steady at inrush loads, at sumasaklaw sa redundancy, buffering, at filtering methods upang mapabuti ang reliability at noise immunity sa industrial panels.
Mga kalamangan ng AC vs DC control powerPagkalkula ng 24 VDC load at inrushDerating ng power supplies para sa temperaturaRedundant at parallel supply schemesEMI filtering at surge protectionAralin 9Auxiliary devices: contactors, control relays, timers, pushbuttons, pilot devices, stack light modulesIpinaliliwanag ng seksyong ito kung paano pumili ng auxiliary devices tulad ng contactors, control relays, timers, pushbuttons, pilot lights, at stack lights, na nakatuon sa coil ratings, utilization categories, mechanical life, at suitability para sa control schemes.
Contactor utilization categories at coilsControl relays at interposing relaysOn-delay, off-delay, at multifunction timersPushbuttons, selector switches, pilot lightsStack lights, buzzers, at signaling levels
