{"product_id":"f3xa08-1n-yokogawa-electric-8-channel-ac-digital-input-module-fa-m3","title":"F3XA08-1N Yokogawa Electric 8-Channel AC Digital Input Module | FA-M3","description":"\u003ch3\u003e\u003cstrong\u003eF3XA08-1N | AC Signal Acquisition for FA-M3 Controllers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #1565c0;\"\u003eYokogawa F3XA08-1N\u003c\/span\u003e\u003c\/strong\u003e is an eight-point AC digital input module for compatible Yokogawa FA-M3 programmable controller systems. It receives 100–120 V AC field signals and converts their states into input information for controller logic.\u003c\/p\u003e\n\u003cp\u003ePhotocoupler isolation separates the input signal interface from the module's internal logic circuitry. Selectable input response times help engineers balance signal recognition speed and input stability.\u003c\/p\u003e\n\u003cp\u003eThe module supports applications that monitor AC-powered auxiliary contacts, relay outputs, and compatible field switching devices. Its screw-terminal connection provides a practical interface for control panel wiring and maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Yokogawa Electric Corporation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cspan style=\"color: #1565c0;\"\u003e\u003cstrong\u003eF3XA08-1N\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct series:\u003c\/strong\u003e FA-M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule category:\u003c\/strong\u003e AC digital input module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput capacity:\u003c\/strong\u003e 8 points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated input voltage:\u003c\/strong\u003e 100–120 V AC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation method:\u003c\/strong\u003e Photocoupler isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e 10-point M3.5 screw terminal block\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Data | Electrical Input Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog model\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eF3XA08-1N\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController family\u003c\/td\u003e\n\u003ctd\u003eYokogawa FA-M3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput signal type\u003c\/td\u003e\n\u003ctd\u003eAC voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of input points\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated input voltage\u003c\/td\u003e\n\u003ctd\u003e100–120 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated input frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated input current\u003c\/td\u003e\n\u003ctd\u003e5.4–6.5 mA per point at 100–120 V AC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating voltage range\u003c\/td\u003e\n\u003ctd\u003e85–132 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON threshold\u003c\/td\u003e\n\u003ctd\u003eMinimum 80 V AC and 5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF threshold\u003c\/td\u003e\n\u003ctd\u003eMaximum 40 V AC and 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-to-ON response\u003c\/td\u003e\n\u003ctd\u003eSelectable: 15 ms maximum or 30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-to-OFF response\u003c\/td\u003e\n\u003ctd\u003eSelectable: 25 ms maximum or 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSimultaneous ON ratio\u003c\/td\u003e\n\u003ctd\u003eUp to 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation method\u003c\/td\u003e\n\u003ctd\u003ePhotocoupler isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon configuration\u003c\/td\u003e\n\u003ctd\u003e8 points per common group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt function\u003c\/td\u003e\n\u003ctd\u003eSelectable for individual input points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal current consumption\u003c\/td\u003e\n\u003ctd\u003e40 mA at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal connection\u003c\/td\u003e\n\u003ctd\u003e10-point terminal block with M3.5 screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 130 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSignal Interpretation | ON, OFF and Response Timing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect input interpretation depends on the field voltage, input current, and selected response-time setting. Engineers should evaluate all three when integrating the module with relay contacts or AC-powered devices.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInput condition\u003c\/th\u003e\n\u003cth\u003eSpecified threshold\u003c\/th\u003e\n\u003cth\u003eEngineering implication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eValid ON state\u003c\/td\u003e\n\u003ctd\u003eAt least 80 V AC and 5 mA\u003c\/td\u003e\n\u003ctd\u003eConfirm the field device supplies sufficient voltage and current.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValid OFF state\u003c\/td\u003e\n\u003ctd\u003eAt most 40 V AC and 1 mA\u003c\/td\u003e\n\u003ctd\u003eCheck for leakage current or residual voltage when the signal is OFF.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntermediate region\u003c\/td\u003e\n\u003ctd\u003eBetween the stated ON and OFF limits\u003c\/td\u003e\n\u003ctd\u003eDo not assume a guaranteed state without checking the manufacturer's specifications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFast input transition\u003c\/td\u003e\n\u003ctd\u003eSelectable response settings\u003c\/td\u003e\n\u003ctd\u003eChoose a suitable setting for the field signal and controller sequence.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering note:\u003c\/strong\u003e The specified thresholds define electrical input conditions, not a safety-rated switching function. Use approved safety hardware for safety-critical interlocks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration and Wiring Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput grouping:\u003c\/strong\u003e The module specifies eight points per common group. Confirm the terminal diagram before wiring multiple field circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal connections:\u003c\/strong\u003e Use the designated M3.5 screw terminals and the manufacturer's recommended tightening procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC signal source:\u003c\/strong\u003e Verify that each field device matches the 100–120 V AC input requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Photocoupler isolation supports electrical separation between field signals and internal logic circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt configuration:\u003c\/strong\u003e Check CPU and program support before assigning interrupt-sensitive signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput response:\u003c\/strong\u003e Select the documented timing option according to signal characteristics and control-cycle requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSafety precaution:\u003c\/strong\u003e Isolate field power before handling terminals. Follow the applicable electrical safety procedures because these inputs operate at hazardous AC voltage levels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Operating Limits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEnvironmental parameter\u003c\/th\u003e\n\u003cth\u003eOperating condition\u003c\/th\u003e\n\u003cth\u003eStorage condition\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 55°C\u003c\/td\u003e\n\u003ctd\u003e−20°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative humidity\u003c\/td\u003e\n\u003ctd\u003e10–90% RH, non-condensing\u003c\/td\u003e\n\u003ctd\u003e10–90% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAtmosphere\u003c\/td\u003e\n\u003ctd\u003eFree from corrosive gases, flammable gases, and heavy dust\u003c\/td\u003e\n\u003ctd\u003eFollow the manufacturer's storage requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eInstall the module inside a suitable control cabinet. Provide adequate ventilation and protect terminal connections from contamination and condensation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSuitable Equipment and Industrial Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial control panels:\u003c\/strong\u003e Acquire AC status signals from compatible field devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor control centers:\u003c\/strong\u003e Monitor auxiliary contacts from suitable starters and contactors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConveyor systems:\u003c\/strong\u003e Read AC switching signals used for sequence coordination and equipment status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump stations:\u003c\/strong\u003e Monitor compatible relay outputs and auxiliary operating indications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging machinery:\u003c\/strong\u003e Collect machine-state signals for PLC sequence logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess automation:\u003c\/strong\u003e Acquire discrete AC status signals from compatible field interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment retrofits:\u003c\/strong\u003e Replace a matching input module after verifying terminal assignments and controller compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eField Diagnostics | Practical Fault Isolation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObserved symptom\u003c\/th\u003e\n\u003cth\u003ePotential cause\u003c\/th\u003e\n\u003cth\u003eRecommended check\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput does not turn ON\u003c\/td\u003e\n\u003ctd\u003eInsufficient voltage, open wiring, or incorrect common connection\u003c\/td\u003e\n\u003ctd\u003eMeasure field voltage safely and verify the terminal diagram.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput remains ON\u003c\/td\u003e\n\u003ctd\u003eResidual voltage, wiring leakage, or an active field contact\u003c\/td\u003e\n\u003ctd\u003eCheck the field circuit and OFF-state voltage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput state fluctuates\u003c\/td\u003e\n\u003ctd\u003eUnstable supply, loose terminals, or signal transitions near the threshold\u003c\/td\u003e\n\u003ctd\u003eInspect terminal connections and measure the signal under operating conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePLC sequence reacts late\u003c\/td\u003e\n\u003ctd\u003eSelected input response time or controller scan timing\u003c\/td\u003e\n\u003ctd\u003eReview the input filter setting and program execution cycle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt event is missed\u003c\/td\u003e\n\u003ctd\u003eIncorrect interrupt assignment or unsupported program configuration\u003c\/td\u003e\n\u003ctd\u003eVerify per-point interrupt settings and CPU program behavior.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeveral points fail together\u003c\/td\u003e\n\u003ctd\u003eCommon wiring issue, field supply loss, or module-level fault\u003c\/td\u003e\n\u003ctd\u003eCheck the common group, supply distribution, and module diagnostics.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eField example:\u003c\/strong\u003e An AC contactor auxiliary signal may remain logically ON after the contact opens. Measure the OFF-state voltage and check for leakage before replacing the input module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic boundary:\u003c\/strong\u003e The module reports input states to the controller. Fault localization depends on PLC diagnostics, field measurements, wiring checks, and the application's control logic.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen commissioning AC input circuits, engineers should verify the actual voltage at the module terminals rather than relying only on the source device's nominal rating. Cable losses, leakage paths, and contact conditions can affect signal recognition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePractical recommendation:\u003c\/strong\u003e For signals that change close to the input thresholds, inspect the source device and wiring before changing the response-time setting. A longer response time may reduce unwanted transitions, but it can also delay sequence recognition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplacement insight:\u003c\/strong\u003e Match the complete model number, input voltage class, terminal arrangement, common grouping, and CPU compatibility. An eight-point module with a different input type may not be a suitable replacement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFive Professional FAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can this module accept 24 V DC signals from modern proximity sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This model specifies 100–120 V AC inputs. Use a compatible DC input module or an approved interface relay when connecting 24 V DC devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What should engineers do when the field voltage falls between the ON and OFF thresholds?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDo not assume a stable logical state in this region. Check the source voltage, leakage current, wiring, and field device condition against the manufacturer's input specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How should I choose between the available response-time settings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse the faster setting only when the signal and application require it and the manual permits it. Longer response times may help with unstable transitions but can delay signal recognition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does the photocoupler isolation make the module suitable for safety interlocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo safety rating is established by the supplied specifications. Use certified safety components and an approved safety architecture for emergency stops and personnel-protection functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What information helps confirm a replacement module before purchase?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvide the complete catalog number, controller model, field voltage, terminal wiring details, required input response, and application environment. These details help identify electrical and system compatibility issues before installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging, Warranty and Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e One Yokogawa F3XA08-1N AC digital input module, subject to the confirmed order configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e Terminal accessories, cables, and other hardware require separate confirmation unless explicitly included in the quotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-month seller warranty under the agreed terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch target:\u003c\/strong\u003e 24–48 hours after order confirmation, subject to stock availability and payment processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping options:\u003c\/strong\u003e FedEx, UPS, and DHL, subject to destination and service availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Confirm the model, input voltage, quantity, destination, and delivery schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRequest a Quote | Global PLC Spare HUB\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eContact Global PLC Spare HUB for pricing, availability, and delivery options for the \u003cstrong\u003e\u003cspan style=\"color: #1565c0;\"\u003eYokogawa F3XA08-1N\u003c\/span\u003e\u003c\/strong\u003e FA-M3 AC input module.\u003c\/p\u003e\n\u003cp\u003eShare your controller model and field signal requirements to help confirm compatibility. Our team can review the requested configuration before order placement.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/F3XA08-1N_F3XA08-2N_F3XA16-1N.png?v=1792044462\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67644124954806,"sku":"F3XA08-1N","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/F3XA08-1N-1.jpg?v=1792044448","url":"https:\/\/www.plcsparehub.com\/products\/f3xa08-1n-yokogawa-electric-8-channel-ac-digital-input-module-fa-m3","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}