{"product_id":"omron-cj1w-ad081-v1-cj1-series-analog-input-unit","title":"Omron CJ1W-AD081-V1 CJ1 Series Analog Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eFor high-density process data acquisition in industrial environments, the \u003cstrong\u003eCJ1W-AD081-V1\u003c\/strong\u003e serves as a reliable multi-channel \u003cstrong\u003eanalog input unit\u003c\/strong\u003e within the Sysmac CJ-series PLC platform. This module supports up to eight analog input channels on a single slot, making it highly efficient for cabinets with limited footprint. It interfaces directly with CJ1, CJ2, and compatible CPU racks via the system bus, facilitating rapid data transfers and streamlined diagnostic monitoring.\u003c\/p\u003e\n\n\u003cp\u003eEach channel can be independently configured for different input signal types, allowing engineers to mix voltage and current signals on the same physical module. Key processing functions integrated directly into the hardware include scaling, peak hold, mean value processing, and input wire-disconnection detection, which reduces the computational load on the main CPU.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports up to 8 analog input channels in a compact single-slot width.\u003c\/li\u003e\n  \u003cli\u003eIndependently configurable inputs for voltage (1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to 10 V) and current (4 to 20 mA).\u003c\/li\u003e\n  \u003cli\u003eHigh-speed conversion rate of 250 microseconds per point (2 milliseconds total for all 8 points).\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution conversion mode up to 1\/8000 (standard mode is 1\/4000) for precise application control.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in digital filter function to suppress high-frequency process noise.\u003c\/li\u003e\n  \u003cli\u003ePeak hold and valley hold functions for tracking transient process limits.\u003c\/li\u003e\n  \u003cli\u003eDisconnection detection feature for 1 to 5 V and 4 to 20 mA input signals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-zone temperature tracking and monitoring in thermal processing.\u003c\/li\u003e\n  \u003cli\u003eFlow rate, level, and pressure transmitter integration in water treatment systems.\u003c\/li\u003e\n  \u003cli\u003eFeedback control loops in plastic extrusion and chemical dosing machinery.\u003c\/li\u003e\n  \u003cli\u003eFactory automation and process monitoring systems requiring high-density analog acquisition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eManufacturer\u003c\/strong\u003e\n      \u003ctd\u003eOmron\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003ePart Number\/Model\u003c\/strong\u003e\n      \u003ctd\u003eCJ1W-AD081-V1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eSeries\u003c\/strong\u003e\n      \u003ctd\u003eCJ Series (CJ1, CJ2)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eModule Type\u003c\/strong\u003e\n      \u003ctd\u003eAnalog Input Unit (Special I\/O Unit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\n      \u003ctd\u003e8 points\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInput Ranges (Voltage)\u003c\/strong\u003e\n      \u003ctd\u003e1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to 10 V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInput Ranges (Current)\u003c\/strong\u003e\n      \u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInput Impedance (Voltage)\u003c\/strong\u003e\n      \u003ctd\u003e1 MOhm minimum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInput Impedance (Current)\u003c\/strong\u003e\n      \u003ctd\u003e250 Ohm rated resistance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eResolution\u003c\/strong\u003e\n      \u003ctd\u003e1\/4000 (standard mode), 1\/8000 (high-resolution mode)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eConversion Speed\u003c\/strong\u003e\n      \u003ctd\u003e250 microseconds\/point max.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eAccuracy (at 25 degC)\u003c\/strong\u003e\n      \u003ctd\u003eVoltage: +\/-0.2% of F.S. | Current: +\/-0.4% of F.S.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eIsolation\u003c\/strong\u003e\n      \u003ctd\u003ePhotocoupler isolation between input terminals and PLC internal bus (no isolation between individual input channels)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eExternal Connections\u003c\/strong\u003e\n      \u003ctd\u003e18-point terminal block (detachable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\n      \u003ctd\u003e420 mA max. at 5 VDC (supplied via backplane)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eDimensions\u003c\/strong\u003e\n      \u003ctd\u003e31 mm x 90 mm x 89 mm (W x H x D)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eWeight\u003c\/strong\u003e\n      \u003ctd\u003e150 g (excluding shipping packaging)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\n      \u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cp\u003eThe unit features an 18-point detachable terminal block. Users can pre-wire the block before attaching it to the module. Terminal mappings should follow standard instrumentation wiring layouts:\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Pair\u003c\/th\u003e\n      \u003cth\u003eSignal Designation\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA1 \/ B1\u003c\/td\u003e\n      \u003ctd\u003eV IN 1 \/ I IN 1\u003c\/td\u003e\n      \u003ctd\u003eInput 1 Voltage (+) \/ Input 1 Current (+)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA2 \/ B2\u003c\/td\u003e\n      \u003ctd\u003eCOM 1\u003c\/td\u003e\n      \u003ctd\u003eInput 1 Common (-)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA3 \/ B3\u003c\/td\u003e\n      \u003ctd\u003eV IN 2 \/ I IN 2\u003c\/td\u003e\n      \u003ctd\u003eInput 2 Voltage (+) \/ Input 2 Current (+)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA4 \/ B4\u003c\/td\u003e\n      \u003ctd\u003eCOM 2\u003c\/td\u003e\n      \u003ctd\u003eInput 2 Common (-)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA5 \/ B5\u003c\/td\u003e\n      \u003ctd\u003eV IN 3 \/ I IN 3\u003c\/td\u003e\n      \u003ctd\u003eInput 3 Voltage (+) \/ Input 3 Current (+)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA6 \/ B6\u003c\/td\u003e\n      \u003ctd\u003eCOM 3\u003c\/td\u003e\n      \u003ctd\u003eInput 3 Common (-)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA7 \/ B7\u003c\/td\u003e\n      \u003ctd\u003eV IN 4 \/ I IN 4\u003c\/td\u003e\n      \u003ctd\u003eInput 4 Voltage (+) \/ Input 4 Current (+)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA8 \/ B8\u003c\/td\u003e\n      \u003ctd\u003eCOM 4\u003c\/td\u003e\n      \u003ctd\u003eInput 4 Common (-)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA9 \/ B9\u003c\/td\u003e\n      \u003ctd\u003eNC \/ SLD\u003c\/td\u003e\n      \u003ctd\u003eNo Connection \/ Shield Ground Terminal\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: Terminals A10 through B18 follow a repeating functional layout for Inputs 5 through 8. When using current inputs, short-circuit the voltage input (V IN) and current input (I IN) terminals for that channel.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways switch off the PLC system power supply before mounting or removing the module from the rack.\u003c\/li\u003e\n  \u003cli\u003eEnsure the slide locks on the top and bottom of the unit are securely locked into the adjacent modules.\u003c\/li\u003e\n  \u003cli\u003eTo prevent electromagnetic interference, use shielded twisted-pair (STP) cables for all analog signal runs.\u003c\/li\u003e\n  \u003cli\u003eRoute analog I\/O wiring separately from high-voltage, high-current AC power cables.\u003c\/li\u003e\n  \u003cli\u003eConnect the shield wire of the input cables to the shield terminal (SLD) or ground them at the panel entry point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE Mark Directive compliant\u003c\/li\u003e\n  \u003cli\u003eUL and cULus listed\u003c\/li\u003e\n  \u003cli\u003eLloyd's Register approved for marine installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077913076075,"sku":"CJ1W AD081-V1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj1wad081-v1-rlfe3kyiufi.png?v=1775733549","url":"https:\/\/www.plcprotech.com\/products\/omron-cj1w-ad081-v1-cj1-series-analog-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}