{"product_id":"omron-cj1w-ad041-v1-cj-series-analog-input-unit","title":"Omron CJ1W-AD041-V1 CJ Series Analog Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIntegrating seamlessly into Omron Sysmac CJ-series PLCs, the \u003cstrong\u003eOmron CJ1W-AD041-V1\u003c\/strong\u003e provides high-density, precise analog-to-digital conversion across four physical input channels. This module processes voltage and current field transmitter signals, translating physical variables into highly accurate digital data blocks. Its backplane-driven processor supports advanced signal scaling, peak-hold execution, and customized input filtration algorithms directly inside the memory allocation table, eliminating the need for complex ladder-logic averaging routines.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFour Selectable Channels:\u003c\/strong\u003e Individual configuration per channel for current (4 to 20 mA) or voltage (1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to +10 V) inputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed A\/D Conversion:\u003c\/strong\u003e Configurable conversion speeds reaching up to 250 microseconds per point in high-speed mode.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Resolution Modes:\u003c\/strong\u003e Offers standard 1\/4000 resolution or high-resolution 1\/8000 mode for ultra-precise process variable tracking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetachable Terminal Block:\u003c\/strong\u003e Features an 18-point detachable M3 screw terminal block, enabling swift module replacements without re-wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Diagnostics:\u003c\/strong\u003e Real-time detection of input wire disconnection, over-range levels, and internal hardware faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eChemical processing and multi-loop temperature tracking via 4-20 mA transmitters.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater monitoring involving volumetric flow and pressure transmitters.\u003c\/li\u003e\n  \u003cli\u003eVariable frequency drive (VFD) speed-feedback control systems.\u003c\/li\u003e\n  \u003cli\u003ePrecise packaging and tension-control systems utilizing load cells and signal conditioners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold; color: #1a365d;\"\u003eSpecification Values\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eOmron Industrial Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCJ1W-AD041-V1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCJ Series (CJ1G, CJ1H, CJ1M, CJ2M, CJ2H)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNumber of Analog Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 Channels\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltage Ranges\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 5 V, 1 to 5 V, 0 to 10 V, -10 to +10 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Current Ranges\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 to 20 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eResolution Options\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1\/4000 (Standard), 1\/8000 (High-Resolution Mode)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConversion Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.0 ms\/point max. (Standard), 250 microsec\/point max. (High-Speed)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAccuracy (25 degC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVoltage: +\/-0.2% of FS; Current: +\/-0.4% of FS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eChannel-to-Channel Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNone (Common ground plane)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eBackplane Bus Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePhotocoupler isolated between input terminals and CPU internal logic\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInternal Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.42 A at 5 VDC (Backplane rail)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eExternal Wiring Terminal\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e18-point detachable terminal block (M3 screws)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStandards \u0026amp; Approvals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCE, UL (Class I Div 2), NK, Lloyd's\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.32 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e125 x 105 x 35 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold; color: #1a365d;\"\u003eTerminal No.\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold; color: #1a365d;\"\u003eSignal Label\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold; color: #1a365d;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eV IN 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVoltage Input Terminal, Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eI IN 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Terminal, Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon Terminal, Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eV IN 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVoltage Input Terminal, Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eI IN 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Terminal, Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e6\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon Terminal, Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e7\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eV IN 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVoltage Input Terminal, Channel 3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e8\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eI IN 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Terminal, Channel 3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e9\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon Terminal, Channel 3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eV IN 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVoltage Input Terminal, Channel 4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e11\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eI IN 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Terminal, Channel 4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e12\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon Terminal, Channel 4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e13 to 17\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNC\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNo Connection (Do not wire)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e18\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSLD\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eShield Terminal (Internal system ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \"V1\" suffix indicates critical updates over the legacy non-V1 module. It introduces the high-resolution mode (1\/8000 conversion) and reduces overall conversion times down to 250 microseconds per channel. The module is fully backward compatible; however, if you are upgrading from an older version in a system that utilized specific unit settings, you must reconfirm the I\/O allocation mapping in CX-Programmer to ensure the CPU can register the newer features.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis unit features \u003cstrong\u003enon-isolated input channels\u003c\/strong\u003e, meaning all four channels share a common internal ground plane. If you feed analog signals from devices powered by different external DC supplies, ground-loop offset voltages will distort the analog readings or potentially trigger hardware faults on the module. For isolated channels, choose the CJ1W-AD042 or add signal isolators externally on each loop.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways route the analog signal cabling away from high-voltage motor power cables to mitigate EMI noise coupling. Connect the shield line of the twisted-pair cable exclusively to the SLD terminal (Pin 18) on the module's terminal block. Unused channels must be explicitly disabled in the software configuration; otherwise, they will float and cause the PLC's internal error flags to cycle unexpectedly.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDo not insert or remove the CJ1W-AD041-V1 module from the PLC backplane while the rack is powered. De-energize the main control supply completely and allow all internal bus charges to bleed down to zero before handling. Live insertion will damage the backplane interface ASIC and corrupt the memory tables within the CPU module.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eAlign the structural hook on the upper section of the module with the slot on the PLC backplane. Rotate the module downwards until it seats flush.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eSecure the unit by locking the yellow slider mechanisms at both the top and bottom of the module casing. Ensure they click completely into place.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eWire current loops using the I IN and COM terminals; wire voltage loops via the V IN and COM terminals. Tighten terminal block screws to a maximum torque of 0.5 N-m.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077900984683,"sku":"ÿCJ1W-AD041-V1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj1w-ad041-v1-omron-zx1cwtrkbno.png?v=1775733489","url":"https:\/\/www.plcprotech.com\/ru\/products\/omron-cj1w-ad041-v1-cj-series-analog-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}