{"product_id":"omron-nx-ad2203-sysmac-nx-series-analog-input-unit","title":"Omron NX-AD2203 Sysmac NX Series Analog Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIntegrating seamlessly into the Sysmac automation architecture, the \u003cstrong\u003eOmron NX-AD2203\u003c\/strong\u003e Analog Input Unit provides precise, high-density current signal acquisition for distributed industrial control systems. This ultra-compact slice I\/O module features \u003cstrong\u003etwo analog inputs\u003c\/strong\u003e calibrated for standard \u003cstrong\u003e4 to 20 mA\u003c\/strong\u003e current loops, allowing direct interfacing with process transmitters, flow meters, and pressure sensors. Operating directly on the synchronous \u003cstrong\u003eNX bus\u003c\/strong\u003e, it enables high-speed data acquisition synchronized with the machine control cycle, reducing signal jitter and enhancing overall loop stability in demanding applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Current Input:\u003c\/strong\u003e Two independent single-ended inputs configured specifically for 4 to 20 mA signals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Density 12mm Width:\u003c\/strong\u003e Slimline profile reduces required DIN-rail footprint inside electrical control enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush-In Plus Technology:\u003c\/strong\u003e Fast, screwless clamping terminal block ensures gas-tight, vibration-proof wiring connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynchronous I\/O Refreshing:\u003c\/strong\u003e Synchronizes analog-to-digital conversions directly with the EtherCAT master controller scan cycle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus-Powered Efficiency:\u003c\/strong\u003e Internal circuitry draws power directly from the NX bus, eliminating the need for dedicated external logic power lines.\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: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eProcess control loops monitoring liquid flow, gas pressure, and vessel temperature.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater monitoring stations integrating remote loop-powered field transmitters.\u003c\/li\u003e\n  \u003cli\u003eChemical dosing and mixing machinery requiring highly synchronized analog feedback.\u003c\/li\u003e\n  \u003cli\u003eHVAC and environmental control systems tracking relative humidity and differential pressure.\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification\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\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 Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNX-AD2203\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 Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog Current (4 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;\"\u003eNumber of Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 single-ended 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;\"\u003eResolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1\/8000\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;\"\u003e250 microseconds per channel\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 Impedance\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eApprox. 250 ohms\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePower Supply Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSupply from the NX bus\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eI\/O Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNo consumption from the I\/O power supply terminals\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 Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eScrewless clamping terminal block (8 terminals)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e12 mm x 100 mm x 71 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.070 kg (70 grams)\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;\"\u003e0.150 kg\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\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe front-facing terminal block utilizes a spring-loaded clamp layout designed to expedite physical wiring and ensure maintenance-free operations under high mechanical vibration.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eTerminal No.\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSignal Name\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunction \/ Connection Details\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;\"\u003eA1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAMP1+\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input positive terminal for Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eA3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAMP2+\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input positive terminal for Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eA5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog common terminal for Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eA7\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCOM2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog common terminal for Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eB1 \/ B3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNC\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNo connection (internal separation)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eB5 \/ B7\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSHIELD\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFunctional ground terminals for cable shield termination\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\u003ch4 style=\"color: #1a365d; margin-top: 1rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe NX-AD2203 is designed specifically for standard 4 to 20 mA current loops. If your field sensors output 0 to 20 mA or raw voltage signals (such as 0 to 10 VDC), you must use the alternative NX-AD2603 or the voltage-specific NX-AD2204. Ensure your Sysmac Studio software is updated to version 1.10 or higher to register and configure this module on the EtherCAT Coupler network without firmware errors.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause this module draws its primary operational logic power directly from the internal NX bus, its reported I\/O current consumption is 0.00 A. However, this means the loop power for your 2-wire field transmitters must be supplied by an external 24 VDC auxiliary power distribution block. Do not attempt to draw transmitter loop power directly from the NX-AD2203 terminals, as it lacks internal transmitter power distribution.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo ensure the 1\/8000 resolution measurement remains noise-free in high-EMI environments (such as proximity to active VFDs), always run shielded twisted-pair (STP) cabling for the analog input lines. Ground the cable shields directly to the B5 or B7 shield terminals of the module. For solid wire or ferruled wire connections, insert directly into the Push-In Plus terminal without tools; to release, use a small flat-blade screwdriver on the orange release button.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING: PHYSICAL SAFETY PROTOCOL\u003c\/strong\u003e\n  \u003cspan style=\"color: #9b2c2c;\"\u003eEnsure the entire PLC system, EtherCAT coupler, and associated field device power supplies are completely de-energized before mounting, removing, or wiring the module. Failure to cut primary power to the NX-bus segment can cause hot-plugging damage to the internal ASIC chips and interrupt active network communications.\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 2px;\"\u003eAlign the top and bottom guide rails of the NX-AD2203 slice with the adjacent NX module or coupler on the DIN-rail.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 2px;\"\u003eSlide the module firmly toward the left until the internal bus connectors click and lock securely into place.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 2px;\"\u003eStrip field signal wires to 8-10 mm. Fully insert ferrules or solid conductors into the Push-In Plus terminals; pull gently to verify a secure physical connection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077934768491,"sku":"NX-AD2203","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/nx-ad2203-w3kccrogxe2.png?v=1775733943","url":"https:\/\/www.plcprotech.com\/pt\/products\/omron-nx-ad2203-sysmac-nx-series-analog-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}