{"product_id":"omron-nx-ad3603-nx-series-4-channel-analog-input-unit","title":"Omron NX-AD3603 NX Series 4-Channel Analog Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFacilitating high-speed analog-to-digital conversion within Sysmac automation architectures, the \u003cstrong\u003eOmron NX-AD3603\u003c\/strong\u003e accepts four channels of single-ended voltage signals for real-time PLC processing. This high-density analog input module operates seamlessly on the NX bus, providing fast signal acquisition for motion control, process monitoring, and general industrial automation applications. Utilizing a tool-free push-in terminal design, it reduces field deployment time while maintaining high electrical connection stability under vibrational stress.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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 style=\"margin-bottom: 0.5rem;\"\u003eFour single-ended analog input channels configured for bipolar voltage signals.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eWide signal input range covering minus 10 V to plus 10 V.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh conversion speed of 250 microseconds per point.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eIntegrated 12-terminal push-in, screwless clamping terminal block for tool-free field wiring.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eSupports Free-Run I\/O refreshing for continuous, non-synchronized update cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTarget Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eFeedback signal processing for variable frequency drives (VFDs) and servo systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003ePneumatic and hydraulic proportional valve voltage feedback loop integration.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-speed industrial measurement and automated test stations.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eData acquisition systems for external environmental sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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 #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eValue \/ Rating\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eNX-AD3603\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eminus 10 V to plus 10 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eResolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1\/8000\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConversion Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e250 microseconds \/ point\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSingle-ended\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eI\/O Refreshing Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFree-Run refreshing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAccuracy (at 25 degC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eplus\/minus 0.2 percent (full scale)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAccuracy (0 to 55 degC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eplus\/minus 0.4 percent (full scale)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Impedance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1 MOhm minimum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAbsolute Maximum Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eplus\/minus 15 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eIsolation Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBetween input and NX bus: Transformer (Power), Digital Isolator (Signal). No isolation between inputs.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInsulation Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e20 MOhm minimum (at 100 VDC) between isolated circuits\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.35 W maximum (connected to CPU); 1.10 W maximum (connected to Coupler)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e12-terminal screwless clamping terminal block\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eUnit Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.07 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.00 kg\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 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe NX-AD3603 is optimized for bipolar voltage applications (minus 10 V to plus 10 V). If your deployment requires differential inputs or higher input-to-input isolation, consider the NX-AD3203 which offers differential input structures. This module is compatible with all Omron NX-series CPU units, EtherCAT Coupler Units, and EtherNet\/IP Coupler Units. Parameter configuration must be managed through Sysmac Studio software.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause this module utilizes a single-ended design, all four input channels share a common internal signal ground (no isolation between individual input channels). Ground loops can easily develop if the external sensors are connected to different ground potentials. To prevent measurement errors or damage to the module, ensure all signal grounds are referenced to a single common system point or use external signal isolators on individual lines.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use shielded twisted-pair cables for analog signal connections to suppress high-frequency noise from nearby variable frequency drives. Ground the cable shield exclusively on the panel enclosure side (single-point grounding) to avoid circulating ground currents. For the screwless clamping terminals, use ferrules with an insulation sleeve length of 8 mm to 10 mm to ensure stable physical insertion.\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;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDisconnect all electrical power supplies from the NX bus, the auxiliary I\/O power, and the field devices before attempting module installation, removal, or manual wiring. Failure to completely de-energize the entire system may result in structural damage to the NX bus interface connectors, corrupt internal parameters, or cause electrical shock.\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: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign the top and bottom guide hooks of the NX-AD3603 module with the track of the adjacent module on the DIN rail.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSlide the module straight toward the adjacent unit until you hear a distinct click, confirming that the NX bus connectors are fully engaged.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eInsert your pre-stripped wires or ferruled connections directly into the screwless clamp terminals until the clamp locks. Verify physical connection security with a gentle pull-test.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077924249963,"sku":"NX-AD3603","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/nx-ad3603-ubhxlshfxnl.png?v=1775733955","url":"https:\/\/www.plcprotech.com\/ms\/products\/omron-nx-ad3603-nx-series-4-channel-analog-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}