{"product_id":"omron-nx-rs1201-nx-series-load-cell-input-unit","title":"Omron NX-RS1201 NX Series Load Cell Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for high-speed, high-accuracy weighing applications, the Omron NX-RS1201 operates as a high-performance weight and force measurement module within the Sysmac automation platform. This high-performance module interfaces directly with strain-gauge load cells, converting raw analog force signals into highly precise digital data. Designed for seamless integration into EtherCAT and EtherNet\/IP networks via NX-series coupler units, the Omron NX-RS1201 features an ultra-fast conversion cycle of \u003cstrong\u003e125 microseconds\u003c\/strong\u003e and a \u003cstrong\u003e24-bit A\/D converter\u003c\/strong\u003e. Its support for Synchronous I\/O refreshing allows exact timing coordination with motion control processes, making it highly effective for dynamic checkweighers, filling systems, and tension control applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eUltra-precise 24-bit analog-to-digital conversion resolution.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-speed 125-microsecond conversion cycle for real-time force measurement.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eFlexible I\/O refreshing options including Synchronous, Free-Run, and Task Period Prioritized refreshing.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eBuilt-in stable 5 VDC (+\/- 10%) load cell excitation voltage output.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eSpace-saving 12 mm wide profile to minimize DIN rail footprint.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eVibration-resistant screwless push-in clamping terminal block (16 points) for rapid field installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-speed industrial checkweighers and packaging machinery.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eContinuous filling, dosing, and batching systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eWeb tension measurement and winding control in paper and film processing.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eMaterial testing machines and press-fit force monitoring systems.\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 #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; 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: 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 Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNX-RS1201\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 Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eLoad Cell Input Unit\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 Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1 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;\"\u003eA\/D Converter Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 bits\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 Cycle\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e125 microseconds\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 Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-5.0 to 5.0 mV\/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 Conversion Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-5.5 to 5.5 mV\/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;\"\u003eLoad Cell Excitation Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5 VDC (+\/- 10%), 60 mA maximum output current\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eZero \/ Gain Adjustment Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-5.0 to 5.0 mV\/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;\"\u003eNonlinearity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+\/-0.01% of full scale\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eZero Drift\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+\/-0.1 microvolt per degC RTI (Refer to Input)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eGain Drift\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+\/-10 ppm per degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eWarm-Up Period\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e30 minutes minimum\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 Connection Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eScrewless clamping terminal block (16 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;\"\u003eProduct Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.07 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;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.00 kg (including protective packaging)\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    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe NX-RS1201 is fully integrated into the Omron Sysmac platform via NX-series Bus Couplers. When replacing legacy analog input modules, ensure that the target Sysmac Studio project configuration is updated to support this unit's 24-bit output structure. Firmware compatibility must be verified with the controller unit: an NJ-series, NX-series, or NY-series controller requires firmware version 1.10 or higher for full Synchronous I\/O operational modes.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause of its ultra-high resolution, the 24-bit A\/D converter is highly sensitive to ambient temperature changes. For applications requiring precise measurements, the module requires a full 30-minute warm-up period to stabilize thermal drift coefficients. If the control panel is located near heat-generating equipment (such as variable frequency drives or large transformers), forced ventilation is highly recommended to maintain a steady ambient temperature and prevent drift.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo maintain maximum measurement integrity, avoid running the load cell signal cables in parallel with high-voltage AC power lines. Utilize double-shielded, twisted-pair cables for excitation and signal paths. The cable shield must be terminated at a single point—preferably at the functional ground terminal of the NX-series system—to prevent ground loops that introduce electrical noise to the microvolt-level inputs.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\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 SAFETY WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.95rem;\"\u003eTurn off all power supplies to the PLC rack and field devices before installing, removing, or wiring the module. Failure to de-energize equipment can result in electrical shock, equipment damage, or erratic system behavior.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eAlign the guide hooks on the side of the NX-RS1201 with the adjacent module or bus coupler, then slide the unit onto the DIN rail until it clicks securely into place.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eStrip the load cell connection wires to the recommended length (typically 8 to 10 mm) and insert them directly into the push-in screwless clamp terminals. Ensure the Excitation (+\/-) and Signal (+\/-) polarities match your load cell specifications.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect the functional ground wire to the designated grounding terminal and apply power to the system. Allow the unit to warm up for 30 minutes before executing the zero-point and span calibration through Sysmac Studio.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077909864811,"sku":"NXRS1201","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/nxrs1201-r35base2wdd.png?v=1775734056","url":"https:\/\/www.plcprotech.com\/ms\/products\/omron-nx-rs1201-nx-series-load-cell-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}