{"product_id":"tm2ami2ht-schneider-modicon-m238-analog-input-module-2-channel-12-bit","title":"TM2AMI2HT Schneider Modicon M238 Analog Input Module 2-Channel 12-Bit","description":"\u003ch3\u003eEngineering Precision: The \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e serves as a vital expansion component for the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eModicon M238\u003c\/span\u003e\u003c\/strong\u003e logic controller architecture. This high-level analog module processes two distinct signals, providing high-fidelity conversion for industrial sensing applications. Engineered for reliability, it bridges the gap between field sensors and digital controllers with a 12-bit resolution, ensuring your control loops remain stable and responsive.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\/Series:\u003c\/strong\u003e Schneider Electric \/ \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eModicon M238\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent ID:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Inputs:\u003c\/strong\u003e 2 Channels (Non-differential)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Types:\u003c\/strong\u003e Voltage (0–10V) \/ Current (4–20mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 12-bit (2.5 mV \/ 4.8 µA LSB sensitivity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Accuracy:\u003c\/strong\u003e ±0.2% FS at 25 °C; ±1% FS Total Error\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e ≥1 MΩ (Voltage) \/ 10 Ω (Current)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Time:\u003c\/strong\u003e 10 ms per channel + controller cycle time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Photocoupler between I\/O and logic (500V dielectric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e 24V DC External (20.4–28.8V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 23.5mm compact profile for high-density rail mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDeployment and Diagnostics Capability\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e is built for mission-critical industrial diagnostics. Its internal filtering and high common-mode rejection ensure data integrity in noisy environments. Users can leverage the controller's scan cycle to monitor bit status, quickly identifying open-circuit conditions (current mode) or over-range voltage spikes. The module's compact design simplifies panel layout, while the removable screw terminal block facilitates rapid wiring and field maintenance.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eFrom our engineering perspective, the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e is a workhorse for legacy and active \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eModicon M238\u003c\/span\u003e\u003c\/strong\u003e deployments. It is perfectly suited for process monitoring, such as pressure transducer feedback, flow rate control, and temperature monitoring. Its ability to toggle between current and voltage inputs makes it a versatile spare for maintenance teams managing varied field instrumentation.\u003c\/p\u003e\n\u003ch3\u003eService, Delivery, and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Logistics:\u003c\/strong\u003e We ensure rapid fulfillment via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipment Window:\u003c\/strong\u003e All orders dispatched within 24–48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Every \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM2AMI2HT\u003c\/span\u003e\u003c\/strong\u003e is backed by a 12-month performance warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpert Selection and FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recommended cabling practice to prevent noise?\u003c\/strong\u003e\u003cbr\u003eAlways utilize high-quality shielded cabling and ground the shield at a single point to minimize electromagnetic interference (EMI) on the 12-bit signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is my reading fluctuating significantly?\u003c\/strong\u003e\u003cbr\u003eCheck your common ground reference; while the input is non-differential, fluctuations often stem from potential differences between the sensor power and the PLC supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix a voltage signal on channel one and current on channel two?\u003c\/strong\u003e\u003cbr\u003eYes, the module architecture allows for independent configuration of input types per channel, providing flexibility in mixed-sensor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle a 4-20mA sensor burnout?\u003c\/strong\u003e\u003cbr\u003eThe system will detect a value falling below the lower bound; verify your PLC ladder logic to trigger a \"sensor fault\" alarm when the input falls below 4mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary benefit of the 10ms sampling rate?\u003c\/strong\u003e\u003cbr\u003eThis rate ensures high-speed capture for process variables, effectively reducing the \"aliasing\" effect in fast-paced batch processing applications.\u003c\/p\u003e\n\u003ch3\u003eIntegration Guide for Engineers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify Supply Voltage:\u003c\/strong\u003e Ensure your external 24V DC source is stable between 20.4V and 28.8V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring:\u003c\/strong\u003e Confirm wire gauges are suitable for the screw terminals to prevent intermittent connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Periodically perform a zero-scale and full-scale calibration check to maintain the ±0.2% FS accuracy over time.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":45167250112694,"sku":"TM2AMI2HT","price":113.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/TM2AMI2HT_d7cbd510-9fcc-4c20-95f8-7e5086b8dbf9.jpg?v=1780459560","url":"https:\/\/www.plcsparehub.com\/products\/tm2ami2ht-schneider-modicon-m238-analog-input-module-2-channel-12-bit","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}