{"product_id":"schneider-electric-tm2amm3ht-i-o-analog-module-modicon-m238","title":"Schneider Electric TM2AMM3HT I\/O Analog Module Modicon M238","description":"\u003cp\u003eConfigured for analogue signal processing in Modicon M238 logic controller platforms, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSchneider Electric TM2AMM3HT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003eTM2AMM3HT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInput\/output analog module) provides direct physical\/electrical execution for mixed-mode signal acquisition and output generation.\u003c\/p\u003e\n\u003ch3\u003eModule Configuration and Signal Mapping\u003c\/h3\u003e\n\u003cp\u003eThe TM2AMM3HT is an integrated expansion module facilitating 2 high-level analogue inputs and 1 analogue output. It supports both 0-10 V and 4-20 mA non-differential signal formats with 12-bit resolution. The design utilizes an external 24 VDC supply to ensure signal stability, with internal isolation maintained via photocouplers between the I\/O channels and the internal control logic.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTM2AMM3HT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSchneider Electric\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRefer to product labeling\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.085 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.5 cm x 10.5 cm x 12.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRefer to control system environment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 mA (24 VDC external) \/ 50 mA (5 VDC internal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 bits (Input and Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConversion Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 ms + 1 controller cycle time\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSchneider Electric Deterministic Control Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe M238 platform architecture relies on strictly managed backplane bus communication velocity to maintain I\/O scan determinism. The TM2AMM3HT supports precise I\/O density scaling, allowing the expansion of control capabilities while maintaining synchronization with the controller cycle. Firmware flash compatibility is governed by the host controller's I\/O scanning parameters, ensuring that the 20 ms stabilization time is strictly observed within the application logic to prevent signal jitter during process transitions.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x TM2AMM3HT Analogue I\/O module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Removable screw terminal block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: Field wiring requires shielded cabling to meet electromagnetic compatibility standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Wiring Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMounting: Snap the module onto the 35 mm DIN-rail. Ensure the locking latch is fully engaged to maintain mechanical stability and ground contact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWiring: Terminate signal lines to the removable terminal block. Maintain a strict separation between power and signal lines to prevent induced noise. Use shielded cables, with the shield grounded at the cabinet entry point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInsulation: Observe the 500 V dielectric strength rating between the I\/O channels and the internal logic\/external supply circuits to maintain system safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTermination: Ensure the resistive load for voltage outputs is at least 2000 Ohm and current outputs do not exceed 300 Ohm to remain within operational specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Is the TM2AMM3HT hot-swappable?\u003c\/p\u003e\n\u003cp\u003eA: No, the module does not support hot-swapping. Always disconnect power to the controller and expansion rack before installation or removal to prevent electrical damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What are the input impedance characteristics?\u003c\/p\u003e\n\u003cp\u003eA: The module features an input impedance of \u0026gt;= 10 Ohm for current signals and \u0026gt;= 1 MOhm for voltage signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How is the module supplied?\u003c\/p\u003e\n\u003cp\u003eA: The module requires an external 24 VDC supply, with an allowable voltage range of 19.2 VDC to 30 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the output ripple specification?\u003c\/p\u003e\n\u003cp\u003eA: The analogue output ripple is specified to be \u0026lt;= 1 LSB under standard operational conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How does the module handle signal cross-talk?\u003c\/p\u003e\n\u003cp\u003eA: The module design limits cross-talk to \u0026lt;= 2 LSB between analogue channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can I use non-shielded cables?\u003c\/p\u003e\n\u003cp\u003eA: Shielded cable is required for all analogue connections to meet electromagnetic susceptibility requirements and ensure signal integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the acquisition period per channel?\u003c\/p\u003e\n\u003cp\u003eA: The acquisition period is 60 ms per channel, plus the host controller cycle time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What happens if the input signal exceeds the specified overload limit?\u003c\/p\u003e\n\u003cp\u003eA: Permissible continuous overload is 40 mA for current inputs and 13 V for voltage inputs; exceeding these limits may cause permanent damage to the input stage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":46474679222445,"sku":"TM2AMM3HT","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/tm2amm3ht_1_fa46bb87-2299-4221-b7c9-9b004c0d9273.jpg?v=1782808578","url":"https:\/\/www.maxwellplc.com\/ga\/products\/schneider-electric-tm2amm3ht-i-o-analog-module-modicon-m238","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}