{"product_id":"aam21-yokogawa-mv-thermocouple-rtd-input-module","title":"AAM21 | Yokogawa mV Thermocouple RTD Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAM11\u003c\/strong\u003e is a \u003cstrong\u003eCurrent\/Voltage Input Module\u003c\/strong\u003e for the CENTUM CS\/VP RIO system. It accepts \u003cstrong\u003e0–10 VDC voltage\u003c\/strong\u003e and \u003cstrong\u003e0–20 mA current\u003c\/strong\u003e signals from field transmitters and sensors, converting them to digital data for the DCS. The module supports transmitter power supply (24 VDC loop power) and features high accuracy, signal isolation, and software-configurable input ranges.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e AAM11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Current\/Voltage Input Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Signal:\u003c\/strong\u003e 0–10 VDC, 0–20 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Resistance:\u003c\/strong\u003e 1 MΩ (voltage), 250 Ω (current)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAllowable Input:\u003c\/strong\u003e -10 to +30 VDC, 40 mA DC max\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmitter Power Supply:\u003c\/strong\u003e 25.0–25.5 VDC (output current limit: 60 mA max)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Voltage Output:\u003c\/strong\u003e 1–5 VDC (output resistance ≤1 Ω, load ≥10 kΩ)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Voltage ±4 mV; Current ±16 µA; Auxiliary output ±12 mV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Update Period:\u003c\/strong\u003e 50 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e ≤300 mA @ 5.0 VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Isolation:\u003c\/strong\u003e 1500 VAC\/min between input and system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +50°C (typical RIO module range)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffect of Ambient Temperature:\u003c\/strong\u003e ±4 mV \/ ±32 µA per 10°C change\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Install in I\/O Module Nest (AMN11)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e M4 screw terminals on nest\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eInstall the AAM11 in an AMN11 I\/O Module Nest.\u003c\/li\u003e\n  \u003cli\u003eConfigure input type (voltage or current) and range via CENTUM VP engineering software.\u003c\/li\u003e\n  \u003cli\u003eConnect field signals to the nest terminals using M4 screws; ensure proper polarity.\u003c\/li\u003e\n  \u003cli\u003eFor 2-wire transmitters, use the internal 24 VDC loop power supply.\u003c\/li\u003e\n  \u003cli\u003eVerify signal integrity and calibration using Yokogawa's built-in diagnostic functions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Can AAM11 power 2-wire transmitters?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it provides 24 VDC loop power with a 60 mA current limit, suitable for standard 4–20 mA transmitters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What is the difference between AAM11 and AAM10?\u003c\/strong\u003e\u003cbr\u003eA: AAM11 is the standard current\/voltage input module; AAM10 is the simplified type with fewer features and lower cost.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Is the input isolated?\u003c\/strong\u003e\u003cbr\u003eA: Yes, all input channels are isolated from the system ground with 1500 VAC\/min withstand voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Can input signals be shared with other receivers?\u003c\/strong\u003e\u003cbr\u003eA: When powered off or in fault condition, the current loop opens. To share signals, add a 250 Ω shunt resistor and use voltage mode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose AAM11 for standard analog input applications requiring 0–10 V or 0–20 mA with transmitter power supply.\u003c\/li\u003e\n  \u003cli\u003eUse AAM11B instead if BRAIN protocol communication with Yokogawa transmitters is required.\u003c\/li\u003e\n  \u003cli\u003eEnsure the I\/O Module Nest (AMN11) has sufficient slots and power capacity for the number of modules installed.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53768217526456,"sku":"AAM21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AAM21_.r180.png?v=1784095702","url":"https:\/\/www.globalpetroparts.com\/products\/aam21-yokogawa-mv-thermocouple-rtd-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}