{"product_id":"honeywell-900a01-0202-hc900-analog-input-module","title":"Honeywell 900A01-0202 HC900 Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eProcessing multi-channel analog signals is simplified using the \u003cstrong\u003eHoneywell 900A01-0202\u003c\/strong\u003e, a high-performance, \u003cstrong\u003e8-channel isolated analog input module\u003c\/strong\u003e designed for the HC900 process controller platform. This module allows direct connection to a wide range of industrial sensors, featuring universal channel configuration to minimize hardware footprint and simplify system design. Each of the eight channels can be individually programmed to accept different signal types, including thermocouples, RTDs, voltage, current, resistance, and slidewires, providing high application flexibility in demanding process environments.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900A01-0202\u003c\/strong\u003e features robust galvanic isolation to prevent ground loop currents from degrading signal integrity. With channel-to-channel and channel-to-logic isolation, the module maintains stable operation and high measurement accuracy even in electrically noisy industrial settings. Integrated diagnostics, such as thermocouple break detection via current pulse, ensure rapid troubleshooting and reduced system downtime.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEight independent, galvanically isolated analog input channels.\u003c\/li\u003e\n  \u003cli\u003eUniversal input support including mV, V, mA, RTD, Thermocouple, Ohms, and Slidewire.\u003c\/li\u003e\n  \u003cli\u003eRobust isolation: 400 VDC point-to-point and 1000 VDC input-to-logic.\u003c\/li\u003e\n  \u003cli\u003eHigh-efficiency noise rejection with \u0026gt;130dB common mode rejection at 120VAC.\u003c\/li\u003e\n  \u003cli\u003eActive sensor diagnostics with automatic thermocouple break detection.\u003c\/li\u003e\n  \u003cli\u003eRTD inputs isolated in pairs for optimal signal processing and cabling efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal processing and industrial furnace monitoring.\u003c\/li\u003e\n  \u003cli\u003eOil and gas refining and pipeline monitoring.\u003c\/li\u003e\n  \u003cli\u003eChemical processing and reactor temperature tracking.\u003c\/li\u003e\n  \u003cli\u003ePower generation plant parameter monitoring.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater treatment facility automation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eManufacturer\u003c\/th\u003e\n      \u003ctd\u003eHoneywell\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart Number \/ Model\u003c\/th\u003e\n      \u003ctd\u003e900A01-0202\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSeries\u003c\/th\u003e\n      \u003ctd\u003eHC900 Control System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModule Type\u003c\/th\u003e\n      \u003ctd\u003eAnalog Input Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNumber of Channels\u003c\/th\u003e\n      \u003ctd\u003e8 (isolated)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInput Configurations\u003c\/th\u003e\n      \u003ctd\u003emV, V, T\/C, RTD, Ohms, mA, Slidewire (configurable per channel)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInput Impedance (T\/C and mV)\u003c\/th\u003e\n      \u003ctd\u003e10 megohms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInput Impedance (Volts)\u003c\/th\u003e\n      \u003ctd\u003e\u0026gt;1 megohm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInput Impedance (mA)\u003c\/th\u003e\n      \u003ctd\u003e250 ohms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eGalvanic Isolation (Point-to-Point)\u003c\/th\u003e\n      \u003ctd\u003e400 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eGalvanic Isolation (To Logic)\u003c\/th\u003e\n      \u003ctd\u003e1000 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSeries Mode Noise Rejection\u003c\/th\u003e\n      \u003ctd\u003e\u0026gt;60dB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eCommon Mode Noise Rejection\u003c\/th\u003e\n      \u003ctd\u003e\u0026gt;130dB at 120VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eOver-Range Limit (Linear\/Volts)\u003c\/th\u003e\n      \u003ctd\u003e+\/- 10%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eOver-Range Limit (Non-Linear\/TC, RTD)\u003c\/th\u003e\n      \u003ctd\u003e+\/- 1%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSensor Break Detection\u003c\/th\u003e\n      \u003ctd\u003eThermocouple break detection via current pulse\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eShipping Weight\u003c\/th\u003e\n      \u003ctd\u003e2 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eConnection Type\u003c\/th\u003e\n      \u003cth\u003eSpecification \/ Layout\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRTD Wiring configuration\u003c\/td\u003e\n      \u003ctd\u003eIsolated in pairs (IRTD is common to two inputs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermocouple Inputs\u003c\/td\u003e\n      \u003ctd\u003eCold junction compensation; maximum 100 Ohms\/Leg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRTD Compatibility\u003c\/td\u003e\n      \u003ctd\u003ePT100 3-wire (40 ohms balanced max), 100\/500\/1000 RTD (100 Ohms\/Leg), 10 Ohm Cu (10 Ohms\/Leg)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSlidewire Range\u003c\/td\u003e\n      \u003ctd\u003e100 to 6,500 Ohms (10% of total resistance\/leg)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the module is securely seated in the HC900 rack chassis slot and the module retaining screws are fully tightened.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Route low-voltage analog input signal cables away from high-voltage AC power distribution wiring to prevent electromagnetic coupling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Use shielded twisted-pair cabling for all sensor connections. Connect shields to the chassis ground bar at the controller end only.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Maintain recommended clearance spaces around the rack assembly to ensure natural convection cooling matches environmental specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52705329250667,"sku":"900A01-0202","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/900a01-0202-qfjbeotkv4d_1dfe3b33-a93f-44c3-a89a-7bd215d92975.jpg?v=1766640550","url":"https:\/\/www.plcprotech.com\/fa\/products\/honeywell-900a01-0202-hc900-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}