{"product_id":"900b01-0301-honeywell-isolated-current-output-module","title":"900B01-0301 Honeywell Isolated Current Output Module","description":"\u003ch2\u003e\u003cstrong\u003eHoneywell 900B01-0301 Analog Output Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #d35400;\"\u003e900B01-0301\u003c\/strong\u003e is a reliable 4-channel Analog Output module for the \u003cstrong\u003eHoneywell HC900\u003c\/strong\u003e controller. It provides isolated current outputs for precise control of actuators, valves, and other field devices.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong style=\"color: #d35400;\"\u003e900B01-0301\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Analog Output (AO) Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs per Module:\u003c\/strong\u003e 4 Channels (Individually Isolated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Current Sink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Range:\u003c\/strong\u003e 0 to 21.8 mA (User-scalable per channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD\/A Resolution:\u003c\/strong\u003e 12 Bits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Resistance:\u003c\/strong\u003e 750 Ohms Maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation (Channel-to-Channel):\u003c\/strong\u003e 500 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation (to Logic):\u003c\/strong\u003e 600 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy (Reference Conditions):\u003c\/strong\u003e 0.1% of Full Scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Current Sensing:\u003c\/strong\u003e \u0026gt; 3.5 mA per output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdate Rate (IOM Scan):\u003c\/strong\u003e Minimum 500 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModules per Rack:\u003c\/strong\u003e 10 Maximum (Up to 12 with Ambient Temperature Derating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe Modes:\u003c\/strong\u003e Hold Last Value, User-Defined Failsafe Value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlew Rate Control:\u003c\/strong\u003e User-configurable maximum rate of change (mA per execution cycle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Verification:\u003c\/strong\u003e Feedback to controller confirms actual output current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Data Storage:\u003c\/strong\u003e Non-Volatile Memory with Redundant Factory Calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Monitors Factory Calibration, Configuration, and +24 VDC Power Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indicator:\u003c\/strong\u003e Green Blinking LED (Active Scan), Red LED (Fault\/Diagnostic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +60°C (Standard HC900 Range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24V DC from Backplane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eModule Features \u0026amp; Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour fully isolated output channels prevent interference between connected field devices.\u003c\/li\u003e\n\u003cli\u003eWide output range (0-21.8mA) supports standard 0-20mA and 4-20mA signaling with overhead.\u003c\/li\u003e\n\u003cli\u003eConfigurable failsafe operation ensures predictable system behavior during communication loss.\u003c\/li\u003e\n\u003cli\u003eIntegrated output current verification provides closed-loop confirmation of commanded output.\u003c\/li\u003e\n\u003cli\u003eSlew rate control allows limitation of output change speed to protect sensitive actuators.\u003c\/li\u003e\n\u003cli\u003eRedundant factory calibration stored in non-volatile memory ensures long-term accuracy and reliability.\u003c\/li\u003e\n\u003cli\u003eDiagnostics continuously monitor module health, flagging calibration or power supply issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Configuration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall in a compatible Honeywell HC900 rack (e.g., 900R04-0300).\u003c\/li\u003e\n\u003cli\u003eDo not exceed the maximum load resistance of 750 ohms per channel to ensure proper current output.\u003c\/li\u003e\n\u003cli\u003eUse appropriate cable gauges for the required loop current and distance.\u003c\/li\u003e\n\u003cli\u003eConfigure each channel's output range (e.g., 4-20mA) and failsafe value via HC900 software.\u003c\/li\u003e\n\u003cli\u003eSet the slew rate parameter to match the response time of the connected final control element.\u003c\/li\u003e\n\u003cli\u003eVerify output current with a calibrated milliammeter during commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControlling control valve positioners (4-20mA).\u003c\/li\u003e\n\u003cli\u003eDriving variable frequency drive (VFD) speed references.\u003c\/li\u003e\n\u003cli\u003eProviding setpoints to secondary controllers or recorders.\u003c\/li\u003e\n\u003cli\u003eOperating I\/P (current-to-pressure) transducers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor integration support or to order the \u003cstrong\u003eHoneywell 900B01-0301\u003c\/strong\u003e, contact our engineering sales team.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact:\u003c\/strong\u003e Email \u003ca href=\"mailto:sales@nex-auto.com\"\u003e\u003cstrong\u003esales@nex-auto.com\u003c\/strong\u003e\u003c\/a\u003e or WhatsApp \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e\u003cstrong\u003e+86 153 9242 9628\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003e\u003cstrong\u003eNexAuto Technology Limited\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e© 2026 \u003ca href=\"https:\/\/www.autonexcontrol.com\/\"\u003e\u003cstrong\u003eAutoNex Controls Limited\u003c\/strong\u003e\u003c\/a\u003e. All rights reserved.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45621538062497,"sku":"900B01-0301","price":321.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/900B01-0301.jpg?v=1767596388","url":"https:\/\/www.autonexcontrol.com\/cs\/products\/900b01-0301-honeywell-isolated-current-output-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}