{"product_id":"ic694alg221-ge-fanuc-pacsystems-rx3i-4-channel-analog-input-module","title":"IC694ALG221 GE Fanuc PACSystems RX3i 4-Channel Analog Input Module","description":"\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eIC694ALG221 Emerson PACSystems RX3i Analog Input Module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e is a high-accuracy 4-channel analog input module engineered for the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eEmerson\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eGE Fanuc\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePACSystems RX3i\u003c\/span\u003e\u003c\/strong\u003e controller platform.\u003c\/p\u003e\n\u003cp\u003eThis module converts process signals into 12-bit digital values for real-time closed-loop automation tasks.\u003c\/p\u003e\n\u003cp\u003eIt accepts standard process loop currents including 0-20 mA and 4-20 mA configurations.\u003c\/p\u003e\n\u003cp\u003eSystem integrators rely on its fast 2 ms update rate for time-critical industrial monitoring applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eTechnical Parameter Breakdown\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e1. General Architecture \u0026amp; System Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eEmerson\u003c\/span\u003e\u003c\/strong\u003e \/ \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eGE Fanuc\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/ge-rx3i-rx7i-pacsystem\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePACSystems RX3i\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e Analog Current Input Module\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 4 single-ended channels\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Removable 20-screw Terminal Block (Included)\u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e2. Input Signal \u0026amp; Conversion Characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eInput Ranges:\u003c\/strong\u003e 0 to 20 mA, 4 to 20 mA (Jumper Configurable)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 12-bit (4 µA\/bit at 4-20 mA; 5 µA\/bit at 0-20 mA)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbsolute Accuracy:\u003c\/strong\u003e ±0.1% full scale + 0.1% reading\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLinearity:\u003c\/strong\u003e Less than 1 LSB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Update Rate:\u003c\/strong\u003e 2 ms (0.5 ms per channel scan speed)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 250 ohms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Filter Cutoff:\u003c\/strong\u003e 325 Hz\u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3. Electrical \u0026amp; Isolation Parameters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e 25 mA @ 5 VDC; 100 mA @ 24 VDC (Isolated)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Mode Voltage:\u003c\/strong\u003e 200 VAC peak\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Rating:\u003c\/strong\u003e 250 VAC continuous \/ 1500 VAC for 1 minute (field-to-backplane)\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eCompatible Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e interface connects directly with all \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePACSystems RX3i\u003c\/span\u003e\u003c\/strong\u003e CPUs.\u003c\/p\u003e\n\u003cp\u003eIt processes input signals from pressure transmitters, flow meters, and temperature signal conditioners.\u003c\/p\u003e\n\u003cp\u003eTypical applications include continuous level monitoring in chemical storage tanks.\u003c\/p\u003e\n\u003cp\u003eIt provides analog feed feedback for PID control loops in water treatment systems.\u003c\/p\u003e\n\u003cp\u003eIt monitors loop currents in oil and gas valve positioner feedback assemblies.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eInstallation Guidelines \u0026amp; Diagnostic Capabilities\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eMount the module into any standard slot of an active \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003ePACSystems RX3i\u003c\/span\u003e\u003c\/strong\u003e backplane.\u003c\/p\u003e\n\u003cp\u003eHardware jumpers configure channels 1-2 and channels 3-4 for current selection.\u003c\/p\u003e\n\u003cp\u003eA green \"MODULE OK\" LED displays module power state and internal micro-controller readiness.\u003c\/p\u003e\n\u003cp\u003eThe module detects missing backplane power or improper seating during power-up routines.\u003c\/p\u003e\n\u003cp\u003eWarning: This unit does not support hot-swapping; power down the rack before insertion or removal to prevent physical damage.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eCommercial Logistics \u0026amp; Warranty Policy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eWarranty Terms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e12-Month Replacement Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eDispatch Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e24 to 48 Hours Express Handling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eShipping Couriers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFedEx, UPS, DHL Express Shipping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e1x \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e Module, 20-Pin Terminal Block, Protective ESD Shielding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eIn municipal water facilities, signal noise often distorts sensitive instrument lines.\u003c\/p\u003e\n\u003cp\u003eOur field engineers regularly deploy the \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e to stabilize noisy flow meter loops.\u003c\/p\u003e\n\u003cp\u003eThe internal 325 Hz hardware filter rejects high-frequency noise generated by nearby variable frequency drives.\u003c\/p\u003e\n\u003cp\u003eDuring one retrofit, a customer reported erratic current readings across long field cable runs.\u003c\/p\u003e\n\u003cp\u003eReplacing an unisolated card with the \u003cstrong\u003e\u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e\u003c\/strong\u003e eliminated ground loops due to its 250 VAC optical isolation.\u003c\/p\u003e\n\u003cp\u003eAlways double-check jumper placements before wiring active 4-20 mA loops to avoid blown sense resistors.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eSelection \u0026amp; Purchasing Guidance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eSelect this module when your control scheme requires 4 or fewer analog current inputs.\u003c\/p\u003e\n\u003cp\u003eVerify that your field devices provide 0-20 mA or 4-20 mA current outputs.\u003c\/p\u003e\n\u003cp\u003eIf your instrumentation requires voltage signals (0-10 V), choose a dedicated voltage card instead.\u003c\/p\u003e\n\u003cp\u003eEnsure your power supply budget accounts for the required 100 mA current draw at 24 VDC.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I safely insert or extract the \u003cspan style=\"color: #d9534f;\"\u003eIC694ALG221\u003c\/span\u003e while the rack power is active?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: No, hot-swapping is strictly unsupported for this specific module. Removing or inserting this unit while power is applied can damage hardware components or injure personnel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: How are the input ranges configured on this 4-channel module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Ranges are set using physical hardware jumpers. One jumper configures channels 1 and 2, while a second jumper sets channels 3 and 4 for 0-20 mA or 4-20 mA operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: What should I check if the \"Module OK\" LED fails to illuminate green?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Confirm that the module is firmly seated into the backplane slot and verify that the 24 VDC isolated supply and 5 VDC backplane supply voltages are within specified tolerances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Field Experience: Why am I reading 0 mA on my software channel despite having an active field sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Check range jumper settings and field terminal polarities. Incorrect jumper placement or reversed field loop wiring will block signal processing and report 0 mA counts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Field Experience: Can I connect voltage sources directly to this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: No, this card is designed strictly for current inputs. Connecting raw voltage sources without external conversion resistors can burn out the internal 250-ohm input resistors.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":45014003286198,"sku":"IC694ALG221","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IC694ALG221-3.jpg?v=1788847349","url":"https:\/\/www.plcsparehub.com\/products\/ic694alg221-ge-fanuc-pacsystems-rx3i-4-channel-analog-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}