{"product_id":"ge-fanuc-ic693alg221-4-channel-4-20ma-0-20ma-analog-current-input-module","title":"GE Fanuc IC693ALG221 4-Channel 4-20mA \/ 0-20mA Analog Current Input Module","description":"\u003ch2\u003e\u003cstrong\u003eModule Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIC693ALG221\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision analog input module engineered for the GE Fanuc (Emerson) Series 90-30 PLC platform. This module provides four independent channels designed to interface with industrial current-loop sensors. It is a critical component for monitoring continuous process variables such as pressure, temperature, and flow rate. By converting 0 to 20 mA or 4 to 20 mA analog signals into digital data for the PLC CPU, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIC693ALG221\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures high-accuracy data acquisition with a fast 2 ms update rate across all active channels.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Engineering Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIC693ALG221\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a sophisticated input filter and high-voltage isolation to protect the PLC backplane from field-side electrical noise and surges.\u003c\/p\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\u003eTechnical Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 (Single-ended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Input Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA and 0 to 20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUpdate Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 ms (All 4 channels processed per scan)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution (4-20 mA)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 µA (per bit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution (0-20 mA)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 µA (per bit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1% of full scale @ 25°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 Ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500 Volts RMS (Field side to Logic side)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Filter Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e325 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Power Draw (5V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 mA (from +5V DC Backplane bus)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Power Draw (24V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 mA (from Isolated +24V DC rail)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.81 lbs (0.37 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation and Calibration Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIC693ALG221\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a software-configurable module, meaning the choice between 0-20 mA and 4-20 mA ranges is determined in the PLC configuration software (Proficy Machine Edition) rather than through physical jumpers. For 4-20 mA signals, the module reports a value of 0 to 32,000 counts to the CPU. If the signal drops below 4 mA, the module can trigger \"Under Range\" alarms in the PLC logic, which is essential for detecting broken wire conditions in safety-critical loops.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProcess Instrumentation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInterfacing with 2-wire or 4-wire transmitters for level, flow, and pressure monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring air quality or humidity sensors in HVAC and cleanroom environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy System Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReplacing aging analog cards in Series 90-30 racks to maintain system uptime without a full controller upgrade.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the IC693ALG221 provide loop power for 2-wire sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module acts as a passive receiver with a 250 Ohm input impedance. External loop power (typically 24VDC) must be provided in series with the transmitter and the module's input terminals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle 0-20 mA signals differently than 4-20 mA?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn 0-20 mA mode, the resolution is 5 µA per bit. In 4-20 mA mode, the resolution improves to 4 µA per bit. The scaling in the CPU remains consistent (0 to 32,000) for the selected range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it possible to mix different current ranges on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Since each of the four channels is configured independently in the software, you can have a mix of 0-20 mA and 4-20 mA sensors connected to the same\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIC693ALG221\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":53075148832952,"sku":"IC693ALG221","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IC693ALG2212.jpg?v=1773973761","url":"https:\/\/www.globalpetroparts.com\/products\/ge-fanuc-ic693alg221-4-channel-4-20ma-0-20ma-analog-current-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}