{"product_id":"allen-bradley-1746-nio4v-slc500-analog-combination-module","title":"Allen-Bradley 1746-NIO4V | SLC500 Analog Combination Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-NIO4V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eby Allen-Bradley is an SLC500 analog combination module designed for high-precision industrial applications. It provides two differential voltage or current inputs and two current outputs for flexible system integration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInput Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach input channel supports user-selectable voltage (-10 to +10V DC) or current (-20 to +20 mA) signals. Current inputs feature a 250Ω impedance and 1.22070 µA per LSB resolution. Voltage inputs provide 1 MΩ impedance and 305.176 µV per LSB resolution, ensuring precise measurements. The module tolerates overvoltage conditions up to 220V AC or DC.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOutput Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-NIO4V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehas two non-isolated voltage outputs with a range of -10 to +10V. Voltage outputs use a 14-bit R-2R DAC with 2.5-millisecond step response time. Each output supports loads above 1 kΩ with up to 1 µF reactance, providing ±0.384% full-scale accuracy and minimal drift.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance \u0026amp; Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eInputs offer ±0.642% current accuracy and ±0.504% voltage accuracy with drift rates below 79 ppm\/°C. Output gain error remains below ±0.374%, and offset error does not exceed ±11 LSB. The module achieves 16-bit input and 14-bit output resolution, with a 512-microsecond update time and 10 Hz bandwidth.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical \u0026amp; Mounting Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module mounts on a 1746 SLC500 chassis. Backplane current consumption is 0.55 mA at 5.1V and 115 mA at 24V. Field wiring isolation reaches 500V DC. Shielded Belden #8761 cable (14 AWG) is recommended for reliable signal transmission.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1746-NIO4V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintegrates with PLCs, sensors, and control systems requiring precise analog monitoring and output. It suits industrial automation environments demanding high accuracy and minimal signal drift.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50671009038632,"sku":"1746-NI04V","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1746-NT81_c30877c0-49de-47fa-87bc-eea4ff5870a8.jpg?v=1758021089","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1746-nio4v-slc500-analog-combination-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}