{"product_id":"1791-32a0-allen-bradley-32-input-120vac-block-i-o-module","title":"1791-32A0 Allen-Bradley 32 Input 120VAC Block I\/O Module","description":"\u003ch2\u003e\u003cstrong\u003e1791-32A0 Allen-Bradley 32-Point 120VAC Block I\/O Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInput Configuration: The module features \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ethirty-two (32) 120VAC input channels\u003c\/strong\u003e\u003c\/span\u003e, arranged into four isolated groups of eight channels each.\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: It operates with an \u003cstrong\u003eon-state voltage range of 79-132VAC at 47-63 Hz\u003c\/strong\u003e. The nominal input current requirement is 11.0 mA per channel.\u003c\/li\u003e\n\u003cli\u003ePrecise Specifications: Each channel exhibits an \u003cstrong\u003eon-state current of 12.3mA max at 132V\u003c\/strong\u003e and an off-state voltage of 35V max, ensuring accurate signal detection.\u003c\/li\u003e\n\u003cli\u003ePerformance Metrics: The input impedance measures 15KΩ at 60 Hz. Signal delays are typically 1.0 ms for off-to-on transitions and a maximum of 26 ms for on-to-off transitions.\u003c\/li\u003e\n\u003cli\u003eCommunication \u0026amp; Isolation: A single RIO port facilitates network connectivity. It provides robust \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eisolation of 1250VAC for group-to-group and group-to-logic\u003c\/strong\u003e\u003c\/span\u003e, plus 500VAC for power supply to RIO.\u003c\/li\u003e\n\u003cli\u003ePower Requirements: The module requires an external supply of 85-132VAC at 47-63 Hz, drawing 150 mA of current.\u003c\/li\u003e\n\u003cli\u003eThermal Management: It dissipates a maximum of \u003cstrong\u003e13.62 Watts (46.44 BTU\/hr)\u003c\/strong\u003e, necessitating adequate airflow within the control cabinet.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Tolerances: Its operating temperature range spans 0 to 60 degrees Celsius. Storage tolerance extends from -40 to 85 degrees Celsius with 5-95% non-condensing humidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ: What programmable controllers is the \u003cstrong\u003e1791-32A0\u003c\/strong\u003e compatible with? \u003cbr\u003eA: This module works with PLC-2, PLC-3, PLC-5 family, and SLC 5\/02 controllers that support the RIO protocol.\u003c\/li\u003e\n\u003cli\u003eQ: How do I interpret the off-state and on-state current specifications? \u003cbr\u003eA: The off-state current is a minimum of 2.3mA at 60 Hz. The on-state current requires a minimum of 5mA at 79V and maxes at 12.3mA at 132V, 60 Hz.\u003c\/li\u003e\n\u003cli\u003eQ: What is the purpose of the group isolation on the \u003cstrong\u003e1791-32A0\u003c\/strong\u003e? \u003cbr\u003eA: Group isolation (1250VAC) separates the four input groups electrically. This protects the logic and other groups from voltage transients on one group.\u003c\/li\u003e\n\u003cli\u003eQ: Can I use this module in a high-vibration environment? \u003cbr\u003eA: Yes, its design supports panel or DIN rail mounting, making it suitable for typical industrial vibration levels when properly secured.\u003c\/li\u003e\n\u003cli\u003eQ: Does the module support half-cycle dropout for input signals? \u003cbr\u003eA: Yes, the maximum 26 ms on-to-off delay allows the module to accommodate a half-cycle dropout without losing the signal state.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information\u003c\/strong\u003e\u003cbr\u003eInquiries: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003eWhatsApp: \u003ca rel=\"noopener\" href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner\u003c\/strong\u003e\u003cbr\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003eNexAuto Technology Limited\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45836501713057,"sku":"1791-32A0","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1791-32A0.jpg?v=1780645403","url":"https:\/\/www.autonexcontrol.com\/products\/1791-32a0-allen-bradley-32-input-120vac-block-i-o-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}