{"product_id":"1771-ivn-allen-bradley-32-point-low-true-dc-input","title":"1771-IVN Allen Bradley 32-Point Low-True DC Input","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1771-IVN is a 32-point low-true digital input module for the PLC-5 platform. It accepts 10-30 V DC sinking inputs in four groups of eight, designed for applications requiring low-true logic compatibility with sourcing field devices.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput points:\u003c\/strong\u003e 32 (4 groups of 8)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage category:\u003c\/strong\u003e 10-30 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic:\u003c\/strong\u003e Low true (sinking)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane current:\u003c\/strong\u003e 700 mA @ 5 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring arm:\u003c\/strong\u003e 1771-WN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddressing:\u003c\/strong\u003e Supports 1\/2, 1, and 2-slot addressing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density 32-point design reduces rack space per input point\u003c\/li\u003e\n\u003cli\u003eGroup isolation limits fault propagation between input groups\u003c\/li\u003e\n\u003cli\u003eLow-true logic suits sinking-input applications\u003c\/li\u003e\n\u003cli\u003eDirect backplane interface with the PLC-5 processor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does low-true mean?\u003c\/strong\u003e The inputs register as ON when the corresponding input image bit is cleared (0), opposite of standard high-true modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich wiring arm is required?\u003c\/strong\u003e The 1771-WN 40-terminal wiring arm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it compatible with PLC-2 or PLC-3?\u003c\/strong\u003e The 1771-IVN is designed for PLC-5 systems using 1771 I\/O chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the 1771 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003eInsert the module into any slot except the leftmost (adapter\/processor) slot.\u003c\/li\u003e\n\u003cli\u003eAttach the 1771-WN wiring arm and connect field wiring.\u003c\/li\u003e\n\u003cli\u003eSet the chassis addressing mode (1\/2, 1, or 2-slot) per system design.\u003c\/li\u003e\n\u003cli\u003eApply power and verify input status LEDs respond to field device states.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect the 1771-IVN for low-true sinking inputs; use 1771-IBN for high-true applications.\u003c\/li\u003e\n\u003cli\u003eConfirm field device voltage stays within 10-30 V DC.\u003c\/li\u003e\n\u003cli\u003eVerify chassis power budget: 700 mA @ 5 V DC per module.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52985701990711,"sku":"1771-IVN","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/1771-IVN_2_f225e283-d296-4122-b112-0e14207de8d9.jpg?v=1789375153","url":"https:\/\/www.controltech-supply.com\/products\/1771-ivn-allen-bradley-32-point-low-true-dc-input","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}