{"product_id":"allen-bradley-1762-iq8-micrologix-1200-discrete-input-module","title":"Allen-Bradley 1762-IQ8 MicroLogix 1200 Discrete Input Module","description":"\u003ch2\u003eAllen-Bradley 1762-IQ8 MicroLogix 1200 Discrete Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1762-IQ8\u003c\/strong\u003e serves as the primary \u003cstrong\u003e1762-IQ8\u003c\/strong\u003e Discrete Input Module utilized to execute 24 VDC digital signal acquisition across MicroLogix 1200 controller platforms. The module provides eight input channels with sink and source wiring capability for direct field device signal monitoring.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1762-IQ8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.7 W heat dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eMicroLogix 1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Configuration\u003c\/td\u003e\n\u003ctd\u003eSink and source inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Groups\u003c\/td\u003e\n\u003ctd\u003e1 isolated group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage at 55 deg C\u003c\/td\u003e\n\u003ctd\u003e10 to 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-State Current\u003c\/td\u003e\n\u003ctd\u003e2.0 mA minimum at 10 VDC; 8.0 mA nominal at 24 VDC; 12.0 mA maximum at 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-State Current\u003c\/td\u003e\n\u003ctd\u003e1.5 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay\u003c\/td\u003e\n\u003ctd\u003e8 ms ON transition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1200 V AC for 1 sec or 1697 V DC for 1 sec dielectric test; 75 V DC working voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Class\u003c\/td\u003e\n\u003ctd\u003eIEC Class 2 reinforced insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eMicroLogix expansion I\/O mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Bus and I\/O Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1762-IQ8 operates as a MicroLogix 1200 expansion I\/O module, transferring discrete field input states through the controller expansion interface. The module supports I\/O density scaling by adding eight digital input points within a compact PLC expansion configuration.\u003c\/p\u003e\n\u003cp\u003eThe module uses industrial control bus communication between the expansion module and controller processor, allowing firmware-compatible MicroLogix systems to process digital input states within the PLC application program.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input wiring configurations are supported by the 1762-IQ8?\u003cbr\u003eA: The module supports both sink and source wiring configurations for its eight discrete input channels.\u003c\/p\u003e\n\u003cp\u003eQ: What backplane current does the module require from the controller system?\u003cbr\u003eA: The module requires 50 mA from the 5.1 VDC backplane supply and 0 mA from the 24 VDC backplane supply.\u003c\/p\u003e\n\u003cp\u003eQ: What isolation capability is specified for the input group?\u003cbr\u003eA: The input group isolation is verified through dielectric testing of 1200 V AC for 1 sec or 1697 V DC for 1 sec, with a 75 V DC working voltage rating.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1762-IQ8 module on the MicroLogix expansion bus according to the controller hardware installation sequence. Verify that the module connector is fully seated before applying power.\u003c\/p\u003e\n\u003cp\u003eUse appropriate industrial control wiring practices for 24 VDC digital input circuits. Separate low-voltage signal wiring from high-current conductors and switching loads to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eFor shielded cables, connect shields according to the cabinet grounding design and avoid multiple grounding points that may introduce ground loops. Confirm field device polarity and sink\/source configuration before commissioning.\u003c\/p\u003e\n\u003cp\u003eVerify input voltage levels, channel assignments, and PLC program addressing before placing the system into operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43655335116890,"sku":"1762-IQ8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1762-IQ82.jpg?v=1783998097","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1762-iq8-micrologix-1200-discrete-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}