{"product_id":"1771-imd-allen-bradley-plc-5-datasheet-technical-manual","title":"1771-IMD Allen-Bradley PLC 5 Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eAllen-Bradley 1771-IMD PLC 5 Digital AC\/DC Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for discrete high-voltage level detection in PLC-5 platforms, the \u003cstrong\u003eAllen-Bradley 1771-IMD\/B\u003c\/strong\u003e (\u003cstrong\u003e1771-IMD\u003c\/strong\u003e Digital AC\/DC Input Module) provides direct physical\/electrical execution.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1771-IMD\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.31 lbs (1.05 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 chassis slot size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane current: 250 mA @ 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e220 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e184 to 250 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e166 to 230 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax AC Off-State Current\u003c\/td\u003e\n\u003ctd\u003e13.0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax DC Off-State Current\u003c\/td\u003e\n\u003ctd\u003e0.25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical AC Signal Delay\u003c\/td\u003e\n\u003ctd\u003eOn: 15 (+\/- 8) ms \/ Off: 172 (+\/- 56) ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical DC Signal Delay\u003c\/td\u003e\n\u003ctd\u003eOn: 15 (+\/- 8) ms \/ Off: 172 (+\/- 56) ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm Option\u003c\/td\u003e\n\u003ctd\u003e1771-WH \/ 1771-WA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style (Rack mountable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Drive Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1771-IMD manages discrete signal processing synchronized with the backplane bus communication velocity constraints of the legacy 1771 rack infrastructure. The hardware coordinates wide-area I\/O density scaling routines by feeding state registers back to central processors linked across Profinet \/ EtherNet\/IP deterministic networks via communication adapters. Ensuring verified firmware flash compatibility across all adjacent processing blocks is necessary to stabilize input filter updates and guarantee that the 16-channel switching states map into the processor image table without cyclic timing mismatches.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1771-IMD allow Removal and Insertion Under Power (RIUP)?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1771 I\/O chassis backplane structure does not support hot-swapping functionality. The primary power supply feeding the rack must be completely isolated and de-energized prior to inserting or removing this input module to prevent physical degradation of the electrical contacts or logic gates.\u003c\/p\u003e\n\u003cp\u003eQ: How are field wiring connections established for this 16-channel module?\u003c\/p\u003e\n\u003cp\u003eA: Field connections are landed on a dedicated terminal structure using either the 1771-WH or 1771-WA wiring arm. This allows the module to be extracted for maintenance without lifting individual high-voltage AC or DC field loop conductors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Mechanical Alignment\u003c\/strong\u003e: Power down the assembly. Align the top and bottom circuit board margins with the plastic tracks of the designated slot in the 1771 chassis. Slide the module inward until the rear connectors mate securely with the backplane plane, then lock the chassis retaining clips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing Loop Grounding Protocols\u003c\/strong\u003e: Route the 220 V field sensing wires through the plastic routing guides of the wiring arm. Maintain strict separation between these high-voltage lines and low-voltage communication paths to suppress high-frequency electromagnetic noise injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Earth Grounding\u003c\/strong\u003e: Ensure that the 1771 rack chassis frame is bonded directly to the main cabinet functional ground bar via a low-impedance conductor. Continuous structural grounding is required to ensure reliable logic tracking and to safeguard optical isolation pathways.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43421354557530,"sku":"1771-IMD\/B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/30_32f7a9cf-9c8f-418c-ac75-5fbd2200dc43.jpg?v=1779849289","url":"https:\/\/www.spareoil.com\/products\/1771-imd-allen-bradley-plc-5-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}