{"product_id":"allen-bradley-micrologix-1400-1766-l32awaa-32-point-ac-relay-controller-with-analog-i-o","title":"Allen-Bradley MicroLogix 1400 1766-L32AWAA 32-Point AC\/Relay Controller with Analog I\/O","description":"\u003ch2\u003e\u003cstrong\u003eModule Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a premium, all-in-one programmable logic controller within the MicroLogix 1400 family. Designed for sophisticated small-scale automation, this \"AWAA\" variant distinguishes itself by combining high-voltage AC discrete I\/O with embedded 12-bit analog capabilities. It features a built-in LCD for real-time diagnostics and data manipulation, along with extensive communication options including EtherNet\/IP. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis particularly effective for HVAC, water treatment, and standalone machine control where a mix of digital sensors, relay actuators, and analog process variables (like temperature or pressure) must be managed by a single, compact device.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Engineering Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the central intelligence of the system, offering a rich set of embedded I\/O that can be further expanded via 1762 series modules.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eController Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMicroLogix 1400 (Base Unit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e110V to 240V AC (Operating range 100–240V AC @ 47–63 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e20 Points (120V AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 Points (Relay, Normally Open)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 Channels (12-bit Voltage, 0–10V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 Channels (12-bit Voltage, 0–10V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUser Memory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e20 KB (10 KB for user program \/ 10 KB for data)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Logging\/Recipe Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e128 KB for logging \/ 64 KB for recipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Ports:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e* Port 0: 8-pin Mini DIN (RS-232\/RS-485)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePort 1: RJ45 (EtherNet\/IP, DNP3 over IP, Modbus TCP\/IP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePort 2: 9-pin D-Shell (Isolated RS-232)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpansion Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to seven (7) 1762 MicroLogix expansion modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-20°C to 60°C (-4°F to 140°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.45 lbs (1.11 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eAdvanced Interface and Connectivity\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eOne of the defining features of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the integrated backlit LCD. This interface allows maintenance personnel to monitor I\/O status, change network configurations (such as IP addresses), and modify integer values without a laptop. For networked environments, its dual serial ports and dedicated Ethernet port support multi-protocol communication, enabling the controller to act as a bridge between legacy Modbus devices and modern SCADA systems via EtherNet\/IP.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIntegrated Analog Capabilities\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike the standard AWA model, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes 4 voltage inputs and 2 voltage outputs directly on the base unit. These 12-bit channels provide sufficient resolution for typical industrial feedback loops, such as regulating the speed of a Variable Frequency Drive (VFD) via the 0–10V analog output or monitoring a level sensor on the input. Because these are built-in, they do not occupy expansion slots, leaving all seven expansion positions available for additional digital, specialty, or temperature modules.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the analog inputs on the 1766-L32AWAA be used for 4-20mA signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNatively, the embedded analog ports are designed for 0–10V DC. To use a 4-20mA sensor, you must place a high-precision 500-ohm resistor across the input terminals to convert the current to a 2–10V signal, or add a dedicated 1762-IF4 analog expansion module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this AC-powered model support High-Speed Counters (HSC)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. High-speed counting (up to 100 kHz) is only available on MicroLogix 1400 models with 24V DC inputs. The 120V AC inputs on this model are intended for standard discrete logic and do not support high-frequency pulse detection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the real-time clock (RTC) maintained during power loss?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1766-L32AWAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes a replaceable lithium battery (1747-BA) that maintains the RTC and the volatile RAM memory for several years under normal conditions.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52457444671797,"sku":"1766-L32AWAA","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1766-L32AWAA.jpg?v=1773979288","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-micrologix-1400-1766-l32awaa-32-point-ac-relay-controller-with-analog-i-o","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}