{"product_id":"1771-ibn-plc-5-digital-dc-input-module-allen-bradley","title":"1771-IBN PLC-5 Digital DC Input Module | Allen-Bradley","description":"\u003cp\u003eConfigured for discrete signal acquisition in PLC-5 control networks, the \u003cstrong\u003eAllen-Bradley 1771-IBN\u003c\/strong\u003e (\u003cstrong\u003e1771-IBN\u003c\/strong\u003e Digital DC Input Module) provides direct physical\/electrical execution. This hardware unit processes 32 DC input channels organized into four isolated sets of eight, utilizing a 10-60 VDC sink (source load) configuration to monitor field device logic states across the backplane bus.\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-IBN\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 I\/O module form factor\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\u003e280 mA (Backplane current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003e32 Inputs (4 sets of 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e10-60 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1771-IBN relies on backplane bus communication velocity to transmit input state changes to the PLC-5 processor. Given the 6 ms (+\/- 2 ms) digital filter response time for \"on\" signals, users must account for these latency characteristics when configuring scan timing for high-speed logic sequences. I\/O density scaling is managed by the 32-channel configuration; however, firmware flash compatibility must be validated against the specific PLC-5 backplane adapter revision to ensure accurate address mapping and data throughput consistency.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is this module capable of hot-swapping?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1771 series modules are not designed for removal or insertion under power. The chassis must be de-energized to prevent damage to the backplane connector or internal logic components.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module require a specific wiring arm for installation?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 1771-IBN utilizes the 1771-WN wiring arm for secure field signal termination. Ensure the wiring arm is correctly keyed and fully latched to the module before system power-up.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting\u003c\/strong\u003e: Insert the module into any available slot within the 1771 I\/O chassis. Align the module with the guide rails and ensure the backplane connector is fully seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Wiring\u003c\/strong\u003e: Connect DC input signals to the 1771-WN wiring arm. Adhere to the sink\/source configuration requirements, ensuring the field device supply common is properly referenced to the module's DC common.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: Maintain a clean earth ground connection for the I\/O chassis to prevent common-mode noise from triggering false inputs or degrading the input sensitivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConformal Coating\u003c\/strong\u003e: This module is equipped with conformal coating for increased resistance to environmental contaminants. Ensure the module is handled with care to prevent cracking the coating during installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53533968400568,"sku":"1771-IBN","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-IBN.jpg?v=1780294267","url":"https:\/\/www.globalpetroparts.com\/products\/1771-ibn-plc-5-digital-dc-input-module-allen-bradley","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}