{"product_id":"allen-bradley-1734-ib4-point-i-o-4-point-digital-input-module","title":"Allen Bradley 1734-IB4 Point I\/O 4 Point Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1734-IB4\u003c\/strong\u003e is a 4-point sinking digital input module designed for the POINT I\/O system. The \u003cstrong\u003e1734-IB4\u003c\/strong\u003e interfaces field-side sensor devices—such as 2-wire or 3-wire proximity switches—with a central controller over I\/O networks like DeviceNet, PROFIBUS, ControlNet, or EtherNet\/IP via compatible adapters. Receiving 24V DC discrete signals, it produces 1 byte of input data for processor memory mapping.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 sinking DC input channels arranged in 1 group of 4\u003c\/li\u003e\n\u003cli\u003eDirect installation on DIN rail using compatible 1734 series terminal base assemblies\u003c\/li\u003e\n\u003cli\u003eIntegrated LED status indicators for network status, module status, and individual channel input status\u003c\/li\u003e\n\u003cli\u003eKeyed insertion system to prevent improper module placement\u003c\/li\u003e\n\u003cli\u003eSupport for Removable Terminal Blocks (RTB) to allow module replacement without disturbing field wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory automation and process control signal acquisition\u003c\/li\u003e\n\u003cli\u003eInterface for 2-wire and 3-wire DC proximity switches\u003c\/li\u003e\n\u003cli\u003eDiscrete limit switch and push-button input processing\u003c\/li\u003e\n\u003cli\u003eDistributed control systems utilizing POINT I\/O architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eSingapore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs per Module\u003c\/td\u003e\n\u003ctd\u003e4 (1 group of 4), sinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage, Nom\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10...28.8V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current, Nom\u003c\/td\u003e\n\u003ctd\u003e4 mA @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current, Max\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage, Max\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current, Min\u003c\/td\u003e\n\u003ctd\u003e1.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance, Nom\u003c\/td\u003e\n\u003ctd\u003e3.6 kOHM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance, Max\u003c\/td\u003e\n\u003ctd\u003e4.7 kOHM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter Time (Off-to-On)\u003c\/td\u003e\n\u003ctd\u003e0.5 ms hardware plus 0...63 ms (user-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter Time (On-to-Off)\u003c\/td\u003e\n\u003ctd\u003e0.5 ms hardware plus 0...63 ms (user-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Supply Voltage, Nom\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10...28.8V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOINTBus Current, Max\u003c\/td\u003e\n\u003ctd\u003e75 mA @ 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation @ 28.8V DC, Max\u003c\/td\u003e\n\u003ctd\u003e1.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation @ 28.8V DC, Max\u003c\/td\u003e\n\u003ctd\u003e3.4 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50V (continuous), Reinforced Insulation Type (Tested @ 2500V DC for 60 s, field-side to system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Screw Torque\u003c\/td\u003e\n\u003ctd\u003e0.8 N-m (7 lb-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type Rating\u003c\/td\u003e\n\u003ctd\u003eNone (open-style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D), Approx.\u003c\/td\u003e\n\u003ctd\u003e56.6 x 12.1 x 77.5 mm (2.23 x 0.48 x 3.05 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight, Approx.\u003c\/td\u003e\n\u003ctd\u003e31.8 g (1.12 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +55 degC (-4 degF to +131 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonoperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC (-40 degF to +185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5...95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eInput 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eInput 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eInput 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eInput 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCommon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eCommon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eUser Supply (12\/24V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eUser Supply (12\/24V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Installation:\u003c\/strong\u003e Mount the module onto a zinc-plated chromate-passivated steel DIN rail (part number 199-DR1; 46277-3; EN50022) to establish proper chassis grounding. Secure the DIN rail every 200 mm (7.8 in.) and use end-anchors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Requirements:\u003c\/strong\u003e Install inside an enclosure suitable for Pollution Degree 2 industrial environments, providing an ingress protection rating of at least IP54 for hazardous location applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Keying:\u003c\/strong\u003e Rotate the keyswitch on the mounting base to position 1 before inserting the module. Ensure the DIN rail locking screw is in the horizontal position before module insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Safety:\u003c\/strong\u003e Ensure field-side power and backplane power are removed before inserting or removing the module or terminal block in hazardous locations to prevent electrical arcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Power the equipment from a SELV or PELV compliant source to comply with CE Low Voltage Directive requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL Listed Industrial Control Equipment (UL File E65584)\u003c\/li\u003e\n\u003cli\u003eUL Listed for Class I Division 2 Group A, B, C, D Hazardous Locations (UL File E194810, Temp Code T4A)\u003c\/li\u003e\n\u003cli\u003eUKEX \/ ATEX: II 3 G Ex ec IIC T4 Gc (DEMKO 04 ATEX 0330347X, UL22UKEX2478X)\u003c\/li\u003e\n\u003cli\u003eIECEx: Ex ec IIC T4 Gc (IECEx UL 20.0072X)\u003c\/li\u003e\n\u003cli\u003eCE \/ UKCA EMC: EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2\u003c\/li\u003e\n\u003cli\u003eRoHS: EN IEC 63000\u003c\/li\u003e\n\u003cli\u003eRCM, KC, CCC (202012230911607)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53609911189867,"sku":"1734-IB4","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1734-IB4_2.jpg?v=1785027090","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1734-ib4-point-i-o-4-point-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}