{"product_id":"allen-bradley-1734-ib8s-b-point-guard-i-o-safety-digital-input-module","title":"Allen-Bradley 1734-IB8S\/B POINT Guard I\/O Safety Digital Input Module","description":"\u003ch1\u003eAllen-Bradley 1734-IB8S\/B POINT Guard I\/O Safety Digital Input Module\u003c\/h1\u003e\n\u003cp\u003eConfigured for safety-related discrete signal monitoring in POINT Guard I\/O networks, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1734-IB8S\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1734-IB8S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Digital Input Module) provides direct electrical execution. The module processes eight 24 VDC sinking safety inputs and incorporates four pulse test outputs for field-device diagnostic verification through the POINT I\/O distributed backplane architecture.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1734-IB8S\/B\u003c\/td\u003e\n\u003ctd\u003ePOINT Guard I\/O Safety Digital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe supplied documentation identifies a single catalog number. No additional suffix definition beyond the listed model is provided.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003e1734-IB8S\/B\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSafety Digital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003ePOINT Guard I\/O Bulletin 1734\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eSinking Digital Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Test Outputs\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Classification\u003c\/td\u003e\n\u003ctd\u003eFunctional Safety Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eIECEx, Supplier Declaration of Conformity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFirmware Compatibility Within POINT Guard Systems\u003c\/h3\u003e\n\u003cp\u003eThe 1734-IB8S\/B operates as a distributed safety input device within POINT Guard I\/O assemblies. Functional behavior, diagnostic reporting, and safety configuration depend on compatibility between the module, POINT I\/O communication adapter, and associated controller firmware. Prior to commissioning, firmware revisions and hardware profiles should be verified against the applicable system documentation to ensure correct module recognition and safety parameter synchronization.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the pulse test outputs?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe four pulse test outputs are intended for diagnostic verification of connected field devices and wiring circuits. They assist in detecting wiring faults and input-channel abnormalities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of field signals can be connected to the module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module is designed for eight 24 VDC sinking digital input channels. Connected devices must provide electrical characteristics compatible with sinking input operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the supplied documentation specify hot-swap replacement capability?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. The provided technical information does not define hot-swap operation. Installation and replacement activities should follow approved maintenance procedures and system safety requirements.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the module on a compatible POINT I\/O terminal base installed on a secure DIN rail assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify correct polarity and voltage levels before connecting field input devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute safety input wiring separately from motor power and other high-energy conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse the pulse test output channels according to the safety system design documentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminate cable shields according to plant grounding standards and avoid uncontrolled multiple ground paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect terminal connections for secure retention before energizing the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerform functional verification of all safety inputs and diagnostic circuits following installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43475741900890,"sku":"1734-IB8S\/B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1734-IB8S1.jpg?v=1781071654","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1734-ib8s-b-point-guard-i-o-safety-digital-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}