{"product_id":"allen-bradley-1791ds-ib16-guard-i-o-safety-input-module","title":"Allen-Bradley 1791DS-IB16 Guard I\/O Safety Input Module","description":"\u003ch2\u003eAllen-Bradley 1791DS-IB16 Guard I\/O Safety Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1791DS-IB16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1791DS-IB16\u003c\/strong\u003e Safety Input Module, operates as a dedicated hardware component for safety input acquisition within Guard I\/O 1791ES and 1791DS DeviceNet platforms. The module provides 16 single-channel DC sinking inputs with electronic short circuit detection and protection functions.\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\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\u003e1791DS-IB16\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.95 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-4 to 140 deg F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e85 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eGuard I\/O 1791ES and 1791DS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSafety Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 single-channel inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDC sinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Outputs\u003c\/td\u003e\n\u003ctd\u003e16 test outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4-26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Input Voltage\u003c\/td\u003e\n\u003ctd\u003e11 VDC minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Input Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and DeviceNet Safety Input Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1791DS-IB16 integrates Guard I\/O safety input processing through the DeviceNet communication architecture. The module monitors 16 input channels and provides electronic short circuit protection by detecting abnormal current conditions before module damage occurs. The DC sinking input design supports connection of safety devices with dedicated test output monitoring.\u003c\/p\u003e\n\u003cp\u003eThe Guard I\/O hardware architecture supports I\/O density scaling through compact block installation methods. System configuration requires verification of DeviceNet network addressing, safety controller compatibility, and firmware flash compatibility between connected safety components.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1791DS-IB16 provide output control channels?\u003cbr\u003eA: No. The module is configured as a safety input device with 16 input channels and no safety output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What power supply range is required for module operation?\u003cbr\u003eA: The module operates from a 24 VDC supply system within the specified operating voltage range of 20.4-26.4 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: What protection function is integrated into the input circuitry?\u003cbr\u003eA: The module includes electronic short circuit protection and monitors input conditions to identify short circuit states before hardware damage occurs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1791DS-IB16 on a compatible DIN rail mounting structure with adequate mechanical support. Verify that the 24 VDC supply wiring polarity matches the module terminal requirements before energization.\u003c\/p\u003e\n\u003cp\u003eSafety input field wiring should use appropriate separation from high-voltage power conductors and variable-frequency drive cables. Cable shielding, when required by the connected safety devices, should follow the grounding practice defined by the control system design.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, verify DeviceNet communication wiring, node configuration, input channel assignment, and test output connections. Confirm that safety devices connected to each input channel transition correctly between safe and active states during functional testing.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43762983862362,"sku":"1791DS-IB16","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1791DS-IB162.jpg?v=1785396555","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1791ds-ib16-guard-i-o-safety-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}