{"product_id":"sdi208-bachmann-00014544-00-m1-safety-digital-input-module","title":"SDI208 BACHMANN 00014544-00 M1 Safety Digital Input Module","description":"\u003ch2\u003eBACHMANN SDI208 Safety Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBACHMANN SDI208\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSDI208\u003c\/strong\u003e Safety Digital Input Module, operates as a dedicated hardware component for digital signal acquisition and field device monitoring within Bachmann M1 Automation System platforms.\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\u003eSDI208 (Item No. 00014544-00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBACHMANN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eAustria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e110 mm x 25 mm x 119 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePowered via 18 VDC to 34 VDC backplane supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 digital inputs (SIL3 \/ PL e \/ Cat 4 compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (High)\u003c\/td\u003e\n\u003ctd\u003e15 VDC to 34 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (Low)\u003c\/td\u003e\n\u003ctd\u003e0 VDC to 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter\u003c\/td\u003e\n\u003ctd\u003e600 us (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Resistance\u003c\/td\u003e\n\u003ctd\u003e6.8 k-ohm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt Inputs\u003c\/td\u003e\n\u003ctd\u003e1 configurable interrupt input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V galvanic isolation between field and logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003e1 green status LED per input channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Scaling \u0026amp; Safety Bus Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe module transfers field input states directly across the backplane bus communication velocity Licences network structure, enabling tight cycle synchronization with the central SLC284 safety processor module. Distributed layout configurations allow engineers to position the input card locally in the M1 rack or over extended distances via FASTBUS optical interfaces. High-density I\/O density scaling expands system capability while maintaining deterministic response times and full IEC 61508 safety integrity. Hardware-level diagnostic routines continually verify cross-channel functional states to preserve firmware flash compatibility across backplane processing nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What safety integrity level certifications govern the inputs on this module?\u003c\/p\u003e\n\u003cp\u003eA: The input channels comply with IEC 61508 SIL3, EN ISO 13849-1 PL e, and Category 4 structural requirements for safety-critical field signal evaluation.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle signal noise and switch contact bounce on inputs?\u003c\/p\u003e\n\u003cp\u003eA: An integrated hardware input filter applies a 600 us typical time delay to incoming signals to prevent transient noise spikes from generating false logic trips.\u003c\/p\u003e\n\u003cp\u003eQ: Can input channel values be accessed outside the dedicated safety code execution space?\u003c\/p\u003e\n\u003cp\u003eA: Process values and state variables mirror directly into standard PLC application languages (PLC, C\/C++) and HMI visualization systems without requiring separate parallel wiring loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module on the standard M1 backplane rail inside an IP54-rated control enclosure. De-energize all 24 VDC power feeds supplying the rack prior to inserting or removing the card to protect backplane connector contacts. Wire field devices such as emergency stop switches, light curtains, and safety interlocks using shielded twisted-pair cables. Terminate cable drain wires directly at the functional earth (FE) bus bar using low-impedance grounding clamps, ensuring physical separation between safety signal leads and high-voltage power conduits.\u003c\/p\u003e","brand":"BACHMANN","offers":[{"title":"Default Title","offer_id":52894457692472,"sku":"SDI208","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/261..jpg?v=1788327583","url":"https:\/\/www.automodulexpert.com\/products\/sdi208-bachmann-00014544-00-m1-safety-digital-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}