{"product_id":"regent-24vdc-digital-input-module-40-channel-ics-triplex-t3401","title":"Regent 24Vdc Digital Input Module 40-Channel | ICS Triplex T3401","description":"\u003ch2\u003eRockwell ICS Triplex T3401 Regent Series Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRockwell Automation T3401\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eICS Triplex T3401\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for fault-tolerant field switch sensing within Regent and Trusted safety instrumented 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\u003eT3401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICS Triplex (Rockwell Automation)\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\u003e1.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.1 cm x 30.2 cm x 26.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 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\u003e7 mA per channel (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e40 isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (18 to 30 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e2500 V between field wiring and logic circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eTriple Modular Redundant (TMR), 3-2-0 fault tolerant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy \u0026amp; SIS Execution\u003c\/h3\u003e\n\u003cp\u003eThe module operates via Hardware Implemented Fault Tolerant (HIFT) architecture, utilizing a tripled I\/O security bus interface to guarantee that no internal hardware failure disrupts system operation. The subsystem handles 24 VDC nominal inputs across 40 channels, incorporating dedicated test regimes that isolate faults without generating nuisance alarms. Internal circuitry continuously validates loop integrity, executing real-time diagnostics to pinpoint open circuits, short circuits, and stuck-on or stuck-off states. Triple-module parallel wiring enables automated 2oo3 voting structures, enforcing the predefined fail-safe state required for IEC 61508 SIL 3 certification.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the T3401 module be replaced while the safety system is actively executing logic? A: Yes. The module supports hot replacement capabilities. A faulty unit can be extracted and swapped within a triple-module parallel configuration without disrupting the active input loop signals or dropping system safety visibility.\u003c\/p\u003e\n\u003cp\u003eQ: How does the channel-to-channel isolation architecture protect the logic backplane? A: Physical galvanic isolation rated at 2500 V isolates the field-side wiring loops from the internal processing logic. This structural separation prevents high-voltage surges, ground loops, and electrical cross-talk from migrating to adjacent modules or the main processor chassis.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Grounding:\u003c\/strong\u003e Connect the DIN-rail or chassis frame directly to the master plant instrument ground using a low-impedance copper conductor. Ensure the ground path maintains less than 1 Ohm resistance to prevent common-mode voltage drift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Wiring Separation:\u003c\/strong\u003e Route all 24 VDC digital input signal lines through dedicated, segregated wire ways. Maintain a minimum clearance of 30 cm from high-voltage AC power cabling or heavy inductive loads to prevent electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Termination:\u003c\/strong\u003e Terminate field cable shields at the designated chassis grounding bar only. Do not ground the shield at both ends to avoid creating inductive ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Maintain unhindered vertical ventilation spacing above and below the module rack. Verify ambient enclosure temperatures remain within the -20 deg C to +60 deg C operational threshold.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":43754006970458,"sku":"T3401","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/248._08527d82-7530-4f09-9f55-2315a2267aba.jpg?v=1785294560","url":"https:\/\/www.spareoil.com\/products\/regent-24vdc-digital-input-module-40-channel-ics-triplex-t3401","provider":"SpareOil Automation","version":"1.0","type":"link"}