{"product_id":"honeywell-dc-pdil51-51454818-175-digital-input-24v-module","title":"Honeywell DC-PDIL51 51454818-175 Digital Input 24V Module","description":"\u003cp\u003eConfigured for high-density discrete monitoring in Honeywell distributed control systems, the \u003cstrong\u003eHoneywell DC-PDIL51\u003c\/strong\u003e (\u003cstrong\u003eDC-PDIL51\u003c\/strong\u003e Digital Input Module) provides direct physical\/electrical execution.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-PDIL51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51454818-175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Input 24 VDC Module (Series C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware \/ Hardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF.W. E \/ H.W. B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Cert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCl. I, Div. 2, Grp: A, B, C, D; T4 \/ Cl. I, Zone 2, AEx\/Ex nA IIC T4 Gc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 Series (Conformal Coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.68 W @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Series C module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330 g (0.33 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Integration \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe DC-PDIL51 processes discrete field signals while maintaining strict physical and electrical isolation within the control enclosure:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Support:\u003c\/strong\u003e Optocoupler circuits on each input channel decouple high-voltage field-side transitions from the low-voltage backplane logic, preserving channel-to-channel isolation and preventing field ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Coexistence:\u003c\/strong\u003e The module's internal power filtering restricts high-frequency digital switching noise, preventing electromagnetic coupling into adjacent high-precision analog 4-20 mA HART loop protocol lines routed through the same panel trunking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the DC-PDIL51 module be hot-swapped under live field conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The Series C architecture supports hot-swapping of this module on its corresponding Input\/Output Termination Assembly (IOTA) under power. However, caution must be exercised in hazardous locations to ensure no active spark hazards exist.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the G3 designation signify for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The G3 rating indicates conformally coated circuitry, verifying the hardware is protected against harsh, corrosive atmospheric contaminants (such as hydrogen sulfide and sulfur dioxide) in compliance with ISA S71.04 Class G3.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion and Retention:\u003c\/strong\u003e Align the module rear pins carefully with the dedicated socket on the IOTA board (Factory Use: 51307160-475). Press firmly until the mechanical locking screws align, then secure them to prevent vibration displacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Segregation Boundaries:\u003c\/strong\u003e Maintain at least 300 mm separation between the low-voltage 24 VDC discrete input wire trunks and high-voltage AC power lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Compliance:\u003c\/strong\u003e For Class I, Division 2 and Zone 2 installations, verify that all external connections are securely tightened and that the housing is not opened while the field circuits are energized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Ground Continuity:\u003c\/strong\u003e Terminate the field cable shield drains at the cabinet single-point ground bar to block external electromagnetic interference (EMI) from affecting discrete states.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48164839030974,"sku":"DC-PDIL51 51454818-175","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-16_15-17-55_a3014452-42bf-401d-8f00-890bb748f8b9.png?v=1784107442","url":"https:\/\/www.autooiltech.com\/ar\/products\/honeywell-dc-pdil51-51454818-175-digital-input-24v-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}