{"product_id":"8c-pdida1-series-8-digital-input-module-honeywell","title":"8C-PDIDA1 Series 8 Digital Input Module | Honeywell","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 8C-PDIDA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8C-PDIDA1\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for discrete signal acquisition within Honeywell Experion PKS Series 8 I\/O 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\u003e8C-PDIDA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard Series 8 module mass (approx. 0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Series 8 footprint (approx. 155 mm x 95 mm x 45 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTypically less than 3 W\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\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e24 VDC discrete input (Dry contact and solid-state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 VDC to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic Thresholds\u003c\/td\u003e\n\u003ctd\u003eOFF: 0 VDC to 5 VDC; ON: 15 VDC to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Method\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system optical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConformal Coating\u003c\/td\u003e\n\u003ctd\u003eStandard 8C Series coated construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Swap Function\u003c\/td\u003e\n\u003ctd\u003eSupports Removal and Insertion Under Power (RIUP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eModule status and channel-level diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Process Control Interface\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 8C-PDIDA1 applies optical isolation between field input circuits and the control system backplane interface, preventing common-mode voltage surges and ground loops from compromising Experion PKS C300 controller logic. Configured for high-density 32-channel discrete monitoring, the module continuously reads field switching states from limit switches, auxiliary relay contacts, and digital transmitters. Integrated channel-level diagnostic routines detect physical wiring anomalies and feed discrete status telemetry across the Series 8 I\/O architecture without requiring external signal conditioning hardware.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 8C-PDIDA1 module support hot swapping during active C300 controller operations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports Removal and Insertion Under Power (RIUP), allowing field replacement on an energized Series 8 carrier without interrupting adjacent I\/O operations.\u003c\/p\u003e\n\u003cp\u003eQ: What are the defined voltage thresholds for field input logic detection on the 8C-PDIDA1?\u003c\/p\u003e\n\u003cp\u003eA: The module recognizes 0 VDC to 5 VDC as a logic OFF state and 15 VDC to 30 VDC as a logic ON state, with a nominal operating voltage rating of 24 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 8C-PDIDA1 protect backplane circuitry from field-side electrical interference?\u003c\/p\u003e\n\u003cp\u003eA: Internal optical isolation barriers decouple field-side 24 VDC sensing loops from the internal system architecture, blocking high-voltage transients and noise propagation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign the rear connector pins of the 8C-PDIDA1 module with the designated slot on the Series 8 I\/O carrier structure.\u003c\/li\u003e\n\u003cli\u003ePress the card firmly into the carrier guide tracks until the mechanical locking mechanisms seat securely into place.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring supplying the 24 VDC discrete inputs is routed through designated cabinet wire ducts, isolated from high-voltage AC cabling.\u003c\/li\u003e\n\u003cli\u003eConnect field sensor shield drains to the cabinet clean earth ground bar at a single termination point to preserve optical isolation efficiency.\u003c\/li\u003e\n\u003cli\u003eInspect carrier header connectors prior to module installation to ensure no pins are bent, contaminated, or damaged.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52321592279336,"sku":"8C-PDIDA1","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/8C-PAIMA151454473-1751_93d14c01-53c7-4193-8dd0-6da9b12809f1.png?v=1788421654","url":"https:\/\/www.powerdcs.com\/ar\/products\/8c-pdida1-series-8-digital-input-module-honeywell","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}