{"product_id":"abb-dsdx-452-basic-i-o-modules","title":"ABB DSDX 452 Basic I\/O Modules","description":"\u003cp\u003eThe \u003cstrong\u003eABB DSDX 452\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDSDX 452\u003c\/strong\u003e Basic I\/O Module, operates as a dedicated hardware component for 24 VDC digital signal sensing and relay contact switching within ABB control 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\u003eDSDX 452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Rack Module Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInternal Backplane Bus Powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e20 Channels, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Outputs\u003c\/td\u003e\n\u003ctd\u003e12 Relay Output Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Isolation\u003c\/td\u003e\n\u003ctd\u003eCompletely Separated Contacts, 24 V to 240 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Relay Load\u003c\/td\u003e\n\u003ctd\u003eMinimum 2.5 VA or 100 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Voltage Relay Load (\"L\" Suffix)\u003c\/td\u003e\n\u003ctd\u003eMaximum 200 mA, Minimum 5 mA or 0.05 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Integration and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe DSDX 452 module coordinates field discrete inputs and relay outputs directly with host processing units. Internal logic maintains fast backplane bus communication velocity to manage high-density I\/O polling without communication delays across Profinet and EtherNet\/IP deterministic networks. High channel integration enables efficient I\/O density scaling within control cabinets, while onboard non-volatile memory maintains firmware flash compatibility across system updates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the minimum loading conditions for standard relay contacts on the DSDX 452?\u003c\/p\u003e\n\u003cp\u003eA: Standard relay contact channels require a minimum load of 2.5 VA or 100 mA at 24 VDC to ensure reliable contact wiping and prevent contact surface oxidation.\u003c\/p\u003e\n\u003cp\u003eQ: Are the output relay channels electrically isolated from each other?\u003c\/p\u003e\n\u003cp\u003eA: Yes, all 12 relay output channels feature completely separated contact sets compatible with switched voltages ranging from 24 V to 240 V AC\/DC.\u003c\/p\u003e\n\u003cp\u003eQ: Can the DSDX 452 module be replaced while the system rack remains powered?\u003c\/p\u003e\n\u003cp\u003eA: No, system power to the subrack must be isolated prior to removing or inserting the module to prevent electrical arcs and backplane pin damage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all field power sources and subrack main power before installing or removing the DSDX 452 module.\u003c\/li\u003e\n\u003cli\u003eEnsure field wiring for standard relay contacts meets load minimums (100 mA at 24 VDC) or utilize low-voltage \"L\" option cards for low-current signal switching.\u003c\/li\u003e\n\u003cli\u003eRoute 24 VDC digital input cables separately from high-voltage AC relay switching wires to eliminate inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eGround all field cable shields to a dedicated ground bus bar using short, low-impedance ground connections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53254099960117,"sku":"DSDX 452","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DSDX452.png?v=1786008489","url":"https:\/\/www.5gplc.com\/products\/abb-dsdx-452-basic-i-o-modules","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}