{"product_id":"honeywell-05701-a-0325-dc-input-cards","title":"Honeywell 05701-A-0325 DC Input Cards","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 05701-A-0325\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e05701-A-0325\u003c\/strong\u003e DC Input Card, operates as a dedicated hardware component for routing external DC power to the sub-rack backplane within Honeywell System 57 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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e05701-A-0325\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\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem 57\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\u003eInput Voltage (PSU)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (external)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Input (AUX)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStand-by backup battery connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTB1 (two-part, pluggable block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiode-isolated PSU and AUX inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOvercurrent fuse, RFI filtering, reverse polarity protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePassive routing card (current throughput limited by fuse rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard System 57 single-slot card format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 kg (4.4 lbs)\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; Power Distribution\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-Rack Power Routing:\u003c\/strong\u003e The primary DC power supply enters the rack through the card's pluggable terminal block TB1. The power paths route directly through the Engineering Card to the sub-rack backplane, supplying operating power to all installed control and monitoring cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Source Diode Isolation:\u003c\/strong\u003e The main power supply unit (PSU) and the auxiliary (AUX) standby battery inputs are electrically isolated from one another via high-current onboard diodes. This configuration prevents reverse-feeding of current back into a faulted supply line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current Management:\u003c\/strong\u003e To mitigate the risks of excessive backplane currents in installations featuring more than eight 5704 Catalytic Cards, the system architecture allows control cards to be powered externally through their associated Quad Relay Interface Cards. This limits the backplane DC Input Card's duty cycle strictly to powering the Engineering Card.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 05701-A-0325 be replaced without disconnecting individual field wires?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The card features a two-part pluggable terminal block, TB1. Technicians can unplug the entire pre-wired connector assembly from the card header, allowing rapid module replacement without rewiring errors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of overcurrent protection is featured on the card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The card is fitted with an accessible onboard fuse that protects the sub-rack backplane and connected modules from downstream short circuits or overcurrent faults originating from the main 24 VDC power supply.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Torque Boundaries:\u003c\/strong\u003e Secure the primary and auxiliary 24 VDC lines into the two-part TB1 connector using a precision screwdriver. Tighten to the manufacturer's recommended torque rating to ensure a low-resistance electrical interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStand-by Battery Integration:\u003c\/strong\u003e When connecting an auxiliary standby battery to the AUX terminals, verify that the battery voltage matches the nominal 24 VDC parameters of the primary power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Slot Alignment:\u003c\/strong\u003e Slide the DC Input Card into the designated card guides on the sub-rack. Ensure the rear edge connector mates flush with the backplane sockets before securing the front retaining clips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Shield Grounding:\u003c\/strong\u003e Verify the rack chassis frame is properly connected to the system earth grounding bus bar to enable optimal execution of the integrated RFI filtering networks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48164846993598,"sku":"05701-A-0325","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-15_16-13-08_b37e17ed-e00b-4527-b2c5-28463e7b6644.png?v=1784108087","url":"https:\/\/www.autooiltech.com\/ar\/products\/honeywell-05701-a-0325-dc-input-cards","provider":"AutoOilTech Limited","version":"1.0","type":"link"}