{"product_id":"digital-output-card-honeywell-621-2175r-ipc-621-115-vac","title":"Digital Output Card | Honeywell 621-2175R IPC 621 115 VAC","description":"\u003ch1 data-path-to-node=\"0\"\u003eHoneywell 621-2175R Digital Output Module\u003c\/h1\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eHoneywell 621-2175R\u003c\/b\u003e, also cataloged as the \u003cb data-path-to-node=\"1\" data-index-in-node=\"47\"\u003e621-2175R\u003c\/b\u003e Digital Output Module, operates as a dedicated hardware component for high-density 115 VAC discrete actuator control within Honeywell IPC 621 and Logic Manager platforms. It converts internal controller logic decisions into switched AC power outputs to drive field relays, contactors, solenoid valves, and indicator circuits across industrial control networks.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"3\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,1,0,0\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,1,1,0\"\u003e621-2175R\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,2,0,0\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,2,1,0\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,3,0,0\"\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,3,1,0\"\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,4,0,0\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,4,1,0\"\u003eStandard modular I\/O weight\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,5,0,0\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,5,1,0\"\u003eSingle-slot standard IPC 621 rack module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,6,0,0\"\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,6,1,0\"\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,7,0,0\"\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,7,1,0\"\u003eBackplane bus driven\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,8,0,0\"\u003eChannel Count\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,8,1,0\"\u003e32 discrete AC output points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,9,0,0\"\u003eNominal Output Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,9,1,0\"\u003e115 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,10,0,0\"\u003eOutput Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,10,1,0\"\u003e80 to 140 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,11,0,0\"\u003eOutput Switching Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,11,1,0\"\u003eZero-crossing AC solid-state turn-on\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,12,0,0\"\u003eMax Current per Circuit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,12,1,0\"\u003e500 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,13,0,0\"\u003eGroup Current Limits\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,13,1,0\"\u003e3.5 A per 8-point group, 7 A per 16-point group\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,14,0,0\"\u003eSurge Current Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,14,1,0\"\u003e10 A at 60 Hz for 1 cycle (non-repetitive)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,15,0,0\"\u003eOff-State Leakage Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,15,1,0\"\u003e\u0026lt;= 5 mA typical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,16,0,0\"\u003eRack Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,16,1,0\"\u003eHoneywell modular I\/O rack slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e4-20 mA HART Loop \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe \u003cb data-path-to-node=\"5\" data-index-in-node=\"4\"\u003eHoneywell 621-2175R\u003c\/b\u003e module incorporates solid-state AC switching technology with integrated zero-crossing turn-on circuitry to minimize voltage spikes and high-frequency electrical noise during inductive load energization. Channel groups feature robust optical isolation that decouples high-voltage AC field power from the low-voltage backplane logic bus. This isolation barrier prevents field-side ground loops and inductive transients from propagating into sensitive DCS and PLC processing architecture, protecting adjacent analog I\/O loops and central system communication interfaces.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eQ: How does zero-crossing switching benefit field inductive loads like contactor coils and solenoid valves?\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eA: Zero-crossing switching energizes the AC output circuit precisely when the AC voltage waveform passes through zero volts. This drastically reduces inrush current spikes and electromagnetic radiation, extending field device contact life and preventing voltage sags on shared 115 VAC control buses.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eQ: What thermal considerations apply when running all 32 output channels at maximum rated current?\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eA: While individual channels support up to 500 mA, technicians must strictly enforce group limits of 3.5 A per 8-point group and 7 A per 16-point group. Exceeding these cumulative thresholds induces internal thermal stress, potentially degrading solid-state switches or tripping upstream circuit protection.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eTechnicians must isolate all incoming 115 VAC power feeds before mounting or servicing the \u003cb data-path-to-node=\"13\" data-index-in-node=\"91\"\u003eHoneywell 621-2175R\u003c\/b\u003e card within the Honeywell IPC 621 rack assembly. Ensure the module card edges align accurately with the guide slots and press firmly until the backplane edge connector seats completely. Route field output conductors through grounded metal wiring ducts, maintaining a minimum physical separation of 2 inches from low-voltage DC signal and communication lines. Verify that external fuse sizing adheres strictly to the 3.5 A per 8-point group rating, and confirm that all field neutral returns connect back to a common grounding bus bar before energizing field loops.\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":51284084031800,"sku":"621-2175R","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/621-2175R.jpg?v=1761547924","url":"https:\/\/www.automodulexpert.com\/products\/digital-output-card-honeywell-621-2175r-ipc-621-115-vac","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}