{"product_id":"honeywell-51202992-100-back-panel-digital-output-module","title":"Honeywell 51202992-100 Back Panel Digital Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51202992-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51202992\u003c\/strong\u003e Digital Output Module, operates as a dedicated hardware component for fail-safe discrete output switching within DCS and Experion PKS platforms. The module provides four independent 24 VDC execution channels to drive field actuators and switching relays directly through the back panel assembly interface.\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\u003e51202992-100\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12 x 6.3 x 7.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 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\u003eTotal Load Capacity: 13 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-265 VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 x 24 VDC discrete output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Output Current\u003c\/td\u003e\n\u003ctd\u003e550 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e2500 VDC channel-to-system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Architecture\u003c\/td\u003e\n\u003ctd\u003eDCS \/ Experion PKS Back Panel\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 CJC Performance\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates high-density galvanic isolation rated at 2500 VDC to decouple field-side voltage transients from the internal backplane logic. In process control installations using 4-20 mA HART loop protocol instruments alongside high-current discrete outputs, this isolation barrier prevents common-mode noise transfer and eliminates ground loops. Integrated fail-safe architecture forces output channels to drop to a predefined zero-energy state upon loss of communication or power anomalies, protecting downstream instrumentation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum continuous current capacity per output channel at elevated ambient temperatures?\u003c\/p\u003e\n\u003cp\u003eA: Each individual output channel supports up to 550 mA at 24 VDC across the entire operating range of -20 deg C to +70 deg C, provided total module power draw does not exceed 13 W.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module execute fail-safe state transitions during backplane bus loss?\u003c\/p\u003e\n\u003cp\u003eA: Upon loss of backplane communication, internal hardware watchdogs trigger immediate channel isolation, dropping all four 24 VDC outputs to 0 VDC within the defined fail-safe execution frame.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Panel Mounting:\u003c\/strong\u003e Seat the module firmly onto the back panel slot, verifying that the connector housing engages without pin deflection before tightening retaining screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding:\u003c\/strong\u003e Connect all field wiring shield drains to the cabinet's dedicated low-impedance instrumentation ground bar, maintaining separation from protective earth (PE).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Route 24 VDC discrete output field cables in independent raceways away from high-voltage AC distribution power cables, maintaining a minimum physical clearance of 300 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Ensure vertical cabinet ventilation channels remain unobstructed to maintain passive air convection across the module chassis.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53581034029365,"sku":"51202992-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/FS-SDO-824_7c1eb5cd-8206-44a6-b782-f96682006eb4.png?v=1789439970","url":"https:\/\/www.5gplc.com\/products\/honeywell-51202992-100-back-panel-digital-output-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}