[{"data":1,"prerenderedAt":539},["ShallowReactive",2],{"site-footer-common":3,"glossary:plc":45,"glossary-related:plc":161},{"id":4,"extension":5,"footer":6,"meta":40,"navbar":41,"stem":43,"__hash__":44},"common\u002Fcommon.yml","yml",{"tagline":7,"links":8,"sections":9},"Acoustic cleaning intelligence for industrial fouling, soot, ash, dust and build-up.",[],[10,19,31],{"title":11,"links":12},"Product",[13,16],{"label":14,"to":15},"How it works","\u002F#product",{"label":17,"to":18},"Cost assessment","\u002F#hero",{"title":20,"links":21},"Company",[22,25,28],{"label":23,"to":24},"What we build","\u002F#about",{"label":26,"to":27},"Careers","\u002F#careers",{"label":29,"to":30},"Contact","\u002F#contact",{"title":32,"links":33},"Resources",[34,37],{"label":35,"to":36},"Blog","\u002Fresources\u002Fblog",{"label":38,"to":39},"Glossary","\u002Fglossary",{},{"links":42},[],"common","YocmZRy1AYfBbpgGVms-zhdiABlF8VTxHx6h4rDmZBA",{"id":46,"title":47,"aliases":48,"body":51,"category":141,"description":142,"extension":143,"meta":144,"navigation":145,"path":146,"relatedTerms":147,"seo":151,"sources":154,"stem":158,"term":159,"__hash__":160},"glossary\u002Fglossary\u002Fplc.md","PLC (Programmable Logic Controller)",[49,50],"PLC","programmable logic controller",{"type":52,"value":53,"toc":134},"minimark",[54,68,73,105,109,112,116],[55,56,57,58,61,62,67],"p",{},"A ",[59,60,47],"strong",{}," is a ruggedised industrial computer running programmed control logic, designed for long-life unattended operation in harsh industrial environments. PLCs are the standard control device for most discrete and sequential process-equipment functions, including ",[63,64,66],"a",{"href":65},"\u002Fglossary\u002Fsonic-horn","sonic-horn"," cycle sequencing.",[69,70,72],"h2",{"id":71},"sonic-horn-plc-integration-patterns","Sonic-horn \u002F PLC integration patterns",[74,75,76,88,94],"ul",{},[77,78,79,82,83,87],"li",{},[59,80,81],{},"Dedicated horn PLC"," — a small PLC running only the ",[63,84,86],{"href":85},"\u002Fglossary\u002Fcycle-controller-sequencer","cycle-controller logic","; simple, easy to commission, isolated from plant-DCS changes",[77,89,90,93],{},[59,91,92],{},"Plant-PLC integration"," — sonic-horn sequencing as a subroutine inside an existing plant PLC; allows tighter operator interaction and DCS visibility",[77,95,96,99,100,104],{},[59,97,98],{},"Hybrid"," — dedicated PLC for the cleaning system with a fieldbus link (",[63,101,103],{"href":102},"\u002Fglossary\u002Fmodbus-profibus-profinet","Modbus"," or similar) to the plant control system",[69,106,108],{"id":107},"procurement-implications","Procurement implications",[55,110,111],{},"Specifying the PLC integration approach early in the project saves substantial commissioning time. Plants that defer the decision until installation often discover that retrofit integration requires more DCS configuration time than the entire horn-installation work.",[69,113,115],{"id":114},"related-terms","Related terms",[74,117,118,124,129],{},[77,119,120],{},[63,121,123],{"href":122},"\u002Fglossary\u002Fdcs","DCS (Distributed Control System)",[77,125,126],{},[63,127,128],{"href":85},"Cycle controller \u002F sequencer",[77,130,131],{},[63,132,133],{"href":102},"Modbus \u002F Profibus \u002F Profinet",{"title":135,"searchDepth":136,"depth":136,"links":137},"",2,[138,139,140],{"id":71,"depth":136,"text":72},{"id":107,"depth":136,"text":108},{"id":114,"depth":136,"text":115},"controls-ancillaries","A PLC (Programmable Logic Controller) is a ruggedised industrial computer running programmed control logic, designed for long-life unattended operation in harsh industrial environments. PLCs are the standard control device for most discrete and sequential process-equipment functions, including sonic-horn cycle sequencing.","md",{},true,"\u002Fglossary\u002Fplc",[148,149,150],"dcs","cycle-controller-sequencer","modbus-profibus-profinet",{"title":152,"description":153},"PLC (Programmable Logic Controller) — industrial-control device for sonic-horn sequencing","A PLC is a ruggedised industrial computer running programmed control logic. Sonic-horn sequencing can be a dedicated PLC or a subroutine inside the plant's existing PLC.",[155],{"title":156,"url":157},"Wikipedia — Programmable logic controller","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FProgrammable_logic_controller","glossary\u002Fplc","Programmable Logic Controller","g6HC22hHTEYKtbEH9yrjvDhGMOgBKH0Mt882NWElBCY",[162,262,380],{"id":163,"title":123,"aliases":164,"body":168,"category":141,"description":248,"extension":143,"meta":249,"navigation":145,"path":122,"relatedTerms":250,"seo":252,"sources":255,"stem":259,"term":260,"__hash__":261},"glossary\u002Fglossary\u002Fdcs.md",[165,166,167],"DCS","distributed control system","plant control system",{"type":52,"value":169,"toc":244},[170,175,179,185,221,228,230],[55,171,57,172,174],{},[59,173,123],{}," is the plant-wide process-automation system that combines operator workstations, controllers, network infrastructure and field-device interfaces into a single integrated platform. Major DCS suppliers include Emerson DeltaV, Honeywell Experion, Yokogawa Centum VP, ABB 800xA, Siemens PCS 7 and Schneider Foxboro Evo.",[69,176,178],{"id":177},"sonic-horn-dcs-integration","Sonic-horn \u002F DCS integration",[55,180,181,182,184],{},"Modern ",[63,183,66],{"href":65}," installations typically integrate to the existing plant DCS to provide:",[74,186,187,193,199,205],{},[77,188,189,192],{},[59,190,191],{},"Operator visibility"," — horn-running status, last-fire time, air supply pressure on the operator HMI",[77,194,195,198],{},[59,196,197],{},"Operator control"," — manual start, manual silence, mode change",[77,200,201,204],{},[59,202,203],{},"Alarm reporting"," — stuck valve, low pressure, controller fault",[77,206,207,210,211,215,216,220],{},[59,208,209],{},"Process-condition response"," — fire-rate increase if ",[63,212,214],{"href":213},"\u002Fglossary\u002Fdifferential-pressure-baghouse","ΔP"," rises, or ",[63,217,219],{"href":218},"\u002Fglossary\u002Fopacity","opacity"," excursion",[55,222,223,224,227],{},"Integration is via ",[63,225,226],{"href":102},"fieldbus"," (Modbus, Profibus, Profinet) or hardwired discrete I\u002FO.",[69,229,115],{"id":114},[74,231,232,236,240],{},[77,233,234],{},[63,235,49],{"href":146},[77,237,238],{},[63,239,128],{"href":85},[77,241,242],{},[63,243,133],{"href":102},{"title":135,"searchDepth":136,"depth":136,"links":245},[246,247],{"id":177,"depth":136,"text":178},{"id":114,"depth":136,"text":115},"A DCS (Distributed Control System) is the plant-wide process-automation system that combines operator workstations, controllers, network infrastructure and field-device interfaces into a single integrated platform. Major DCS suppliers include Emerson DeltaV, Honeywell Experion, Yokogawa Centum VP, ABB 800xA, Siemens PCS 7 and Schneider Foxboro Evo.",{},[251,149,150],"plc",{"title":253,"description":254},"DCS (Distributed Control System) — plant-wide process-automation system","A DCS is the plant-wide process-automation system with operator workstations, controllers and field-device networks. Sonic horns typically integrate via fieldbus to the existing DCS.",[256],{"title":257,"url":258},"Wikipedia — Distributed control system","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDistributed_control_system","glossary\u002Fdcs","Distributed Control System","pkJLY08nuaK9_x1WkvDIVYZpd8EOyg8O_cgm2FRG_Pg",{"id":263,"title":128,"aliases":264,"body":269,"category":141,"description":366,"extension":143,"meta":367,"navigation":145,"path":85,"relatedTerms":368,"seo":370,"sources":373,"stem":377,"term":378,"__hash__":379},"glossary\u002Fglossary\u002Fcycle-controller-sequencer.md",[265,266,267,268],"sequencer","cycle controller","horn sequencer","timer controller",{"type":52,"value":270,"toc":361},[271,289,293,331,335,338,340],[55,272,57,273,275,276,278,279,282,283,285,286,288],{},[59,274,266],{}," (or ",[59,277,265],{},") programmes the firing pattern of one or more ",[63,280,281],{"href":65},"sonic horns"," — pulse duration, pulse interval, firing sequence across multiple horns, zone grouping, response to plant DCS signals. It can be either a dedicated standalone hardware unit or a subroutine inside the plant ",[63,284,49],{"href":146}," or ",[63,287,165],{"href":122},".",[69,290,292],{"id":291},"programmable-parameters","Programmable parameters",[74,294,295,301,307,313,319,325],{},[77,296,297,300],{},[59,298,299],{},"Pulse duration"," — typically 5–15 s per burst",[77,302,303,306],{},[59,304,305],{},"Pulse interval"," — typically 3–15 minutes between pulses on the same horn",[77,308,309,312],{},[59,310,311],{},"Multi-horn sequencing"," — fire one horn at a time to manage compressed-air demand",[77,314,315,318],{},[59,316,317],{},"Zone grouping"," — separate cycles for hopper, plate area and penthouse zones",[77,320,321,324],{},[59,322,323],{},"Response to operator override"," — manual fire, manual silence, mode switching",[77,326,327,330],{},[59,328,329],{},"Alarm output"," — to flag a stuck valve, low air pressure or controller fault",[69,332,334],{"id":333},"standalone-vs-plc-integrated","Standalone vs PLC-integrated",[55,336,337],{},"A standalone cycle controller is simple, cheap and adequate for small installations. Larger multi-horn systems benefit from PLC integration with the plant DCS so horn sequencing can respond to operator commands and process conditions in real time.",[69,339,115],{"id":114},[74,341,342,347,353,357],{},[77,343,344],{},[63,345,346],{"href":65},"Sonic horn",[77,348,349],{},[63,350,352],{"href":351},"\u002Fglossary\u002Fsolenoid-valve","Solenoid valve",[77,354,355],{},[63,356,49],{"href":146},[77,358,359],{},[63,360,165],{"href":122},{"title":135,"searchDepth":136,"depth":136,"links":362},[363,364,365],{"id":291,"depth":136,"text":292},{"id":333,"depth":136,"text":334},{"id":114,"depth":136,"text":115},"A cycle controller (or sequencer) programmes the firing pattern of one or more sonic horns — pulse duration, pulse interval, firing sequence across multiple horns, zone grouping, response to plant DCS signals. It can be either a dedicated standalone hardware unit or a subroutine inside the plant PLC or DCS.",{},[66,369,251,148],"solenoid-valve",{"title":371,"description":372},"Cycle controller and sequencer — programmes the firing pattern of sonic horns","A cycle controller programmes the firing pattern of one or more sonic horns — duration, interval, sequence, zone grouping. Either a dedicated standalone unit or a PLC subroutine.",[374],{"title":375,"url":376},"Power Engineering — Sonic Horns: A User's Introduction","https:\u002F\u002Fwww.power-eng.com\u002Fcoal\u002Fsonic-horns-a-userrsquos-introduction\u002F","glossary\u002Fcycle-controller-sequencer","Cycle controller and sequencer","6klk_97RNkmhc8P60Uc3bKCp37nVL231hEUySdF-XWQ",{"id":381,"title":133,"aliases":382,"body":386,"category":141,"description":526,"extension":143,"meta":527,"navigation":145,"path":102,"relatedTerms":528,"seo":529,"sources":532,"stem":536,"term":537,"__hash__":538},"glossary\u002Fglossary\u002Fmodbus-profibus-profinet.md",[103,383,384,226,385],"Profibus","Profinet","industrial Ethernet",{"type":52,"value":387,"toc":522},[388,411,499,503,506,508],[55,389,390,392,393,395,396,398,399,402,403,406,407,285,409,288],{},[59,391,103],{},", ",[59,394,383],{}," and ",[59,397,384],{}," are the three dominant industrial fieldbus and industrial-Ethernet protocols. ",[63,400,401],{"href":65},"Sonic-horn"," ",[63,404,405],{"href":85},"cycle controllers"," typically support at least one for integration with the plant ",[63,408,165],{"href":122},[63,410,49],{"href":146},[412,413,414,433],"table",{},[415,416,417],"thead",{},[418,419,420,424,427,430],"tr",{},[421,422,423],"th",{},"Protocol",[421,425,426],{},"Origin",[421,428,429],{},"Layer",[421,431,432],{},"Common use",[434,435,436,453,469,485],"tbody",{},[418,437,438,444,447,450],{},[439,440,441],"td",{},[59,442,443],{},"Modbus RTU",[439,445,446],{},"Modicon (1979)",[439,448,449],{},"Serial RS-485",[439,451,452],{},"Widely supported, low cost; common on legacy and smaller installations",[418,454,455,460,463,466],{},[439,456,457],{},[59,458,459],{},"Modbus TCP",[439,461,462],{},"Modicon",[439,464,465],{},"Ethernet",[439,467,468],{},"Modern Modbus over IP; easy integration",[418,470,471,476,479,482],{},[439,472,473],{},[59,474,475],{},"Profibus DP",[439,477,478],{},"Siemens \u002F PNO",[439,480,481],{},"RS-485",[439,483,484],{},"Long-established in European process automation",[418,486,487,491,493,496],{},[439,488,489],{},[59,490,384],{},[439,492,478],{},[439,494,495],{},"Industrial Ethernet",[439,497,498],{},"Modern Siemens-led standard; high-performance",[69,500,502],{"id":501},"specification-practice","Specification practice",[55,504,505],{},"Specify the required fieldbus at RFQ stage to avoid post-installation gateway costs. Sonic-horn controllers from major vendors offer optional fieldbus interface cards; selecting at order is straightforward but field-retrofitting often requires returning the controller for upgrade.",[69,507,115],{"id":114},[74,509,510,514,518],{},[77,511,512],{},[63,513,49],{"href":146},[77,515,516],{},[63,517,123],{"href":122},[77,519,520],{},[63,521,128],{"href":85},{"title":135,"searchDepth":136,"depth":136,"links":523},[524,525],{"id":501,"depth":136,"text":502},{"id":114,"depth":136,"text":115},"Modbus, Profibus and Profinet are the three dominant industrial fieldbus and industrial-Ethernet protocols. Sonic-horn cycle controllers typically support at least one for integration with the plant DCS or PLC.",{},[251,148,149],{"title":530,"description":531},"Modbus, Profibus and Profinet — industrial fieldbus protocols for control integration","Modbus, Profibus and Profinet are the three dominant industrial fieldbus protocols. Sonic-horn cycle controllers typically support at least one for DCS integration.",[533],{"title":534,"url":535},"Wikipedia — Industrial Ethernet","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FIndustrial_Ethernet","glossary\u002Fmodbus-profibus-profinet","Modbus, Profibus and Profinet","MLuoZgsEjM5kqCRgRAdeNJsc_nuU-Jt_-uQv5lH5lmU",1782613732507]