[{"data":1,"prerenderedAt":100},["ShallowReactive",2],{"glossary-en-noise":3},{"id":4,"title":5,"body":6,"description":86,"extension":87,"meta":88,"navigation":95,"path":96,"seo":97,"stem":98,"__hash__":99},"en_glossary/en/glossary/noise.md","What is Signal Noise and How to Prevent It?",{"type":7,"value":8,"toc":77},"minimark",[9,14,18,23,36,40,66],[10,11,13],"h2",{"id":12},"what-is-signal-noise","What is Signal Noise?",[15,16,17],"p",{},"Industrial environments are a battlefield for sensitive electronics. Motor drives (VFDs), large contactors, and welding machines emit \"electromagnetic interference\" (EMI). This noise rides onto sensor cables and behaves as if it were a real signal.",[19,20,22],"h3",{"id":21},"what-are-the-consequences","What Are the Consequences?",[24,25,26,30,33],"ul",{},[27,28,29],"li",{},"Unstable, fluctuating measurement values.",[27,31,32],{},"Triggering of false alarms.",[27,34,35],{},"Damage to sensitive electronic boards.",[19,37,39],{"id":38},"how-to-prevent-it","How to Prevent It?",[41,42,43,50,56],"ol",{},[27,44,45,49],{},[46,47,48],"strong",{},"Shielded Cable",": Protects the cable like armor.",[27,51,52,55],{},[46,53,54],{},"Differential Signal",": RS485 or differential analog inputs mathematically eliminate noise.",[27,57,58,61,62,65],{},[46,59,60],{},"Digital Filtering",": The ",[46,63,64],{},"Adaptive Digital Filter"," in Amazeng devices analyzes the incoming signal and separates noise frequencies from the real signal to clean it up.",[15,67,68,69,76],{},"In noisy environments, instead of carrying analog signals, using a ",[46,70,71],{},[72,73,75],"a",{"href":74},"/en/products/gdt-digital-transmitter","GDT Digital Transmitter"," that digitizes the signal at the source is the definitive solution.",{"title":78,"searchDepth":79,"depth":79,"links":80},"",2,[81],{"id":12,"depth":79,"text":13,"children":82},[83,85],{"id":21,"depth":84,"text":22},3,{"id":38,"depth":84,"text":39},"Sources of electrical noise (EMI/RFI) in industrial environments, their effect on measurement errors, and filtering methods.","md",{"tags":89},[90,91,92,93,94],"Noise","EMI","Filtering","Signal Quality","Grounding",true,"/en/glossary/noise",{"title":5,"description":86},"en/glossary/noise","IuNPOMq-U-oO0xObx0FHOA25nnwp49erXR9qkySa19s",1778229654978]