{"id":3654,"date":"2019-02-12T16:09:34","date_gmt":"2019-02-12T16:09:34","guid":{"rendered":"https:\/\/cyflexdoc.wpengine.com\/usage-help-manual\/5-emissions-measurement-and-calculation\/filter_k\/"},"modified":"2025-10-08T12:23:42","modified_gmt":"2025-10-08T17:23:42","slug":"filter_k","status":"publish","type":"page","link":"https:\/\/cyflex.com\/index.php\/usage-help-manual\/7-control-systems\/filter_k\/","title":{"rendered":"filter_k"},"content":{"rendered":"<div>\n<h3>Purpose:<\/h3>\n<\/div>\n<dl>\n<dd>\n<p>Set or display the filter coefficient for a specified AI or FI channel based on command-line input.<\/p>\n<\/dd>\n<\/dl>\n<h3>Enter:<\/h3>\n<dl>\n<dd>\n<p><strong>filter_k<\/strong> &lt;channel_name&gt; [value[units]]<\/p>\n<\/dd>\n<\/dl>\n<h3>Where:<\/h3>\n<dl>\n<dd>\n<table style=\"width: 94.245%;\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col \/>\n<col \/> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"width: 27.3942%;\">\n<p>channel_name<\/p>\n<\/td>\n<td style=\"width: 90.9672%;\">\n<p>Specify the name of an AI or FI channel.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 27.3942%;\">\n<p>value[units]<\/p>\n<\/td>\n<td style=\"width: 90.9672%;\">\n<p>Optional. Specify a value followed by units in brackets, where the value can be a filter coefficient (0.0 to less than 1.0), a frequency cutoff in [hz], or a time constant in [sec].<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/dd>\n<\/dl>\n<h3>Example:<\/h3>\n<dl>\n<dd>\n<p><strong>filter_k<\/strong> comp_in_p 0.10<br \/>\nSpecifies recursive filter coefficient<\/p>\n<p><strong>filter_k<\/strong> comp_in_p .5[hz]<br \/>\nSpecifies cutoff frequency<\/p>\n<p><strong>filter_k<\/strong> comp_in_p 2[sec]<br \/>\nSpecifies time constraint<\/p>\n<p><strong>filter_k<\/strong> comp_in_p<br \/>\nDisplays current settings<\/p>\n<\/dd>\n<\/dl>\n<h3>Notes:<\/h3>\n<dl>\n<dd>\n<p>The filter coefficient is used to smooth transient responses in analog input signals. Values must be between 0.0 and less than 1.0, as the program rejects out-of-range values.<\/p>\n<\/dd>\n<\/dl>\n<h3>See Also:<\/h3>\n<dl>\n<dd>\n<p>&nbsp;<\/p>\n<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Purpose: Set or display the filter coefficient for a specified AI or FI channel based on command-line input. Enter: filter_k &lt;channel_name&gt; [value[units]] Where: channel_name Specify the name of an AI or FI channel. value[units] Optional. Specify a value followed by units in brackets, where the value can be a filter coefficient (0.0 to less than [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":1958,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3654","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/comments?post=3654"}],"version-history":[{"count":0,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3654\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1958"}],"wp:attachment":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/media?parent=3654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}