{"id":10862,"date":"2025-03-21T03:41:07","date_gmt":"2025-03-21T03:41:07","guid":{"rendered":"https:\/\/dclcontrols.com\/?p=10862"},"modified":"2025-03-27T07:12:47","modified_gmt":"2025-03-27T07:12:47","slug":"how-actuator-works","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/en\/support\/actuator\/how-actuator-works","title":{"rendered":"How does an electric actuator works?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10862\" class=\"elementor elementor-10862\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b75a7f e-con-full e-flex e-con e-parent\" data-id=\"0b75a7f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ca7c2bb e-con-full e-flex e-con e-child\" data-id=\"ca7c2bb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a5be97 elementor-widget elementor-widget-image\" data-id=\"7a5be97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"696\" height=\"600\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/05\/dcl-actuator-product-line.webp\" class=\"attachment-full size-full wp-image-4829\" alt=\"DCL \u534e\u6613\u667a\u63a7 \u6267\u884c\u5668 \u4ea7\u54c1\u7ebf | DCL Actuators\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f2b735 elementor-widget elementor-widget-text-editor\" data-id=\"1f2b735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Once connected to a power supply (AC380V, AC220V, AC24V, or DC24V), DCL electric actuators can be controlled by a Distributed Control System (DCS) using various control signals, including analog signals, digital signals, bus communication, and IoT networks. The actuator drives the electric valve to fully open, fully close, or adjust to a specified position, enabling open-loop or closed-loop control of key fluid process parameters such as temperature, flow rate, and pressure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0558f2 elementor-widget elementor-widget-text-editor\" data-id=\"f0558f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>How does an ON-OFF electric actuator works?<\/strong><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#on-off-actuator\">Actuator Status<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-relay-ac220v\">Power by AC85-265V &amp; Control by Relay<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-relay-dc24v\">Power by DC24V &amp; Control by Relay<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-switch-ac220v\">Power by AC220V &amp; Control by Switch<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-switch-dc24v\">Power by DC24V &amp; Control by Switch<\/a><\/span><\/p><p><strong>How does a modulating electric actuators works?<\/strong><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#on-off-actuator\">Actuator Status<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-4-20ma\">Control via 4-20mA<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-2-10v\">Control via 2-10V<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-bus\">Control via fieldbus<\/a><\/span><\/p><p>\u00a0 \u00a0 <span style=\"text-decoration: underline;\"><a href=\"#with-iiot\">Control via IIoT<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-103c89f elementor-widget elementor-widget-heading\" data-id=\"103c89f\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"on-off-actuator\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ON-OFF Electric Actuator<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58887b7 elementor-widget elementor-widget-text-editor\" data-id=\"58887b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Once an on\/off electric actuator (valve) is installed on a pipeline, it can be controlled using a relay, switch, or PLC (DCS) to open or close the valve, enabling fluid flow control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31dce6f elementor-widget elementor-widget-heading\" data-id=\"31dce6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ON-OFF Electric Actuator Status<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0e8c11 elementor-widget elementor-widget-text-editor\" data-id=\"e0e8c11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-start=\"265\" data-end=\"336\"><strong data-start=\"267\" data-end=\"275\">Open<\/strong> \u2013 The valve is fully open, allowing fluid to pass through.<\/li><li data-start=\"337\" data-end=\"401\"><strong data-start=\"339\" data-end=\"349\">Closed<\/strong> \u2013 The valve is fully closed, stopping fluid flow.<\/li><li data-start=\"402\" data-end=\"480\"><strong data-start=\"404\" data-end=\"421\">In Transition<\/strong> \u2013 The valve is moving between open and closed positions.<\/li><li data-start=\"481\" data-end=\"590\"><strong data-start=\"483\" data-end=\"498\">Fault\/Error<\/strong> \u2013 The actuator has encountered an issue, such as power failure, overload, or obstruction.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-14b65f8 e-con-full e-flex e-con e-child\" data-id=\"14b65f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6ee4fb3 e-con-full e-flex e-con e-child\" data-id=\"6ee4fb3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3808ea8 elementor-widget elementor-widget-image\" data-id=\"3808ea8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"422\" height=\"388\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/vale-closed.webp\" class=\"attachment-full size-full wp-image-6112\" alt=\"\u7535\u52a8\u9600\u95e8\u5173\u95ed\u793a\u610f\u56fe\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e60b796 e-con-full e-flex e-con e-child\" data-id=\"e60b796\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d656541 elementor-widget elementor-widget-image\" data-id=\"d656541\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"466\" height=\"388\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/vale-open.webp\" class=\"attachment-full size-full wp-image-6114\" alt=\"\u7535\u52a8\u9600\u95e8\u5168\u5f00\u793a\u610f\u56fe\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3be24e1 elementor-widget elementor-widget-heading\" data-id=\"3be24e1\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-relay-ac220v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Power by AC85-265V &amp; Control by Relay<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de79426 elementor-widget elementor-widget-image\" data-id=\"de79426\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"826\" height=\"307\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/ac220v-switch-actuator-first-step-with-relay.webp\" class=\"attachment-full size-full wp-image-6108\" alt=\"\u4f7f\u7528\u7ee7\u7535\u5668\u63a7\u5236DCL\u5f00\u5173\u578b\u6267\u884c\u5668\uff08AC220V\uff09\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3afd61b elementor-widget elementor-widget-text-editor\" data-id=\"3afd61b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong data-start=\"44\" data-end=\"115\">When the L line is switched to the &#8220;off&#8221; input terminal via a relay<\/strong>, the actuator drives the valve to the closed position. Once the valve reaches the fully closed position, the actuator stops driving, and the electric valve remains closed.<\/li><li><strong data-start=\"292\" data-end=\"362\">When the L line is switched to the &#8220;on&#8221; input terminal via a relay<\/strong>, the actuator drives the valve to the open position. Once the valve reaches the fully open position, the actuator stops driving, and the electric valve remains fully open.<\/li><li><strong data-start=\"539\" data-end=\"574\">During the actuator\u2019s operation<\/strong>, if the power supply on the AC220V L line is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/li><li><strong data-start=\"716\" data-end=\"775\">If the actuator is equipped with a heating dehumidifier<\/strong>, it is important to keep the AC220V L line powered after driving the actuator to the fully open or closed position.<\/li><li style=\"list-style-type: none;\">\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4df2295 elementor-widget elementor-widget-heading\" data-id=\"4df2295\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-relay-dc24v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Power by DC24V &amp; Control by Relay<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb7e0f9 elementor-widget elementor-widget-image\" data-id=\"bb7e0f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"883\" height=\"330\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/dc24v-switch-actuator-first-step-with-relay.webp\" class=\"attachment-full size-full wp-image-6124\" alt=\"DCL DC24V\u5f00\u5173\u578b\u6267\u884c\u5668\u5e94\u7528\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9203b0c elementor-widget elementor-widget-text-editor\" data-id=\"9203b0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong data-start=\"72\" data-end=\"196\">When the relay switches the power + line to the &#8220;open&#8221; input terminal and the power &#8211; line to the &#8220;close&#8221; input terminal<\/strong>, the actuator drives the valve to the open position. Once the valve reaches the fully open position, the actuator stops driving, and the electric valve remains fully open.<\/li><li><strong data-start=\"373\" data-end=\"497\">When the relay switches the power + line to the &#8220;close&#8221; input terminal and the power &#8211; line to the &#8220;open&#8221; input terminal<\/strong>, the actuator drives the valve to the closed position. Once the valve reaches the fully closed position, the actuator stops driving, and the electric valve remains fully closed.<\/li><li><strong data-start=\"680\" data-end=\"715\">During the actuator\u2019s operation<\/strong>, if the power supply is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/li><li><strong data-start=\"836\" data-end=\"895\">If the actuator is equipped with a heating dehumidifier<\/strong>, ensure that the power supply remains on after driving the actuator to the fully open or closed position.<\/li><li style=\"list-style-type: none;\">\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70cefeb elementor-widget elementor-widget-heading\" data-id=\"70cefeb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-switch-ac220v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Power by AC85-265V &amp; Control by Switch<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9aaf18f elementor-widget elementor-widget-image\" data-id=\"9aaf18f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"826\" height=\"307\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/ac220v-switch-actuator-first-step-with-switch.webp\" class=\"attachment-full size-full wp-image-6110\" alt=\"\u4f7f\u7528\u65cb\u94ae\u5f00\u5173\u63a7\u5236DCL\u5f00\u5173\u578b\u6267\u884c\u5668\uff08AC220V\uff09\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4d3474 elementor-widget elementor-widget-text-editor\" data-id=\"d4d3474\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>When the L line is switched to the &#8220;close&#8221; input terminal via a mechanical switch<\/strong>, the actuator drives the valve to the closed position. Once the valve reaches the fully closed position, the actuator stops driving, and the electric valve remains fully closed.<\/li><li><strong>When the L line is switched to the &#8220;open&#8221; input terminal via a mechanical switch<\/strong>, the actuator drives the valve to the open position. Once the valve reaches the fully open position, the actuator stops driving, and the electric valve remains fully open.<\/li><li><strong>During the actuator\u2019s operation<\/strong>, if the power supply on the AC220V L line is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/li><li><strong>If the actuator is equipped with a heating dehumidifier<\/strong>, ensure that the AC220V L line remains powered after driving the actuator to the fully open or closed position.<\/li><\/ul><p><strong>Note<\/strong>: The circuit diagram above shows the basic functionality of the on\/off actuator (electric valve). In practical applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ad699a elementor-widget elementor-widget-heading\" data-id=\"7ad699a\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-switch-dc24v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Power by DC24V &amp; Control by Switch<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-278b991 elementor-widget elementor-widget-image\" data-id=\"278b991\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"844\" height=\"330\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/dc24v-switch-actuator-first-step-with-switch.webp\" class=\"attachment-full size-full wp-image-6126\" alt=\"DCL 24V \u5f00\u5173\u578b\u6267\u884c\u5668\u5e94\u7528\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c0f56e elementor-widget elementor-widget-text-editor\" data-id=\"2c0f56e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>When the mechanical switch connects the power + line to the &#8220;open&#8221; input terminal and the power &#8211; line to the &#8220;close&#8221; input terminal<\/strong>, the actuator drives the valve to the open position. Once the valve reaches the fully open position, the actuator stops driving, and the electric valve remains fully open.<\/li><li><strong>When the mechanical switch connects the power + line to the &#8220;close&#8221; input terminal and the power &#8211; line to the &#8220;open&#8221; input terminal<\/strong>, the actuator drives the valve to the closed position. Once the valve reaches the fully closed position, the actuator stops driving, and the electric valve remains fully closed.<\/li><li><strong>During the actuator\u2019s operation<\/strong>, if the power supply is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/li><li><strong>If the actuator is equipped with a heating dehumidifier<\/strong>, ensure that the power supply remains on after driving the actuator to the fully open or closed position.<\/li><\/ul><p><strong>Note<\/strong>: The circuit diagram above shows the basic functionality of the on\/off actuator (electric valve). In practical applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d28c6c elementor-widget elementor-widget-heading\" data-id=\"6d28c6c\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"modulation-actuator\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Modulating Electric Actuator<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9016b5a elementor-widget elementor-widget-text-editor\" data-id=\"9016b5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When you install a DCL modulating electric actuator (valve) on the pipeline, you can control the valve\u2019s position through 4-20mA or 0-10V analog signals, bus systems (such as Modbus, CAN, Profibus, DeviceNet, Foundation Fieldbus, HART, Ethernet), or IoT networks, enabling precise fluid flow regulation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-326b679 elementor-widget elementor-widget-heading\" data-id=\"326b679\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Modulating Electric Actuator Status<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2961431 elementor-widget elementor-widget-text-editor\" data-id=\"2961431\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-start=\"386\" data-end=\"487\"><strong data-start=\"388\" data-end=\"396\">Open<\/strong> \u2013 The valve is partially or fully open based on the control signal, allowing fluid flow.<\/li><li data-start=\"488\" data-end=\"608\"><strong data-start=\"490\" data-end=\"500\">Closed<\/strong> \u2013 The valve is partially or fully closed based on the control signal, restricting or stopping fluid flow.<\/li><li data-start=\"609\" data-end=\"722\"><strong data-start=\"611\" data-end=\"628\">In Transition<\/strong> \u2013 The valve is adjusting between open and closed positions according to the control signal.<\/li><li data-start=\"723\" data-end=\"883\"><strong data-start=\"725\" data-end=\"740\">Error\/Alarm<\/strong> \u2013 The actuator detects an issue such as a malfunction or communication failure, and the valve may stop or fail to reach the desired position.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7b6a6ac e-con-full e-flex e-con e-child\" data-id=\"7b6a6ac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c3733d2 e-con-full e-flex e-con e-child\" data-id=\"c3733d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c1f25c elementor-widget elementor-widget-image\" data-id=\"5c1f25c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"422\" height=\"388\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/vale-closed.webp\" class=\"attachment-full size-full wp-image-6112\" alt=\"\u7535\u52a8\u9600\u95e8\u5173\u95ed\u793a\u610f\u56fe\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e096f2f e-con-full e-flex e-con e-child\" data-id=\"e096f2f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84db4e7 elementor-widget elementor-widget-image\" data-id=\"84db4e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"487\" height=\"378\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/vale-opening.webp\" class=\"attachment-full size-full wp-image-6119\" alt=\"DCL\u6267\u884c\u5668\u5f00\u5ea6\u8c03\u8282\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-94f167e e-con-full e-flex e-con e-child\" data-id=\"94f167e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9edcb7 elementor-widget elementor-widget-image\" data-id=\"a9edcb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"466\" height=\"388\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/vale-open.webp\" class=\"attachment-full size-full wp-image-6114\" alt=\"\u7535\u52a8\u9600\u95e8\u5168\u5f00\u793a\u610f\u56fe\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9610455 elementor-widget elementor-widget-heading\" data-id=\"9610455\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-4-20ma\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Control via 4-20mA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97f2bb5 elementor-widget elementor-widget-image\" data-id=\"97f2bb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"689\" height=\"296\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/servo-actuator-first-step.webp\" class=\"attachment-full size-full wp-image-6117\" alt=\"DCL\u8c03\u8282\u578b\u6267\u884c\u5668\u7b80\u8981\u5e94\u7528\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a2a00d elementor-widget elementor-widget-text-editor\" data-id=\"6a2a00d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>The actuator adjusts the valve\u2019s position according to a linear relationship with the 4-20mA input signal:<ul><li><strong>4mA<\/strong> corresponds to the valve being fully closed.<\/li><li><strong>20mA<\/strong> corresponds to the valve being fully open.<\/li><\/ul><\/li><li>If the input signal falls outside the specified range, the actuator enters the <strong>loss of signal<\/strong> mode. Depending on the user\u2019s settings, the actuator will drive the valve to:<ul><li><strong>Fully open<\/strong>,<\/li><li><strong>Fully closed<\/strong>, or<\/li><li><strong>Maintain the valve&#8217;s position<\/strong> at the point where the signal was lost.<\/li><\/ul><\/li><\/ul><p><strong>Note<\/strong>: The circuit diagram above shows the basic functionality of a modulating actuator (electric valve). In practical applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31088d9 elementor-widget elementor-widget-heading\" data-id=\"31088d9\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-2-10v\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Control via 2-10V<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9a4b34 elementor-widget elementor-widget-image\" data-id=\"f9a4b34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"703\" height=\"330\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/servo-actuator-first-step-2-10-v.webp\" class=\"attachment-full size-full wp-image-6121\" alt=\"DCL\u8c03\u8282\u578b\u6267\u884c\u5668\u5e94\u7528\u7b80\u56fe\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84e4fa9 elementor-widget elementor-widget-text-editor\" data-id=\"84e4fa9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>The actuator adjusts the valve\u2019s position based on a linear relationship with the 2-10V input signal:<\/li><li style=\"list-style-type: none;\"><ul><li><strong>2V<\/strong> corresponds to the valve being fully closed.<\/li><li><strong>10V<\/strong> corresponds to the valve being fully open.<\/li><\/ul><\/li><li>If the input signal exceeds or falls outside the specified range, the actuator enters the <strong>loss of signal<\/strong> mode. Based on the user&#8217;s settings, the actuator will drive the valve to:<ul><li><strong>Fully open<\/strong>,<\/li><li><strong>Fully closed<\/strong>, or<\/li><li><strong>Maintain the valve\u2019s position<\/strong> where the signal was lost.<\/li><\/ul><\/li><\/ul><p><strong>Note<\/strong>: The circuit diagram above illustrates the basic functionality of a modulating actuator (electric valve). In actual applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34530c9 elementor-widget elementor-widget-heading\" data-id=\"34530c9\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-bus\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Control via fieldbus<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2844c33 elementor-widget elementor-widget-heading\" data-id=\"2844c33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">- Modbus, CAN, Profibus, DeviceNet, Foundation Fieldbus, HART, Ethernet<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9bd27e elementor-widget elementor-widget-image\" data-id=\"e9bd27e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1075\" height=\"597\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/actuator-with-bus-application.webp\" class=\"attachment-full size-full wp-image-6129\" alt=\"\u603b\u7ebf\u578bDCL\u6267\u884c\u5668-Modbus\u3001CAN\u3001Profibus\u3001Ethernet\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0f2acc elementor-widget elementor-widget-text-editor\" data-id=\"a0f2acc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>The control system sends a position control command to the actuator via the bus communication protocol. The actuator then drives the valve to the specified position according to the bus command.<\/li><li><strong>If a bus error occurs<\/strong>, the actuator will drive the valve to one of the following positions based on user settings:<ul><li><strong>Fully open<\/strong>,<\/li><li><strong>Fully closed<\/strong>, or<\/li><li><strong>Maintain the valve position<\/strong> at the time of the bus error.<\/li><\/ul><\/li><li>During the actuator\u2019s operation, if the power supply is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/li><\/ul><p><strong>Note<\/strong>: The circuit diagram above shows the basic functionality of a modulating actuator (electric valve). In practical applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8901d0 elementor-widget elementor-widget-heading\" data-id=\"c8901d0\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"with-iiot\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Control via IIot<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d4b2ca elementor-widget elementor-widget-heading\" data-id=\"3d4b2ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">- NB-Iot, LoRA, LoRaWAN, 4G<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f5d67d elementor-widget elementor-widget-image\" data-id=\"1f5d67d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1142\" height=\"936\" src=\"https:\/\/dclcontrols.com\/wp-content\/uploads\/2023\/08\/actuator-iot-application.webp\" class=\"attachment-full size-full wp-image-6132\" alt=\"DCL\u6267\u884c\u5668 \u7269\u8054\u7f51\u5e94\u7528\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e97caf9 elementor-widget elementor-widget-text-editor\" data-id=\"e97caf9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p data-start=\"67\" data-end=\"303\">Through the actuator&#8217;s IoT platform, users can send position control commands to the actuator via a computer or smartphone app. Once the actuator receives the command from the IoT platform, it drives the valve to the specified position.<\/p><\/li><li><p data-start=\"67\" data-end=\"303\">The IoT platform also allows for the monitoring and recording of critical factors such as actuator valve position, torque, power-on duration, adjustment frequency, etc., particularly in safety-critical or extreme application scenarios.<\/p><\/li><li><p data-start=\"67\" data-end=\"303\">Additionally, you can perform fault diagnostics on actuators that are not equipped with IoT functionality. This application is highly effective for monitoring and troubleshooting occasional failures in actuator applications.<\/p><\/li><li><p data-start=\"67\" data-end=\"303\">During the actuator&#8217;s operation, if the power supply is interrupted, the actuator stops driving, and the electric valve holds its current position.<\/p><\/li><\/ul><p><strong data-start=\"917\" data-end=\"925\">Note<\/strong>: The circuit diagram above shows the basic functionality of a modulating actuator (electric valve). In practical applications, additional protective devices such as fuses and current limiters should also be considered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e9bffc5 e-con-full e-flex e-con e-parent\" data-id=\"e9bffc5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d342722 e-con-full e-flex e-con e-child\" data-id=\"d342722\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bfc64f0 e-con-full e-flex e-con e-child\" data-id=\"bfc64f0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-fed3052 e-con-full e-flex e-con e-child\" data-id=\"fed3052\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09613e9 elementor-widget elementor-widget-heading\" data-id=\"09613e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"\/en\/support\/actuator\/why-electrical-actuator\/\">Previous\uff1aWhy choose electric actuator?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fdbc661 e-con-full e-flex e-con e-child\" data-id=\"fdbc661\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6642692 elementor-widget elementor-widget-heading\" data-id=\"6642692\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"\/en\/support\/actuator\/what-dcl-actuator-drives\/\">Next\uff1aWhat type of valves can DCL electric actuators drive?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Once connected to a power supply (AC380V, AC220V, AC24V, or DC24V), DCL electric actuators can be controlled by a Distributed Control System (DCS) using various control signals, including analog signals, digital signals, bus communication, and IoT networks. The actuator drives the electric valve to fully open, fully close, or adjust to a specified position, enabling [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[99],"tags":[],"class_list":["post-10862","post","type-post","status-publish","format-standard","hentry","category-actuator"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/posts\/10862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/comments?post=10862"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/posts\/10862\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/media?parent=10862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/categories?post=10862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/en\/wp-json\/wp\/v2\/tags?post=10862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}