<script type="text/html" data-template-name="PID control">

<div class="form-row">

<label for="node-input-target" style="width:120px;"><i class="fa fa-dot-circle-o"></i> Set Point</label>

<input type="text" id="node-input-target" placeholder="target value" style="width:60%;">

</div>

<div class="form-row">

<label for="node-input-kp" style="width:120px;"><font size=+1>K_proportional</font></label>

<input type="text" id="node-input-kp" placeholder="proportional gain constant - Kp" style="width:60%;">

</div>

<div class="form-row">

<label for="node-input-ki" style="width:120px;"><font size=+1>K_integral</font></label>

<input type="text" id="node-input-ki" placeholder="integral gain constant - Ki" style="width:60%;">

</div>

<div class="form-row">

<label for="node-input-kd" style="width:120px;"><font size=+1>K_differential</font></label>

<input type="text" id="node-input-kd" placeholder="differential gain constant - Kd" style="width:60%;">

</div>

<div class="form-row">

<label for="node-input-name" style="width:120px;"><i class="fa fa-tag"></i> Name</label>

<input type="text" id="node-input-name" placeholder="Name" style="width:60%;">

</div>

<div class="form-tips"><b>Tip:</b> This node ONLY works on numbers<br>

The damping factors are typically in the range 0 - 1.<br></div>

<script type="text/javascript">

RED.nodes.registerType('PID control',{

color:"#d6ba48",

category: 'function',

defaults: {

name: {value:""},

target: {value:"",validate:RED.validators.regex(/^(\d*|)$/)},

kp: {value:"",required:true,validate:RED.validators.number()},

ki: {value:"",required:true,validate:RED.validators.number()},

kd: {value:"",required:true,validate:RED.validators.number()}

},

inputs:1,

outputs:1,

icon: "function.png",

label: function() {

return this.name||"PID";

},

labelStyle: function() {

return this.name?"node_label_italic":"";

}

});