39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
module.exports = function(RED) {
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function recirculation(config) {
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RED.nodes.createNode(this, config);
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var node = this;
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let name = config.name;
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let F2 = parseFloat(config.F2);
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const inlet_F2 = parseInt(config.inlet);
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node.on('input', function(msg, send, done) {
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switch (msg.topic) {
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case "Fluent":
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// conserve volume flow debit
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let F1 = msg.payload.F;
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let F_diff = Math.max(F1 - F2, 0);
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let F2_corr = F1 < F2 ? F1 : F2;
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let msg_F1 = {...msg};
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msg_F1.payload.F = F_diff;
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let msg_F2 = structuredClone(msg);
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msg_F2.payload.F = F2_corr;
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msg_F2.payload.inlet = inlet_F2;
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send([msg_F1, msg_F2]);
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break;
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default:
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console.log("Unknown topic: " + msg.topic);
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}
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if (done) {
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done();
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}
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});
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}
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RED.nodes.registerType("recirculation-pump", recirculation);
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};
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