58 lines
2.0 KiB
JavaScript
58 lines
2.0 KiB
JavaScript
module.exports = function(RED) {
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function settler(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 TS_set = parseFloat(config.TS_set);
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const inlet_sludge = 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 F_in = msg.payload.F;
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let C_in = msg.payload.C;
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let F2 = (F_in * C_in[12]) / TS_set;
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let F1 = Math.max(F_in - F2, 0);
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let F2_corr = F_in < F2 ? F_in : F2;
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let msg_F1 = structuredClone(msg);
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msg_F1.payload.F = F1;
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msg_F1.payload.C[7] = 0;
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msg_F1.payload.C[8] = 0;
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msg_F1.payload.C[9] = 0;
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msg_F1.payload.C[10] = 0;
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msg_F1.payload.C[11] = 0;
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msg_F1.payload.C[12] = 0;
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let msg_F2 = {...msg};
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msg_F2.payload.F = F2_corr;
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if (F2_corr > 0) {
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msg_F2.payload.C[7] = F_in * C_in[7] / F2;
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msg_F2.payload.C[8] = F_in * C_in[8] / F2;
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msg_F2.payload.C[9] = F_in * C_in[9] / F2;
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msg_F2.payload.C[10] = F_in * C_in[10] / F2;
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msg_F2.payload.C[11] = F_in * C_in[11] / F2;
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msg_F2.payload.C[12] = F_in * C_in[12] / F2;
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}
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msg_F2.payload.inlet = inlet_sludge;
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send([msg_F1, msg_F2]);
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break;
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case "clock":
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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("settling-basin", settler);
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};
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