56 lines
2.0 KiB
JavaScript
56 lines
2.0 KiB
JavaScript
module.exports = function(RED) {
|
|
function settler(config) {
|
|
RED.nodes.createNode(this, config);
|
|
var node = this;
|
|
|
|
let name = config.name;
|
|
let TS_set = parseFloat(config.TS_set);
|
|
const inlet_sludge = parseInt(config.inlet);
|
|
|
|
node.on('input', function(msg, send, done) {
|
|
switch (msg.topic) {
|
|
case "Fluent":
|
|
// conserve volume flow debit
|
|
let F_in = msg.payload.F;
|
|
let C_in = msg.payload.C;
|
|
let F2 = (F_in * C_in[12]) / TS_set;
|
|
|
|
let F1 = Math.max(F_in - F2, 0);
|
|
let F2_corr = F_in < F2 ? F_in : F2;
|
|
|
|
let msg_F1 = structuredClone(msg);
|
|
msg_F1.payload.F = F1;
|
|
msg_F1.payload.C[7] = 0;
|
|
msg_F1.payload.C[8] = 0;
|
|
msg_F1.payload.C[9] = 0;
|
|
msg_F1.payload.C[10] = 0;
|
|
msg_F1.payload.C[11] = 0;
|
|
msg_F1.payload.C[12] = 0;
|
|
|
|
let msg_F2 = {...msg};
|
|
msg_F2.payload.F = F2_corr;
|
|
if (F2_corr > 0) {
|
|
msg_F2.payload.C[7] = F_in * C_in[7] / F2;
|
|
msg_F2.payload.C[8] = F_in * C_in[8] / F2;
|
|
msg_F2.payload.C[9] = F_in * C_in[9] / F2;
|
|
msg_F2.payload.C[10] = F_in * C_in[10] / F2;
|
|
msg_F2.payload.C[11] = F_in * C_in[11] / F2;
|
|
msg_F2.payload.C[12] = F_in * C_in[12] / F2;
|
|
}
|
|
msg_F2.payload.inlet = inlet_sludge;
|
|
|
|
send([msg_F1, msg_F2]);
|
|
break;
|
|
default:
|
|
console.log("Unknown topic: " + msg.topic);
|
|
}
|
|
|
|
if (done) {
|
|
done();
|
|
}
|
|
});
|
|
|
|
}
|
|
RED.nodes.registerType("settling-basin", settler);
|
|
};
|