Samuele Locatelli
304 lines
11 KiB
C#
304 lines
11 KiB
C#
using EasyModbus;
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using IOB_UT_NEXT;
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using MapoSDK;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.NetworkInformation;
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using System.Text;
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using System.Threading.Tasks;
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namespace IOB_WIN_NEXT
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{
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/* --------------------------------------------------------------------------------
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* Controlli ModBusTCP COMECA
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* - protocollo ModBus TCP HAM
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* - specifico comportamento impianti HAM Pizzaferri
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*
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* STRUTTURA MEMORIA a banchi di byte, convertiti successivamente in bit/int/real:
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* lettura: xxx byte,
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* scrittura yyy byte
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* G:\Drive condivisi\30_Clienti\Pizzaferri\Impianti\HAM
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* *
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* -------------------------------------------------------------------------------- */
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public class IobModbusTCPHam : IobModbusTCP
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{
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#region Public Constructors
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/// Classe base con i metodi x ModBusTCP
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/// </summary>
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/// <param name="caller"></param>
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/// <param name="adpConf"></param>
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public IobModbusTCPHam(AdapterForm caller, IobConfiguration IOBConf) : base(caller, IOBConf)
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{
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lgInfo("NEW IOB ModBus TCP HAM");
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// provo lettura una prima volta i dati DYN
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if (currPLC != null && currPLC.Connected)
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{
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try
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{
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processDynData();
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}
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catch (Exception exc)
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{
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lgError($"Eccezione in processDynData iniziale x ModBus TCP HAM:{Environment.NewLine}{exc}");
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}
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}
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}
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#endregion Public Constructors
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#region Protected Properties
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protected override bool hasAlarms
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{
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get
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{
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bool answ = false;
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int numErrors = 0;
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int currStatus = 0;
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int[] listInt;
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if (alarmMaps != null)
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{
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// leggo a ciclo le aree degli allarmi CONFIGURATI, se ne trovo --> segnalo allarme...
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foreach (var item in alarmMaps)
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{
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// in primis decremento eventuali blink...
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item.decreaseBlinkCounter();
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// banchi in array Int16 --> scompongo
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for (int i = 0; i < item.size / 2; i++)
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{
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listInt = readInputReg(item.index, item.size);
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currStatus = ModbusClient.ConvertRegistersToInt(listInt);
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//currStatus = listInt[0];
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// verifico SE sia variato... confronto allarmi filtrato stile blink per bit status:
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// - allarmi che iniziano per # IGNORATI
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// - altri allarmi con un countdown da MAX_COUNTER_BLINK a 0 per il fronte di discesa
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if (item.isChanged(i, (uint)currStatus))
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{
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answ = currStatus > 0;
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if (answ)
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{
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numErrors++;
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}
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// registro gli allarmi attivi e trasmetto...
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if (sendAlarmVariations(item.memAddr, i, item.alarmsState[i], (uint)(item.alarmsMask[i] & currStatus), item.messages))
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{
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// se inviato --> salvo stato da current...
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item.updStatusVal(i, (uint)(item.alarmsMask[i] & currStatus));
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}
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}
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}
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}
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}
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return answ;
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}
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}
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#endregion Protected Properties
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#region Private Methods
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private void testBlockRead(int baseAddr, int numByte)
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{
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int baseHold = 40001;
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int[] readTestFull = new int[2];
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lgInfo($"-------------------- Inizio test lettura {baseAddr} --------------------");
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try
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{
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stopwatch.Restart();
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readTestFull = currPLC.ReadHoldingRegisters(baseAddr - baseHold, numByte);
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stopwatch.Stop();
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lgInfo($"Stats lettura | {readTestFull.Length} val | {stopwatch.ElapsedMilliseconds}ms");
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}
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catch
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{ }
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for (int i = 0; i < readTestFull.Length / 2; i++)
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{
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int[] thisSet = new int[2];
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Array.Copy(readTestFull, i * 2, thisSet, 0, 2);
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lgInfo($"{baseAddr + i * 2:000} | HoldingRegisters: {thisSet[0]} / {thisSet[1]} | Val Real: {ModbusClient.ConvertRegistersToFloat(thisSet):N6}");
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}
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lgInfo("-------------------- Completato test lettura {baseAddr} --------------------");
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}
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private void testRead()
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{
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//Ip-Address and Port of Modbus-TCP-Server
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//currPLC = new ModbusClient(cIobConf.cncIpAddr, 502);
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////Connect to Server
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//currPLC.Connect();
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//modbusClient.WriteMultipleCoils(4, new bool[] { true, true, true, true, true, true, true, true, true, true }); //Write Coils starting with Address 5
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//bool[] readCoils = modbusClient.ReadCoils(9, 10); //Read 10 Coils from Server, starting with address 10
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//int[] readHoldingRegisters = currPLC.ReadHoldingRegisters(0, 34); //Read 10 Holding Registers from Server, starting with Address 1
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foreach (var item in memSetR)
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{
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testBlockRead(item.Key, item.Value);
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}
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}
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#endregion Private Methods
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#region Protected Methods
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/// <summary>
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/// Effettua decodifica aree memoria alla bitmap usata x MAPO/GWMS
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/// - per lo scopo specifico IN REALTA' non conta lo stato macchina.... ma lo inviamo lo stesso
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/// </summary>
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protected override void decodeToBaseBitmap()
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{
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// init a zero...
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B_input = 0;
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/* -----------------------------------------------------
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* bitmap MAPO STANDARD
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* B0: POWER_ON
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* B1: RUN
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* B2: pzCount
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* B3: allarme
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*
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----------------------------------------------------- */
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var MemInt = new byte[2];
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int byteSignals = 0;
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// bit 0 (poweron) imposto a 1 SE connected...
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if (currPLC.Connected)
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{
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byteSignals += (1 << 0);
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}
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// processo dagli stati + gravi...
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if (hasAlarms)
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{
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byteSignals += (1 << 3);
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}
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else
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{
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byteSignals += (1 << 1);
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}
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// salvo!
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B_input = byteSignals;
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}
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#endregion Protected Methods
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#region Public Methods
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/// <summary>
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/// Override connessione
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/// </summary>
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public override void tryConnect()
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{
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bool doLog = (verboseLog || periodicLog);
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lgInfo("ModBus TCP HAM: tryConnect step 01");
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if (!connectionOk)
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{
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// SE è necessario refresh...
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if (needRefresh)
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{
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lgInfo("ModBus TCP HAM: tryConnect step 02");
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// reimporto parametri PLC se necessario...
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setParamPlc();
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}
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lgInfo("ModBus TCP HAM: tryConnect step 03");
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// controllo che il ping sia stato tentato almeno pingTestSec fa...
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if (DateTime.Now.Subtract(lastPING).TotalSeconds > utils.CRI("pingTestSec"))
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{
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if (doLog)
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{
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lgInfo("ModBus TCP HAM: ConnKO - tryConnect");
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}
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lgInfo("ModBus TCP HAM: tryConnect step 04");
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// in primis salvo data ping...
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lastPING = DateTime.Now;
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// se passa il ping faccio il resto...
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if (testPingMachine == IPStatus.Success)
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{
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string szStatusConnection = "ND";
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try
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{
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// ora provo connessione...
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parentForm.commPlcActive = true;
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currPLC.Connect();
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szStatusConnection = "OPEN";
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parentForm.commPlcActive = false;
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connectionOk = currPLC.Connected;
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lgInfo($"StatusConnection: {szStatusConnection}");
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// refresh stato allarmi!!!
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if (connectionOk)
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{
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if (adpRunning)
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{
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lgInfo($"Connessione OK: {connectionOk} | adpRunning: {adpRunning}");
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}
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}
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else
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{
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lgError("Impossibile procedere, connessione mancante...");
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}
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}
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catch (Exception exc)
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{
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lgFatal($"Errore in TryConnect adapter ModBusTCP | szStatusConnection {szStatusConnection}{Environment.NewLine}{exc}");
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connectionOk = false;
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needRefresh = true;
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}
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}
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else
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{
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// loggo no risposta ping ...
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connectionOk = false;
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if (doLog)
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{
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lgInfo($"Attenzione: ModBusTCP controllo PING fallito per IP {cIobConf.cncIpAddr}");
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}
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}
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}
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}
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// se non è ancora connesso faccio procesisng memoria caso disconnesso...
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if (!connectionOk)
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{
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// processo semafori ed invio...
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processMemoryDiscon();
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}
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}
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/// <summary>
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/// Override disconnessione
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/// </summary>
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public override void tryDisconnect()
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{
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if (connectionOk)
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{
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string szStatusConnection = "";
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try
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{
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currPLC.Disconnect();
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connectionOk = false;
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lgInfo(szStatusConnection);
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lgInfo("Effettuata disconnessione adapter ModBusTCP!");
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}
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catch (Exception exc)
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{
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lgFatal(exc, "Errore nella disconnessione dall'adapter ModBusTCP");
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}
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}
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else
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{
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lgError("IMPOSSIBILE effettuare disconnessione ModBusTCP: Connessione non disponibile...");
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}
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}
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#endregion Public Methods
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}
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} |