zhusenlin/S7CommPlusV3Driver
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1. Added support for connecting to PLCs when "Only secure PG/PC and HMI communication" option is enabled

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2. Fixed connection failure errors when PLC has "Only secure PG/PC and HMI communication" enabled

3. Fixed null reference errors when SessionKey is empty due to connection failures
This commit is contained in:
CoderShen
2025-10-31 15:18:28 +08:00
parent c24ca178b0
commit 40cf60b069
46 changed files with 65 additions and 8 deletions
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30
DriverTest/Program.cs
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@@ -1,4 +1,6 @@
//#define _TEST_BASIC_VAR
#define _TEST_PLCTAG
using System;
using System.Collections.Generic;
using System.IO;
@@ -15,7 +17,7 @@ namespace DriverTest
{
static void Main(string[] args)
{
string HostIp = "192.168.0.250";
string HostIp = "192.168.0.1";
string Password = "";
int res;
List<ItemAddress> readlist = new List<ItemAddress>();
@@ -31,9 +33,17 @@ namespace DriverTest
Console.WriteLine("Main - Versuche Verbindungsaufbau zu: " + HostIp);
S7CommPlusConnection conn = new S7CommPlusConnection();
conn.OnlySecurePGOrPCAndHMI = true;//Only secure PG/PC and HMI communication
System.Diagnostics.Stopwatch stopwatch1 = new System.Diagnostics.Stopwatch();
stopwatch1.Start();
res = conn.Connect(HostIp, Password);
stopwatch1.Stop();
Console.WriteLine($"PLCType: {conn.PLCInformation.PLCType} | MLFB: {conn.PLCInformation.MLFB} | Firmware: {conn.PLCInformation.Firmware}");
Console.WriteLine($"连接耗时{stopwatch1.ElapsedMilliseconds}ms.");
if (res == 0)
{
Console.WriteLine("按任意键浏览变量");
Console.ReadKey();
Console.WriteLine("Main - Connect fertig");
#region Variablenhaushalt browsen
@@ -43,7 +53,8 @@ namespace DriverTest
res = conn.Browse(out vars);
Console.WriteLine("Main - Browse res=" + res);
#endregion
List<VarInfo> vars_ = vars.GetRange(0,1000);
List<VarInfo> vars_ = vars.GetRange(0,50);
#if _TEST_PLCTAG
#region Werte aller Variablen einlesen
Console.WriteLine("Main - Lese Werte aller Variablen aus");
@@ -77,18 +88,20 @@ namespace DriverTest
Console.ReadKey();
while (res == 0)
{
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
System.Diagnostics.Stopwatch stopwatch2 = new System.Diagnostics.Stopwatch();
stopwatch2.Start();
res = tags.ReadTags(conn);
stopwatch.Stop();
long ms = stopwatch.ElapsedMilliseconds;
stopwatch2.Stop();
long ms = stopwatch2.ElapsedMilliseconds;
if (res == 0)
{
string header = $"读取{vars_.Count}个变量耗时{ms}毫秒";
Console.WriteLine(header);
}
}
#endif
#if _TEST_BASIC_VAR
#region Werte aller Variablen einlesen
Console.WriteLine("Main - Lese Werte aller Variablen aus");
@@ -123,6 +136,7 @@ namespace DriverTest
Console.WriteLine("===============================================================");
}
#endregion
#endif
/*
#region Test: Wert schreiben