diff --git a/IOB-WIN-NEXT/IobModbusTCP.cs b/IOB-WIN-NEXT/IobModbusTCP.cs
index cd13af47..a23d8b1e 100644
--- a/IOB-WIN-NEXT/IobModbusTCP.cs
+++ b/IOB-WIN-NEXT/IobModbusTCP.cs
@@ -714,6 +714,7 @@ namespace IOB_WIN_NEXT
                     }
 
                     // ora tento avvio PLC... SE PING OK...
+                    lastPING = DateTime.Now;
                     IPStatus esitoPing = testPingMachine;
                     if (esitoPing == IPStatus.Success)
                     {
@@ -749,7 +750,7 @@ namespace IOB_WIN_NEXT
                     }
                     else
                     {
-                        lgError($"Errore in ping: esito {esitoPing}");
+                        lgError($"ModBusTCP IOB | Errore in ping: esito {esitoPing}");
                     }
                     parentForm.commPlcActive = false;
                 }
diff --git a/IOB-WIN-NEXT/IobSiemens.cs b/IOB-WIN-NEXT/IobSiemens.cs
index c95cb182..aebe7a32 100644
--- a/IOB-WIN-NEXT/IobSiemens.cs
+++ b/IOB-WIN-NEXT/IobSiemens.cs
@@ -609,7 +609,7 @@ namespace IOB_WIN_NEXT
                     }
                     else
                     {
-                        lgError($"Errore in ping: esito {esitoPing}");
+                        lgError($"IOB SIEMENS | Errore in ping: esito {esitoPing}");
                     }
                     parentForm.commPlcActive = false;
                     // carico conf vettore memoria...