From e4cc42fa51d15b68f3593bab29a17219bda3bdac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dawid=20P=C4=85gowski?= <dawidpag@protonmail.com>
Date: Wed, 23 Aug 2023 01:04:23 +0200
Subject: [PATCH] Add support for serializing IEC date

---
 S7.Net/Protocol/Serialization.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/S7.Net/Protocol/Serialization.cs b/S7.Net/Protocol/Serialization.cs
index 3d114b6..fce3bef 100644
--- a/S7.Net/Protocol/Serialization.cs
+++ b/S7.Net/Protocol/Serialization.cs
@@ -26,6 +26,11 @@ namespace S7.Net.Protocol
                     _ => Types.String.ToByteArray(s, dataItem.Count)
                 };
 
+            if (dataItem.VarType == VarType.Date)
+            {
+                return Date.ToByteArray((System.DateTime)dataItem.Value);
+            }
+
             return SerializeValue(dataItem.Value);
         }