From 84a7e789d11e7ef0b3d0a23ae22d737e62fc219b Mon Sep 17 00:00:00 2001
From: "Christian Tremblay, ing." <christian.tremblay@servisys.com>
Date: Thu, 16 Jan 2025 21:30:45 -0500
Subject: [PATCH] Attempt in fixing
 https://github.com/ChristianTremblay/BAC0/issues/352

---
 BAC0/core/io/Read.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/BAC0/core/io/Read.py b/BAC0/core/io/Read.py
index b18012e..0fc775d 100644
--- a/BAC0/core/io/Read.py
+++ b/BAC0/core/io/Read.py
@@ -49,6 +49,7 @@ def readMultiple()
     RangeByPosition,
     RangeBySequenceNumber,
     RangeByTime,
+    EngineeringUnits,
 )
 from bacpypes3.errors import NoResponse, ObjectError
 from bacpypes3.object import get_vendor_info
@@ -183,7 +184,14 @@ async def read(
                         "Using a default value of On for internal needs."
                     )
                     return "True"
+                if "units" in args:
+                    self._log.warning(
+                        "The units property is not implemented in the device. We will consider noUnits"
+                        "Using a default value for internal needs. Please note that units is a required property for BACnet objects like analog values. The device you are reading from may be non-compliant."
+                    )
+                    return EngineeringUnits("noUnits")
                 else:
+
                     raise UnknownPropertyError(f"Unknown property {args}")
             else:
                 self.log(f"Error : {err}", level="error")