diff --git a/source/examples/functions/MceWarnings/definition.yaml b/source/examples/functions/MceWarnings/definition.yaml
index 7c5755f..904d2f6 100644
--- a/source/examples/functions/MceWarnings/definition.yaml
+++ b/source/examples/functions/MceWarnings/definition.yaml
@@ -1,6 +1,14 @@
 author: deGroot
 comment: Reading warnings
 changelog:
+  - version: 0.4.0
+    date: 2026-05-04
+    author: deGroot
+    added:
+      - '`bEnable` input for activating the polling sequence'
+    changed:
+      - 'clear strings using FOR loop for platform compatibility'
+      - requires `MceWarningsIO` data type version `0.2.0`
   - version: 0.3.1
     date: 2025-02-24
     author: Rioual
@@ -48,4 +56,6 @@ var:
 
       - name: aWarningBuffer
         type: ARRAY [0..GVL.WARNINGS_UBOUND] OF STRING[162]
-        comment: buffer of received robot warnings
\ No newline at end of file
+        comment: buffer of received robot warnings
+
+      - name: i
diff --git a/source/examples/functions/MceWarnings/source.iecst b/source/examples/functions/MceWarnings/source.iecst
index e94469b..3a82de7 100644
--- a/source/examples/functions/MceWarnings/source.iecst
+++ b/source/examples/functions/MceWarnings/source.iecst
@@ -33,22 +33,20 @@ CASE io.nSmReadWarnings OF
   // idle
   // -------------------------------------
   0:
-    IF MLX.Signals.MLXGatewayConnected THEN
+    IF MLX.Signals.MLXGatewayConnected AND io.bEnable THEN
       // init
       nIndex := 0;
-      MEMUtils.MemSet(
-        pbyBuffer := ADR(aWarningBuffer),
-        byValue := 0,
-        dwSize := SIZEOF(aWarningBuffer));
+      FOR i := 0 TO GVL.WARNINGS_UBOUND DO
+        aWarningBuffer[i] := '';
+      END_FOR;
 
       io.nSmReadWarnings := 10;
     ELSE
       // clear old data
       io.nWarnings := 0;
-      MEMUtils.MemSet(
-        pbyBuffer := ADR(io.aWarnings),
-        byValue := 0,
-        dwSize := SIZEOF(io.aWarnings));
+      FOR i := 0 TO GVL.WARNINGS_UBOUND DO
+        io.aWarnings[i] := '';
+      END_FOR;
     END_IF;
 
   // -------------------------------------
@@ -74,10 +72,14 @@ CASE io.nSmReadWarnings OF
 
         // the errorNumber returns the "warning slot number" (0..9) so let's
         // use it to detect when the polling sequence is complete
-        IF (fbGetMessageDetail.MessageDetail.errorNumber < 9 ) THEN
-          io.nSmReadWarnings := 20;
+        IF io.bEnable THEN
+          IF (fbGetMessageDetail.MessageDetail.errorNumber < 9 ) THEN
+            io.nSmReadWarnings := 20;
+          ELSE;
+            io.nSmReadWarnings := 30;
+          END_IF;
         ELSE;
-          io.nSmReadWarnings := 30;
+          io.nSmReadWarnings := 0;
         END_IF;
       END_IF;
     END_IF;
diff --git a/source/examples/types/MceWarningsIO/definition.yaml b/source/examples/types/MceWarningsIO/definition.yaml
index 58a498a..85085f4 100644
--- a/source/examples/types/MceWarningsIO/definition.yaml
+++ b/source/examples/types/MceWarningsIO/definition.yaml
@@ -2,6 +2,11 @@ company: Yaskawa Europe GmbH
 author: deGroot
 comment: IO data for the MceWarnings function
 changelog:
+  - version: 0.2.0
+    date: 2026-05-04
+    author: deGroot
+    added:
+      - '`bEnable` input for activating the reading of robot warnings'
   - version: 0.1.1
     date: 2022-02-24
     author: deGroot
@@ -19,6 +24,16 @@ changelog:
 #   security:
 var:
 
+  - name: bEnable
+    description: |
+      *Used as input*
+
+      This activates the polling cycle for reading robot warnings.
+
+    type: BOOL
+    default_value: "FALSE"
+    comment: "input: activate reading robot warnings"
+
   - name: bPollingCompleted
     description: |
       *Used as output*