diff --git a/IOB-WIN-NEXT/DATA/CONF/PIZ04_MBlock.json b/IOB-WIN-NEXT/DATA/CONF/PIZ04_MBlock.json
index 971a07bd..96d8f415 100644
--- a/IOB-WIN-NEXT/DATA/CONF/PIZ04_MBlock.json
+++ b/IOB-WIN-NEXT/DATA/CONF/PIZ04_MBlock.json
@@ -1,7 +1,7 @@
 {
   "ReadBlocks": {
     "40001": 64,
-    "40421": 72,
+    "40421": 64,
     "40901": 8
   }
 }
\ No newline at end of file
diff --git a/IOB-WIN-NEXT/DATA/CONF/PIZ05_MBlock.json b/IOB-WIN-NEXT/DATA/CONF/PIZ05_MBlock.json
index 971a07bd..96d8f415 100644
--- a/IOB-WIN-NEXT/DATA/CONF/PIZ05_MBlock.json
+++ b/IOB-WIN-NEXT/DATA/CONF/PIZ05_MBlock.json
@@ -1,7 +1,7 @@
 {
   "ReadBlocks": {
     "40001": 64,
-    "40421": 72,
+    "40421": 64,
     "40901": 8
   }
 }
\ No newline at end of file
diff --git a/IOB-WIN-NEXT/DATA/CONF/PIZ09_MBlock.json b/IOB-WIN-NEXT/DATA/CONF/PIZ09_MBlock.json
new file mode 100644
index 00000000..96d8f415
--- /dev/null
+++ b/IOB-WIN-NEXT/DATA/CONF/PIZ09_MBlock.json
@@ -0,0 +1,7 @@
+{
+  "ReadBlocks": {
+    "40001": 64,
+    "40421": 64,
+    "40901": 8
+  }
+}
\ No newline at end of file