diff --git a/IOB-PI/readParallela.py b/IOB-PI/readParallela.py
index ff042c7..476715b 100644
--- a/IOB-PI/readParallela.py
+++ b/IOB-PI/readParallela.py
@@ -107,7 +107,11 @@ class ReadParallelaIOB:
 
         # 1. Determine number of parameters
         try:
-            self.num_params = config.getint('id', 'numParams', fallback=12)
+            val = config.getint('id', 'numParams', fallback=12)
+            if val in [8, 12]:
+                self.num_params = val
+            else:
+                self.num_params = 12
         except ValueError:
             self.num_params = 12
 
@@ -286,7 +290,10 @@ class ReadParallelaIOB:
                 if output_arr[i]:
                     new_value |= (1 << i)
             
-            return hex(new_value)[2:].upper()
+            if self.num_params == 8:
+                return f"{new_value:02X}"
+            else:
+                return hex(new_value)[2:].upper()
 
         except Exception as e:
             self.logPro.error(f"Error in readParallelaFiltrata: {e}")