diff --git a/IOB-PI/vers3.x/Mapo.zip b/IOB-PI/vers3.x/Mapo.zip
index 43b75ac..1b2dcd9 100644
Binary files a/IOB-PI/vers3.x/Mapo.zip and b/IOB-PI/vers3.x/Mapo.zip differ
diff --git a/IOB-PI/vers3.x/Mapo.zip.md5 b/IOB-PI/vers3.x/Mapo.zip.md5
index 328ffc4..bfbaa48 100644
--- a/IOB-PI/vers3.x/Mapo.zip.md5
+++ b/IOB-PI/vers3.x/Mapo.zip.md5
@@ -1 +1 @@
-62A7CB8F9ACAD5845EEF438CE166A77B
\ No newline at end of file
+DB70E2092CB7BDC266426A6E1B126C23
\ No newline at end of file
diff --git a/IOB-PI/vers3.x/readParallela.py b/IOB-PI/vers3.x/readParallela.py
index 1b48912..1a97dc9 100644
--- a/IOB-PI/vers3.x/readParallela.py
+++ b/IOB-PI/vers3.x/readParallela.py
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
-# readParallela v. 3.1.2 12 Ingressi
+# readParallela v. 3.1.3 8/12 Ingressi
 # - single instance timer
 # - invio multiplo x send eventi accodati
 # - gestione segnali BLINKING
@@ -19,6 +19,7 @@
 # - (2.6.2) Fix in global di to_retry in send_coda per evitare problemi
 # - (3.0.0) Prima versione code-assisted: riformulazione e ottimizzazione globale programma
 # - (3.1.2) Ottimizzazione gestione letture GPIO (sempre code-assisted)
+# - (3.1.3) Fix 12bit output, test 8/12 bit OK
 
 
 import time
@@ -47,7 +48,7 @@ except ImportError:
 
 class ReadParallelaIOB:
     def __init__(self, config_path='IOB.cfg'):
-        self.PROGRAM_NAME = "ReadPar IOB-pi v.3.1.2 (2026)"
+        self.PROGRAM_NAME = "ReadPar IOB-pi v.3.1.3 (2026)"
         self.MAXRETRY = 10
         self.MAX_COUNTER_BLINK = 10
         
@@ -290,13 +291,11 @@ class ReadParallelaIOB:
                 if output_arr[i]:
                     new_value |= (1 << i)
             
+            # Different output for 8 and 12 bit config
             if self.num_params == 8:
                 return f"{new_value:02X}"
             else:
-                # For 12 bits, we want to ensure we don't have leading 0s if not needed, 
-                # but the user's log showed F83, which is a 3-digit hex.
-                # hex(new_value)[2:].upper() is fine.
-                return hex(new_value)[2:].upper()
+                return f"{new_value:03X}"
 
         except Exception as e:
             self.logPro.error(f"Error in readParallelaFiltrata: {e}")
@@ -375,8 +374,11 @@ class ReadParallelaIOB:
         2. Spawns a background daemon thread to empty the Redis queue.
         3. Enters a loop to sample GPIO inputs, apply filters/blinking, and queue changes.
         """
+        
+        self.logPro.info(" ")
         self.logPro.info("-----------------------------")
         self.logPro.info(self.PROGRAM_NAME)
+        self.logPro.info(f"v: {self.num_params} bit")
         self.logPro.info("-----------------------------")
 
         self.setup_gpio()
@@ -391,6 +393,7 @@ class ReadParallelaIOB:
 
         old_value = ''
         self.logPro.info("Starting main loop")
+        self.logPro.info(" ")
         
         while True:
             try: