diff --git a/app/src/gen3plus/infos_g3p.py b/app/src/gen3plus/infos_g3p.py
index 470c695..086dcd3 100644
--- a/app/src/gen3plus/infos_g3p.py
+++ b/app/src/gen3plus/infos_g3p.py
@@ -216,7 +216,7 @@ class InfosG3P(Infos):
         self.set_db_def_value(Register.MANUFACTURER, 'TSUN')
         self.set_db_def_value(Register.EQUIPMENT_MODEL, 'TSOL-MSxx00')
         self.set_db_def_value(Register.CHIP_TYPE, 'IGEN TECH')
-        self.set_db_def_value(Register.NO_INPUTS, 4)
+        self.set_db_def_value(Register.NO_INPUTS, 2)
 
     def __hide_topic(self, row: dict) -> bool:
         if 'dep' in row:
diff --git a/app/src/gen3plus/solarman_v5.py b/app/src/gen3plus/solarman_v5.py
index 011f104..355890b 100755
--- a/app/src/gen3plus/solarman_v5.py
+++ b/app/src/gen3plus/solarman_v5.py
@@ -562,14 +562,15 @@ class SolarmanV5(SolarmanBase):
         rated = db.get_db_value(Register.RATED_POWER, 0)
         model = None
         if max_pow == 2000:
+            db.set_db_def_value(Register.NO_INPUTS, 4)
             if rated == 800 or rated == 600:
                 model = f'TSOL-MS{max_pow}({rated})'
             else:
                 model = f'TSOL-MS{max_pow}'
         elif max_pow == 1800 or max_pow == 1600:
+            db.set_db_def_value(Register.NO_INPUTS, 4)
             model = f'TSOL-MS{max_pow}'
         elif max_pow <= 800:
-            self.db.set_db_def_value(Register.NO_INPUTS, 2)
             model = f'TSOL-MS{max_pow}'
 
         if model:
diff --git a/app/tests/test_infos_g3p.py b/app/tests/test_infos_g3p.py
index 0596044..95e24a8 100644
--- a/app/tests/test_infos_g3p.py
+++ b/app/tests/test_infos_g3p.py
@@ -109,7 +109,7 @@ def test_default_db():
     i = InfosG3P(client_mode=False)
     
     assert json.dumps(i.db) == json.dumps({
-        "inverter": {"Manufacturer": "TSUN", "Equipment_Model": "TSOL-MSxx00", "No_Inputs": 4}, 
+        "inverter": {"Manufacturer": "TSUN", "Equipment_Model": "TSOL-MSxx00", "No_Inputs": 2}, 
         "collector": {"Chip_Type": "IGEN TECH"},
         })
 
@@ -271,7 +271,7 @@ def test_build_ha_conf1():
         elif id == 'inv_count_456':
             assert False
 
-    assert tests==7
+    assert tests==5
 
 def test_build_ha_conf2():
     i = InfosG3P(client_mode=False)
@@ -346,7 +346,7 @@ def test_build_ha_conf3():
         elif id == 'inv_count_456':
             assert False
 
-    assert tests==7
+    assert tests==5
 
 def test_build_ha_conf4():
     i = InfosG3P(client_mode=True)
diff --git a/app/tests/test_solarman.py b/app/tests/test_solarman.py
index fa625af..8cb36b1 100755
--- a/app/tests/test_solarman.py
+++ b/app/tests/test_solarman.py
@@ -1468,6 +1468,7 @@ async def test_build_modell_600(my_loop, config_tsun_allow_all, inverter_ind_msg
     m.read()         # read complete msg, and dispatch msg
     assert 2000 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 600 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 4 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MS2000(600)' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     assert '02b0' == m.db.get_db_value(Register.SENSOR_LIST, None)
     assert 0 == m.sensor_list   # must not been set by an inverter data ind
@@ -1487,6 +1488,7 @@ async def test_build_modell_1600(my_loop, config_tsun_allow_all, inverter_ind_ms
     m.read()         # read complete msg, and dispatch msg
     assert 1600 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 1600 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 4 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MS1600' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     m.close()
 
@@ -1500,6 +1502,7 @@ async def test_build_modell_1800(my_loop, config_tsun_allow_all, inverter_ind_ms
     m.read()         # read complete msg, and dispatch msg
     assert 1800 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 1800 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 4 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MS1800' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     m.close()
 
@@ -1513,6 +1516,7 @@ async def test_build_modell_2000(my_loop, config_tsun_allow_all, inverter_ind_ms
     m.read()         # read complete msg, and dispatch msg
     assert 2000 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 2000 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 4 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MS2000' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     m.close()
 
@@ -1526,6 +1530,7 @@ async def test_build_modell_800(my_loop, config_tsun_allow_all, inverter_ind_msg
     m.read()         # read complete msg, and dispatch msg
     assert 800 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 800 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 2 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MS800' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     m.close()
 
@@ -1539,6 +1544,7 @@ async def test_build_modell_900(my_loop, config_tsun_allow_all, inverter_ind_msg
     m.read()         # read complete msg, and dispatch msg
     assert 900 == m.db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
     assert 900 == m.db.get_db_value(Register.RATED_POWER, 0)
+    assert 2 == m.db.get_db_value(Register.NO_INPUTS, 0)
     assert 'TSOL-MSxx00' == m.db.get_db_value(Register.EQUIPMENT_MODEL, 0)
     m.close()
 
@@ -2588,6 +2594,7 @@ async def test_proxy_dcu_cmd(my_loop, config_tsun_dcu1, patch_open_connection, d
         assert l.db.stat['proxy']['AT_Command'] == 0
         assert l.db.stat['proxy']['AT_Command_Blocked'] == 0
         assert l.db.stat['proxy']['Modbus_Command'] == 0
+        assert 2 == l.db.get_db_value(Register.NO_INPUTS, 0)
 
         l.append_msg(dcu_command_rsp_msg)
         l.read() # read at resp