diff --git a/scenes/pribor-prd-k/pribor-prd-k.gd b/scenes/pribor-prd-k/pribor-prd-k.gd
index 6cb74c41..5a49e328 100644
--- a/scenes/pribor-prd-k/pribor-prd-k.gd
+++ b/scenes/pribor-prd-k/pribor-prd-k.gd
@@ -1,4 +1,5 @@
-extends 'res://scenes/контроль/прибор.gd'
+@tool
+extends "res://scenes/контроль/прибор.gd"
 
 const Constants: Dictionary = {
     'IN_BLANK_PRD': 1,
@@ -154,12 +155,9 @@ func on_state_mashine() -> void:
 
 
 func initialize_connections() -> void:
-    signaller.conn(signaller.fs_update_state, Callable(self, 'on_fs_update_state').bind(fs_mapping_k))
-    var unit_key = settings.get_unit_key(get_meta('unit_name')[0])
-    var unit_prd = network.units[unit_key]
-    var currecnt_unit = unit_prd.name
-    var parts = currecnt_unit.split('-')
-    pribor = parts[-1]
+    signaller.conn(signaller.fs_update_state, Callable(self, 'on_fs_update_state'))
+    var unit_name = get_meta('unit_name')[0]
+    var unit_prd = network.get_unit_instance(unit_name)
     unit_prd.connect('data_received', Callable(self, 'on_data_received'))
     unit_prd.connect('line_changed', Callable(self, 'on_line_changed'))
 
@@ -191,10 +189,9 @@ func _enter_tree() -> void:
 
 
 func _exit_tree() -> void:
-    var unit_key = settings.get_unit_key(get_meta('unit_name')[0])
-    var unit_prd = network.units[unit_key]
+    var unit_name = get_meta('unit_name')[0]
+    var unit_prd = network.get_unit_instance(unit_name)
     var prd_module = prd.prd_dict[unit_prd.name]
-
     prd_module.cmd_array.append([unit_prd.CmdCode.WRITE_ISA, [Constants.ADDR_UG_LITERA_1, ug_work_1, Constants.ADDR_UG_LITERA_2, ug_work_2]])
 
 
@@ -455,8 +452,8 @@ func on_fs_update_state(packet_type_7: Dictionary, fs_mapping: Dictionary) -> vo
 
 
 func on_ug_setting() -> void:
-    var unit_key = settings.get_unit_key(get_meta('unit_name')[0])
-    var unit_prd = network.units[unit_key]
+    var unit_name = get_meta('unit_name')[0]
+    var unit_prd = network.units[unit_name]
 
     if unit_prd.isa_ports.has(Constants.ADDR_UG_LITERA_1):
         ug_work_1 = unit_prd.isa_ports[Constants.ADDR_UG_LITERA_1]