diff --git a/modbus/client-serial-modbus.py b/modbus/client-serial-modbus.py
index b6ac4d4..73d6375 100644
--- a/modbus/client-serial-modbus.py
+++ b/modbus/client-serial-modbus.py
@@ -10,6 +10,7 @@ import json
 import argparse
 import time
 from socket import *
+from threading import Timer
 
 import logger
 from pymodbus.client.sync import ModbusSerialClient
@@ -21,8 +22,17 @@ EXCEPT_MSGS = {
     'write':        'ошибка: запись в регистры не выполнена',
     'read_holding': 'ошибка: чтение регистров хранения не выполнено',
     'read_input':   'ошибка: чтение регистров входов не выполнено',
-    '<unknown>':    'ошибка: получена неверная команда'
-}
+    '<unknown>':    'ошибка: получена неверная команда'}
+
+
+def on_timer(*args):
+    sock = args[0]
+    json_encoder = args[1]
+    udp_addr = args[2]
+    udp_port_tx = args[3]
+    tx_data = json_encoder.encode({'code': 'info', 'data': 'ok'})
+    sock.sendto(bytes(tx_data, 'utf-8'), (udp_addr, udp_port_tx))
+    Timer(1, on_timer, args).start()
 
 
 def main():
@@ -52,12 +62,12 @@ def run_sync_client(udp_addr, udp_port_rx, udp_port_tx, serial_port, serial_baud
 
     log.info('подключен к серверу через \"%s\" на скорости %d бод' % (serial_port, serial_baud))
 
+    Timer(1, on_timer, [sock, json_encoder, udp_addr, udp_port_tx]).start()
     while True:
         udp_data = sock.recv(2048)  # Ждать команду от приложения
         udp_data = udp_data.decode('utf-8')
         message = json_decoder.decode(udp_data)  # type: dict
 
-
         if 'code' not in message:
             message['code'] = '<unknown>'
 
@@ -69,21 +79,23 @@ def run_sync_client(udp_addr, udp_port_rx, udp_port_tx, serial_port, serial_baud
             data = message['data']
             rq = client.write_registers(data[0], data[1:], unit=unit_num)
             rc = rq.isError()
+            if not rc:
+                tx_data = json_encoder.encode({'code': 'response', 'data': ''})
+                sock.sendto(bytes(tx_data, 'utf-8'), (udp_addr, udp_port_tx))
         elif message['code'] == 'read_holding':
             data = message['data']
-            print('client_serial_modbus.py: data', data)
-            rq = client.read_holding_registers(data[0], data[1:], unit=unit_num)
+            rq = client.read_holding_registers(data[0], data[1], unit=unit_num)
             rc = rq.isError()
             if not rc:
                 tx_data = json_encoder.encode({'code': 'response', 'data': rq.registers})
-                sock.sendto(bytes(tx_data), (udp_addr, udp_port_tx))
+                sock.sendto(bytes(tx_data, 'utf-8'), (udp_addr, udp_port_tx))
         elif message['code'] == 'read_input':
             data = message['data']
-            rq = client.read_input_registers(data[0], data[1:], unit=unit_num)
+            rq = client.read_input_registers(data[0], data[1], unit=unit_num)
             rc = rq.isError()
             if not rc:
                 tx_data = json_encoder.encode({'code': 'response', 'data': rq.registers})
-                sock.sendto(bytes(tx_data), (udp_addr, udp_port_tx))
+                sock.sendto(bytes(tx_data, 'utf-8'), (udp_addr, udp_port_tx))
         elif message['code'] == '<unknown>':
             rc = False
 
@@ -92,7 +104,7 @@ def run_sync_client(udp_addr, udp_port_rx, udp_port_tx, serial_port, serial_baud
             data = message['data']
             rc_msg = EXCEPT_MSGS[code]
             tx_data = json_encoder.encode({'code': 'exception', 'data': rc_msg})
-            sock.sendto(bytes(tx_data), (udp_addr, udp_port_tx))
+            sock.sendto(bytes(tx_data, 'utf-8'), (udp_addr, udp_port_tx))
             log.error(
                 'ошибка при выполнении команды: \"%s\". данные: \"%s\", порт: \"%s\", скорость: %s'
               % (code, data, serial_port, serial_baud))
diff --git a/modbus/logger.py b/modbus/logger.py
index 3f57212..548dd40 100644
--- a/modbus/logger.py
+++ b/modbus/logger.py
@@ -8,7 +8,7 @@ def get_logger(source_file, log_dir='logs'):
     log_format = '[%(asctime)s] %(module)s:%(lineno)s %(message)s'
     logging.basicConfig(format=log_format)
     log = logging.getLogger()
-    log.setLevel(logging.INFO)
+    log.setLevel(logging.DEBUG)
     file_handler = logging.FileHandler(f'{log_dir}/{source_file}.log')
     file_handler.setFormatter(logging.Formatter(log_format))
     log.addHandler(file_handler)
diff --git a/modbus/server-serial-modbus.py b/modbus/server-serial-modbus.py
index a7fbc52..1eb34be 100644
--- a/modbus/server-serial-modbus.py
+++ b/modbus/server-serial-modbus.py
@@ -60,7 +60,7 @@ def main():
     print_opts_error(opts_unk)
     store = CallbackModbusSlaveContext()
     context = ModbusServerContext(slaves=store, single=True)
-    log.info("серевер-заглушка Modbus serial работает: %s:%d" % (opts.serial_port, opts.serial_baud))
+    log.info("сервер-заглушка Modbus serial работает: %s:%d" % (opts.serial_port, opts.serial_baud))
     StartSerialServer(context=context, framer=ModbusRtuFramer, port=opts.serial_port, timeout=opts.timeout, baudrate=opts.serial_baud)
 
 
diff --git a/scenes/pribor-prd-k/pribor-prd-k.tscn b/scenes/pribor-prd-k/pribor-prd-k.tscn
index e1dda62..f82df2d 100644
--- a/scenes/pribor-prd-k/pribor-prd-k.tscn
+++ b/scenes/pribor-prd-k/pribor-prd-k.tscn
@@ -3,7 +3,7 @@
 [ext_resource type="PackedScene" uid="uid://d3iqb5e4g81m5" path="res://scenes/контроль/элемент-г.tscn" id="1_8dmgr"]
 [ext_resource type="Script" path="res://scenes/контроль/прибор.gd" id="1_ufjwe"]
 [ext_resource type="Texture2D" uid="uid://c4mdrmk7h638f" path="res://data/nine-patch-round.png" id="2_14h25"]
-[ext_resource type="PackedScene" uid="uid://bk1655p4e8y4u" path="res://scenes/контроль/кассета-у-5.tscn" id="3_7orfk"]
+[ext_resource type="PackedScene" uid="uid://cm5jd4gjrrpba" path="res://scenes/контроль/кассета-у-5-к.tscn" id="2_tb85r"]
 [ext_resource type="PackedScene" uid="uid://bkxblfoj7ejv0" path="res://scenes/контроль/блок-а.tscn" id="6_fmhtx"]
 [ext_resource type="PackedScene" uid="uid://dbxdb7lo7kofv" path="res://scenes/контроль/кассета-п-1.tscn" id="7_cjjs2"]
 [ext_resource type="PackedScene" uid="uid://bmagw8nd0ulhj" path="res://scenes/pribor-prd-k/kasseta-fs-kd.tscn" id="7_ia27q"]
@@ -18,6 +18,13 @@ offset_right = 15.0
 offset_bottom = 30.0
 script = ExtResource("1_ufjwe")
 
+[node name="kasseta_u5" parent="." instance=ExtResource("2_tb85r")]
+layout_mode = 0
+offset_left = 175.0
+offset_top = 242.0
+offset_right = 485.0
+offset_bottom = 432.0
+
 [node name="lbl_header" type="Label" parent="."]
 layout_mode = 0
 offset_left = 20.0
@@ -32,36 +39,36 @@ vertical_alignment = 1
 [node name="maa2000_A22" parent="." instance=ExtResource("1_8dmgr")]
 layout_mode = 0
 offset_left = 485.0
-offset_top = 877.0
+offset_top = 907.0
 offset_right = 645.0
-offset_bottom = 942.0
+offset_bottom = 949.0
 fname = "MAA2000"
 rname = "A22"
 
 [node name="dou2_A7" parent="." instance=ExtResource("1_8dmgr")]
 layout_mode = 0
-offset_left = 485.0
-offset_top = 812.0
-offset_right = 645.0
-offset_bottom = 877.0
+offset_left = 8.0
+offset_top = 862.0
+offset_right = 168.0
+offset_bottom = 907.0
 fname = "ДОУ-6"
 rname = "A7"
 
 [node name="maa2000_A23" parent="." instance=ExtResource("1_8dmgr")]
 layout_mode = 0
-offset_left = 15.0
-offset_top = 877.0
-offset_right = 175.0
-offset_bottom = 942.0
+offset_left = 8.0
+offset_top = 907.0
+offset_right = 168.0
+offset_bottom = 949.0
 fname = "MAA2000"
 rname = "A23"
 
 [node name="dou2_A8" parent="." instance=ExtResource("1_8dmgr")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 812.0
-offset_right = 175.0
-offset_bottom = 877.0
+offset_right = 168.0
+offset_bottom = 860.0
 fname = "ДОУ-7"
 rname = "A8"
 
@@ -70,7 +77,7 @@ layout_mode = 0
 offset_left = 175.0
 offset_top = 812.0
 offset_right = 485.0
-offset_bottom = 942.0
+offset_bottom = 949.0
 texture = ExtResource("2_14h25")
 patch_margin_left = 16
 patch_margin_top = 16
@@ -203,9 +210,28 @@ name_min_size1 = Vector2i(35, 20)
 fname = "УМ1535Б"
 rname = "A15"
 
+[node name="utm80_A9" parent="." instance=ExtResource("6_fmhtx")]
+layout_mode = 0
+offset_left = 485.0
+offset_top = 812.0
+offset_right = 645.0
+offset_bottom = 907.0
+value0 = 28.0
+value1 = 57.0
+max_value0 = 99.0
+max_value1 = 99.0
+step0 = 1.0
+step1 = 1.0
+value_name0 = "°C"
+value_name1 = "P, %"
+name_min_size0 = Vector2i(35, 20)
+name_min_size1 = Vector2i(35, 20)
+fname = "УТМ80"
+rname = "A9"
+
 [node name="um1535_A16" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 242.0
 offset_right = 175.0
 offset_bottom = 337.0
@@ -219,14 +245,14 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A16"
 
 [node name="um1535_A17" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 337.0
-offset_right = 175.0
+offset_right = 173.0
 offset_bottom = 432.0
 value0 = 28.0
 value1 = 57.0
@@ -238,12 +264,12 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A17"
 
 [node name="um1535_A18" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 432.0
 offset_right = 175.0
 offset_bottom = 527.0
@@ -257,12 +283,12 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A18"
 
 [node name="um1535_A19" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 527.0
 offset_right = 175.0
 offset_bottom = 622.0
@@ -276,12 +302,12 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A19"
 
 [node name="um1535_A20" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 622.0
 offset_right = 175.0
 offset_bottom = 717.0
@@ -295,12 +321,12 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A20"
 
 [node name="um1535_A21" parent="." instance=ExtResource("6_fmhtx")]
 layout_mode = 0
-offset_left = 15.0
+offset_left = 8.0
 offset_top = 717.0
 offset_right = 175.0
 offset_bottom = 812.0
@@ -314,17 +340,9 @@ value_name0 = "°C"
 value_name1 = "P, %"
 name_min_size0 = Vector2i(35, 20)
 name_min_size1 = Vector2i(35, 20)
-fname = "УМ1535Б"
+fname = "РМ16-20М"
 rname = "A21"
 
-[node name="kasseta_u5" parent="." instance=ExtResource("3_7orfk")]
-layout_mode = 0
-offset_left = 175.0
-offset_top = 242.0
-offset_right = 485.0
-offset_bottom = 432.0
-fname = "Кассета У5"
-
 [node name="kasseta_fs_kd" parent="." instance=ExtResource("7_ia27q")]
 layout_mode = 0
 offset_left = 175.0
diff --git a/scenes/pribor-prd-n/pribor-prd-n.tscn b/scenes/pribor-prd-n/pribor-prd-n.tscn
index 1a1c81c..e8e9d7e 100644
--- a/scenes/pribor-prd-n/pribor-prd-n.tscn
+++ b/scenes/pribor-prd-n/pribor-prd-n.tscn
@@ -3,7 +3,7 @@
 [ext_resource type="Script" path="res://scenes/контроль/прибор.gd" id="1_mcea3"]
 [ext_resource type="PackedScene" uid="uid://d3iqb5e4g81m5" path="res://scenes/контроль/элемент-г.tscn" id="2_lpj3d"]
 [ext_resource type="Texture2D" uid="uid://c4mdrmk7h638f" path="res://data/nine-patch-round.png" id="4_i1no5"]
-[ext_resource type="PackedScene" uid="uid://bk1655p4e8y4u" path="res://scenes/контроль/кассета-у-5.tscn" id="5_ej152"]
+[ext_resource type="PackedScene" uid="uid://bk1655p4e8y4u" path="res://scenes/контроль/кассета-у-5-нв.tscn" id="5_ej152"]
 [ext_resource type="PackedScene" uid="uid://cd5sue1e8iyrv" path="res://scenes/pribor-prd-n/kasseta-fs-nd.tscn" id="6_1p3pi"]
 [ext_resource type="PackedScene" uid="uid://dbxdb7lo7kofv" path="res://scenes/контроль/кассета-п-1.tscn" id="7_klldp"]
 [ext_resource type="PackedScene" uid="uid://bkxblfoj7ejv0" path="res://scenes/контроль/блок-а.tscn" id="8_u7eqo"]
diff --git a/scenes/pribor-prd-v/pribor-prd-v.tscn b/scenes/pribor-prd-v/pribor-prd-v.tscn
index c1b9fe1..359d924 100644
--- a/scenes/pribor-prd-v/pribor-prd-v.tscn
+++ b/scenes/pribor-prd-v/pribor-prd-v.tscn
@@ -3,7 +3,7 @@
 [ext_resource type="Script" path="res://scenes/контроль/прибор.gd" id="1_dl7rt"]
 [ext_resource type="PackedScene" uid="uid://d3iqb5e4g81m5" path="res://scenes/контроль/элемент-г.tscn" id="2_xpo4b"]
 [ext_resource type="Texture2D" uid="uid://c4mdrmk7h638f" path="res://data/nine-patch-round.png" id="3_wyy1b"]
-[ext_resource type="PackedScene" uid="uid://bk1655p4e8y4u" path="res://scenes/контроль/кассета-у-5.tscn" id="4_gl2bl"]
+[ext_resource type="PackedScene" uid="uid://bk1655p4e8y4u" path="res://scenes/контроль/кассета-у-5-нв.tscn" id="4_gl2bl"]
 [ext_resource type="PackedScene" uid="uid://cd5sue1e8iyrv" path="res://scenes/pribor-prd-n/kasseta-fs-nd.tscn" id="5_nhd2k"]
 [ext_resource type="PackedScene" uid="uid://dbxdb7lo7kofv" path="res://scenes/контроль/кассета-п-1.tscn" id="6_d3awr"]
 [ext_resource type="PackedScene" uid="uid://bkxblfoj7ejv0" path="res://scenes/контроль/блок-а.tscn" id="7_e22c6"]
diff --git a/scenes/контроль/кассета-у-5-к.tscn b/scenes/контроль/кассета-у-5-к.tscn
new file mode 100644
index 0000000..b32a91c
--- /dev/null
+++ b/scenes/контроль/кассета-у-5-к.tscn
@@ -0,0 +1,74 @@
+[gd_scene load_steps=4 format=3 uid="uid://cm5jd4gjrrpba"]
+
+[ext_resource type="Texture2D" uid="uid://c4mdrmk7h638f" path="res://data/nine-patch-round.png" id="1_bdojw"]
+[ext_resource type="Script" path="res://scenes/контроль/кассета.gd" id="2_csgh4"]
+[ext_resource type="PackedScene" uid="uid://p2suppildvq0" path="res://scenes/контроль/элемент-в.tscn" id="3_wtlpi"]
+
+[node name="kasseta_u5" type="NinePatchRect"]
+offset_right = 310.0
+offset_bottom = 190.0
+texture = ExtResource("1_bdojw")
+patch_margin_left = 16
+patch_margin_top = 16
+patch_margin_right = 16
+patch_margin_bottom = 16
+script = ExtResource("2_csgh4")
+
+[node name="lbl_fname" type="Label" parent="."]
+self_modulate = Color(1, 1, 1, 0.62)
+layout_mode = 0
+offset_left = 5.0
+offset_top = 7.0
+offset_right = 305.0
+offset_bottom = 35.0
+text = "Кассета"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="ref_A31" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 5.0
+offset_top = 32.0
+offset_right = 55.0
+offset_bottom = 182.0
+fname = "ИП5-25"
+rname = "A31"
+
+[node name="ref_A37" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 55.0
+offset_top = 32.0
+offset_right = 105.0
+offset_bottom = 182.0
+fname = "ЯУ-07Б"
+rname = "A37"
+
+[node name="ref_A33" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 105.0
+offset_top = 32.0
+offset_right = 155.0
+offset_bottom = 182.0
+fname = "ЭМС-Г"
+rname = "A33"
+
+[node name="ref_A34" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 155.0
+offset_top = 32.0
+offset_right = 205.0
+offset_bottom = 182.0
+fname = "УГ"
+rname = "A34"
+
+[node name="ref_A35" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 205.0
+offset_top = 32.0
+offset_right = 255.0
+offset_bottom = 182.0
+fname = "УКП"
+rname = "A35"
+
+[node name="ref_A36" parent="." instance=ExtResource("3_wtlpi")]
+offset_left = 254.0
+offset_top = 32.0
+offset_right = 304.0
+offset_bottom = 182.0
+fname = "УКП"
+rname = "A36"
diff --git a/scenes/контроль/кассета-у-5.tscn b/scenes/контроль/кассета-у-5-нв.tscn
similarity index 95%
rename from scenes/контроль/кассета-у-5.tscn
rename to scenes/контроль/кассета-у-5-нв.tscn
index 61cab59..99f0631 100644
--- a/scenes/контроль/кассета-у-5.tscn
+++ b/scenes/контроль/кассета-у-5-нв.tscn
@@ -31,7 +31,7 @@ offset_top = 32.0
 offset_right = 55.0
 offset_bottom = 182.0
 fname = "ИП5-25"
-rname = "A31"
+rname = "A24"
 
 [node name="ref_A37" parent="." instance=ExtResource("3_picsk")]
 offset_left = 55.0
@@ -39,7 +39,7 @@ offset_top = 32.0
 offset_right = 105.0
 offset_bottom = 182.0
 fname = "ЯУ-07Б"
-rname = "A37"
+rname = "A30"
 
 [node name="ref_A33" parent="." instance=ExtResource("3_picsk")]
 offset_left = 105.0
@@ -47,7 +47,7 @@ offset_top = 32.0
 offset_right = 155.0
 offset_bottom = 182.0
 fname = "ЭМС-Г"
-rname = "A33"
+rname = "A26"
 
 [node name="ref_A34" parent="." instance=ExtResource("3_picsk")]
 offset_left = 155.0
@@ -55,7 +55,7 @@ offset_top = 32.0
 offset_right = 205.0
 offset_bottom = 182.0
 fname = "УГ"
-rname = "A34"
+rname = "A27"
 
 [node name="ref_A35" parent="." instance=ExtResource("3_picsk")]
 offset_left = 205.0
@@ -63,7 +63,7 @@ offset_top = 32.0
 offset_right = 255.0
 offset_bottom = 182.0
 fname = "УКП"
-rname = "A35"
+rname = "A29"
 
 [node name="ref_A36" parent="." instance=ExtResource("3_picsk")]
 offset_left = 254.0
@@ -71,4 +71,4 @@ offset_top = 32.0
 offset_right = 304.0
 offset_bottom = 182.0
 fname = "УКП"
-rname = "A36"
+rname = "A28"
diff --git a/scripts/modbus.gd b/scripts/modbus.gd
index 62139b3..46730f3 100644
--- a/scripts/modbus.gd
+++ b/scripts/modbus.gd
@@ -2,7 +2,6 @@ class_name mod_bus extends Node
 
 const ONLINE_TIMEOUT = 5.0   ## Время ожидания пакета от ячейки, секунды.
 
-
 class ModbusClient:
 
     ## Состояние автомата выполнения команды.
@@ -24,13 +23,12 @@ class ModbusClient:
     static var json_conv: = JSON.new()
 
     signal command_done()             ## Вызывается при успешном выполнении команды.
-    signal command_fail()             ## Вызывается при возникновении ошибки во время выполнения команды.
-    signal line_changed()             ## Вызывается при смене состояния связи с ячейкой.
+    signal command_fail(unit: ModbusClient)             ## Вызывается при возникновении ошибки во время выполнения команды.
+    signal line_changed(unit: ModbusClient)             ## Вызывается при смене состояния связи с ячейкой.
     signal data_received()            ## Вызывается при приёме сообщения, до его разбора.
     signal parse_failed(msg: String)  ## Вызывается при возникновении ошибки во время разбора пакета. Передаёт сообщение об ошибке.
 
-    signal holding_received(addr: int, data: Array)  ## Вызывается при получении сообщения c данными из регистров хранения.
-    signal input_received(addr: int, data: Array)    ## Вызывается при получении сообщения c данными из регистров входов.
+    signal responce_received(addr: int, data: Array)  ## Вызывается при получении сообщения c данными из регистров хранения.
     signal info_received(msg: String)                ## Вызывается при получении информационного сообщения.
     signal except_received(msg: String)              ## Вызывается при получении сообщения об исключительной ситуации.
 
@@ -43,10 +41,10 @@ class ModbusClient:
     func process(tick: int):
         if online and ((tick - tick_rx) > ONLINE_TIMEOUT):
             online = false
-            emit_signal('line_changed')
+            emit_signal('line_changed', self)
             if (cmd_state == CmdState.WAIT) or (cmd_state == CmdState.SEND):
-                #cmd_state = CmdState.FAIL
-                emit_signal('command_fail')
+                cmd_state = CmdState.FAIL
+                emit_signal('command_fail', self)
         var rc = Error.ERR_BUSY
         if cmd_state == CmdState.SEND:
             rc = Error.OK
@@ -61,7 +59,7 @@ class ModbusClient:
         tick_rx = tick
         if not online:
             online = true
-            emit_signal('line_changed')
+            emit_signal('line_changed', self)
         var utf8_data = data.get_string_from_utf8()
         if Error.OK == json_conv.parse(utf8_data):
             emit_signal('data_received')
@@ -71,14 +69,10 @@ class ModbusClient:
                 var message_code = message['code']
                 var message_data = message['data']
                 match message_code:
-                    'read_input':
+                    'response':
                         var addr = message_data[0]
                         var regs = message_data.slice(1)
-                        emit_signal('input_received', addr, regs)
-                    'read_holding':
-                        var addr = message_data[0]
-                        var regs = message_data.slice(1)
-                        emit_signal('holding_received', addr, regs)
+                        emit_signal('responce_received', addr, regs)
                     'info':
                         var msg = message['data']
                         emit_signal('info_received', msg)
@@ -95,7 +89,7 @@ class ModbusClient:
                     emit_signal('command_done')
                 elif (cmd_state == CmdState.WAIT) and (not rc):
                     cmd_state = CmdState.FAIL
-                    emit_signal('command_fail')
+                    emit_signal('command_fail', self)
         else:
             var message = json_conv.get_error_message()
             emit_signal('parse_failed', message)
@@ -115,7 +109,7 @@ class ModbusClient:
     ## [param addr] - Начальный адрес регистров.[br]
     ## [param count] - Количество регистров от начального адреса.[br]
     func read_holdind(addr: int, count: int = 1) -> bool:
-        #if cmd_state != CmdState.DONE: return false
+        if cmd_state != CmdState.DONE: return false
         var json_dict = {'code': 'read_holding', 'data': [addr, count]}
         tx_data = JSON.stringify(json_dict).to_utf8_buffer()
         cmd_state = CmdState.SEND
diff --git a/scripts/repnetwork.gd b/scripts/repnetwork.gd
index 14408ad..bbf065f 100644
--- a/scripts/repnetwork.gd
+++ b/scripts/repnetwork.gd
@@ -67,6 +67,7 @@ func _ready() -> void:
     poll_sockets.append(create_socket('уарэп-яу07-частный'))
     poll_sockets.append(create_socket('уарэп-яу07-общий'))
     poll_sockets.append(create_socket('уарэп-капсрпб'))
+    poll_sockets.append(create_socket('уарэп-щ3'))
     sock_unicast = poll_sockets[0]
     sock_capsrpb = poll_sockets[2]
 
@@ -84,7 +85,7 @@ func _ready() -> void:
                 dst_ports[unit_key] = settings[2][1]
             else:
                 dst_ports[unit_key] = settings[2][0]
-            
+
         if proto in TCP_PROTO:
             var unit = TCP_PROTO[proto].new(unit_name)
             var unit_key = repsettings.get_unit_key(unit_name)
@@ -94,7 +95,7 @@ func _ready() -> void:
                 unit.connect('command_fail', Callable(logger_page, 'on_command_fail').bind(unit_key))
 
     tcp_sockets.append([create_tcpsocket('уарэп-5п28'), units_tcp[repsettings.get_unit_key('уарэп-5п28')]])
-    
+
     for key in units: log.info('%s %s:%d' % [units[key].name, key[0], key[1]])
     for key in units_tcp: log.info('%s %s:%d' % [units_tcp[key].name, key[0], key[1]])
     for key in dst_ports:
diff --git a/scripts/repsettings.gd b/scripts/repsettings.gd
index dced683..1ab9381 100644
--- a/scripts/repsettings.gd
+++ b/scripts/repsettings.gd
@@ -26,7 +26,7 @@ class_name rep_settings extends Node
 
     # Название | Протокол | Адрес | Порт получения | Порт отправки | Комментарий
     'уарэп-щ3': ['udp-json-mbcs', '127.0.0.1', [48000, 44100], false, true, 'IP-адрес и порты через которые производят обмен сообщения с драйвером клиента Modbus Serial'],
-    
+
     # Название | Протокол | Имя порта | Скорость, бод | Чётность | Комментарий
     'уарэп-спт25-1': ['uart', '/dev/tty2', 115200, false, 'Адрес прибора СПТ-25 (G1)'],
     'уарэп-спт25-2': ['uart', '/dev/tty3', 115200, false, 'Адрес прибора СПТ-25 (G2)'],
diff --git a/scripts/sch3.gd b/scripts/sch3.gd
index 55eedb9..425e5e3 100644
--- a/scripts/sch3.gd
+++ b/scripts/sch3.gd
@@ -1,14 +1,26 @@
 extends Node
 
+var cnt: int = 0
+var rw: bool = true
 
 func _ready():
     var unit_key = repsettings.get_unit_key('уарэп-щ3')
     var unit = repnetwork.units[unit_key]
     var timer = Timer.new()
     add_child(timer)
+    unit.connect('command_fail', Callable(self, 'on_command_fail'))
     timer.connect('timeout', Callable(self, 'on_timer').bind(unit))
     timer.start(1.0)
 
 
 func on_timer(unit):
-    unit.read_holdind(0x0000)
+    cnt +=1
+    if rw:
+        unit.write(0x0000, [cnt])
+    else:
+        unit.read_holdind(0x0000)
+    rw = not rw
+
+
+func on_command_fail(unit):
+    unit.cmd_state = unit.CmdState.DONE