diff --git a/modbus/client-serial-modbus.py b/modbus/client-serial-modbus.py
index b6ac4d4..e55c0a7 100644
--- a/modbus/client-serial-modbus.py
+++ b/modbus/client-serial-modbus.py
@@ -71,15 +71,14 @@ def run_sync_client(udp_addr, udp_port_rx, udp_port_tx, serial_port, serial_baud
             rc = rq.isError()
         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})
diff --git a/scripts/sch3.gd b/scripts/sch3.gd
index 55eedb9..4330cba 100644
--- a/scripts/sch3.gd
+++ b/scripts/sch3.gd
@@ -1,6 +1,5 @@
 extends Node
 
-
 func _ready():
     var unit_key = repsettings.get_unit_key('уарэп-щ3')
     var unit = repnetwork.units[unit_key]