Исправление. Определение на связи/отключен

scenes/pribor-uyep/sch3-view.gd

@@ -43,13 +43,12 @@ class StackItem:
 func on_data_received(_data: PackedByteArray): pass
 
 
-## Обработчик таймера
-func _on_timeout(unit_sch3) -> void:
+func _on_timeout(unit_sch3, mbc: ModbusClientRtu) -> void:
+    push_warning(step_fsm)
     if step_fsm == Sch3Fsm.WRITE:
         if write_stack.size():
             var ad = write_stack.pop_front()
-            if not unit_sch3.write(ad.addr, ad.data):
-                write_stack.push_back(ad)
+            mbc.write(ad.addr, ad.data)
         step_fsm = Sch3Fsm.READ_INPUT
     elif step_fsm == Sch3Fsm.READ_INPUT:
         unit_sch3.read_input(base_input_address, regs_input_count)
@@ -58,8 +57,7 @@ func _on_timeout(unit_sch3) -> void:
         unit_sch3.read_holding(base_holding_address, regs_holding_count)
         step_fsm = Sch3Fsm.WRITE
     elif step_fsm == Sch3Fsm.CONNECT:
-        var unit_key = settings.get_unit_key(unit_sch3.name)
-        var mbc = network.mbcs[unit_key]
+        mbc.queue_clear()
         mbc.flush()
         mbc.try_reconnect()
         mbc.request_read(base_input_address, regs_input_count)
@@ -102,7 +100,8 @@ func _ready() -> void:
     unit_sch3.connect('resp_input', on_resp_input)
     unit_sch3.connect('resp_holding', on_resp_holding)
     unit_sch3.connect('command_fail', on_command_fail)
-    timer.connect('timeout', _on_timeout.bind(unit_sch3))
+    var mbc = network.mbcs[unit_key]
+    timer.connect('timeout', _on_timeout.bind(unit_sch3, mbc))
     add_child(timer)
     timer.start(request_period)