Remove broadcast special handling.

pymodbus/device.py

@@ -323,25 +323,22 @@ class ModbusCountersHandler:
     0x0D  3  Return Slave Exception Error Count
 
              Quantity of MODBUS exception error detected by the remote device
-             since its last restart, clear counters operation, or power-up.  It
-             comprises also the error detected in broadcast messages even if an
-             exception message is not returned in this case.
+             since its last restart, clear counters operation, or power-up.
              Exception errors are described and listed in "MODBUS Application
              Protocol Specification" document.
 
     0xOE  4  Return Slave Message Count
 
-             Quantity of messages addressed to the remote device,  including
-             broadcast messages, that the remote device has processed since its
-             last restart, clear counters operation, or power-up.
+             Quantity of messages addressed to the remote device that the remote
+             device has processed since its last restart, clear counters operation,
+             or power-up.
 
     0x0F  5  Return Slave No Response Count
 
              Quantity of messages received by the remote device for which it
              returned no response (neither a normal response nor an exception
              response), since its last restart, clear counters operation, or
-             power-up. Then, this counter counts the number of broadcast
-             messages it has received.
+             power-up.
 
     0x10  6  Return Slave NAK Count
 

pymodbus/pdu/diag_message.py

@@ -534,7 +534,7 @@ class ReturnSlaveMessageCountRequest(DiagnosticStatusSimpleRequest):
     """Return slave message count.
 
     The response data field returns the quantity of messages addressed to the
-    remote device, or broadcast, that the remote device has processed since
+    remote device, that the remote device has processed since
     its last restart, clear counters operation, or power-up
     """
 
@@ -553,7 +553,7 @@ class ReturnSlaveMessageCountResponse(DiagnosticStatusSimpleResponse):
     """Return slave message count.
 
     The response data field returns the quantity of messages addressed to the
-    remote device, or broadcast, that the remote device has processed since
+    remote device, that the remote device has processed since
     its last restart, clear counters operation, or power-up
     """
 
@@ -567,7 +567,7 @@ class ReturnSlaveNoResponseCountRequest(DiagnosticStatusSimpleRequest):
     """Return slave no response.
 
     The response data field returns the quantity of messages addressed to the
-    remote device, or broadcast, that the remote device has processed since
+    remote device, that the remote device has processed since
     its last restart, clear counters operation, or power-up
     """
 
@@ -586,7 +586,7 @@ class ReturnSlaveNoResponseCountResponse(DiagnosticStatusSimpleResponse):
     """Return slave no response.
 
     The response data field returns the quantity of messages addressed to the
-    remote device, or broadcast, that the remote device has processed since
+    remote device, that the remote device has processed since
     its last restart, clear counters operation, or power-up
     """
 

test/sub_client/test_client.py

@@ -432,14 +432,27 @@ async def test_client_execute_broadcast():
             host="127.0.0.1",
         ),
     )
-    request = pdu_bit_read.ReadCoilsRequest(1, 1)
+    request = pdu_bit_read.ReadCoilsRequest(1, 1, slave=0)
     transport = MockTransport(base, request)
     base.ctx.connection_made(transport=transport)
-
-    # with pytest.raises(ModbusIOException):
-    #    assert not await base.async_execute(request)
     assert await base.async_execute(False, request)
 
+
+async def test_client_execute_broadcast_no():
+    """Test the client protocol execute method."""
+    base = ModbusBaseClient(
+        FramerType.SOCKET,
+        3,
+        None,
+        comm_params=CommParams(
+            host="127.0.0.1",
+        ),
+    )
+    request = pdu_bit_read.ReadCoilsRequest(1, 1, slave=0)
+    transport = MockTransport(base, request)
+    base.ctx.connection_made(transport=transport)
+    assert not await base.async_execute(True, request)
+
 async def test_client_protocol_retry():
     """Test the client protocol execute method with retries."""
     base = ModbusBaseClient(