[GitHub] [plc4x] floka94 opened a new issue, #701: Cannot write singe BOOL or BYTE to PLC with Object PLC Mapping

[GitBox]

floka94 opened a new issue, #701:
URL: https://github.com/apache/plc4x/issues/701

   I am trying to write a single BOOL value to a Siemens S7-400 PLC with the 
OPM Feature.
   
   Here is my Entity:
   
   ```java
   @PlcEntity
   public class NewDataSetReady {
   
       @PlcField("%DB9002:5.0:BOOL")
       public boolean isDataSetReady;
   
       public NewDataSetReady() {
           // For OPC
       }
   
   }
   ```
   
   Here is my write operation:
   
   ```java
   NewDataSetReady newDataSetReady = new NewDataSetReady();
   newDataSetReady .setIsDataSetReady(false);
   NewDataSetReady newDataSetReadyResponse = 
entityManager.write(NewDataSetReady.class, connectionString, newDataSetReady);
   ```
   
   After the write operation i get the following warning and my value is not 
persisted:
   ```bash
   [org.apa.plc.jav.s7.rea.pro.S7ProtocolLogic] (nioEventLoopGroup-2-1) Got an 
error response from the PLC. This particular response code usually indicates 
that PUT/GET is not enabled on the PLC.
   ```
   
   Here is a snapshot from the ISOTCP Protocoll communication between PLC4X and 
S7-400 (from Wireshark):
   
   Write data to PLC:
   
![image](https://user-images.githubusercontent.com/29139420/208043243-7e64d1e5-d81c-4b80-a862-4d7e007a464f.png)
   
   Response from PLC:
   
![image](https://user-images.githubusercontent.com/29139420/208043490-2bbb2efb-cd5d-40cc-8955-4510542cd4c9.png)
   
   I have also tried the whole thing with a single byte, but get the same 
error. For other datatypes like INT the write process works. 
   
   I tried the BIT write operation also on a S7-1500 and it worked.
   
   ---
   PLC4X v. 0.10.0


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