Not able to change connection id on Siwarex module

Dear,

i have a problem i don't understand with it my problem is 

We are using 4 numbers of siwarex weighing module wp241 as stand alone module and my all of module is communicating with my s71200 cpu with Modbus TCP (MB Client) communication so now i want to add another one siwarex wp241 weighing module so the condition is all off my module have different ip address and connection id like you can see in the attach pictures and in my programm my default connection id1 is already in use for 1 siwarex module and my new siwarex module also have the default connection id is 1 but i am not be able to change my connection id on my siwarex module i also buy siwatool licence software and i read a lot manuel about siwarex weighing module but untill now am not be able to change my connection id so my question is how i can change my connection id (not IP address ) on siwarex weighing module wp241  .?

i send you some Attachments that can be help you more to undestnad with my question inj pictures of my program using command that can me helping to communicate with my module as modbus tcp MB Client with ethernet connection (NOT RS485 modbus tcp) in the pictures you can clearly see my all weighing module ip address and connection id and i am able to change my module ip address or connection id in my PLC program (MB Client Command)with tha siwatool i can connect with my module i can change my ip but i a can not change my connection id .

thank you.

------------------------------------------------------------------------------------------
Split from Siwarex WP241 & s7-1200 & Modbus TCP.