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The web site of the Anybus Communicator states that the sub-network can "multi-drop to up to 31 nodes". But the Anybus Configuration Manager limits this to 100 “transactions”. Is this a limitation?

12 Jul 2022

 

 

This article describes the limitation of the Anybus Communicator. 

 

APPLICABLE PRODUCTS 

Anybus Communicator 

 

QUESTION

The web site states that the sub-network can "multi-drop to up to 31 nodes". But the Anybus Configuration Manager limits this to 100 “transactions”. Is this a limitation?

 

ANSWER

Normally a Modbus command requires two “transactions”. If you have many different Modbus commands to each slave, you might reach the limit of 100 transactions on fewer slaves than 31.