The DP/DP coupler is the component of choice to establish communication between 2 DP class 1 masters that control their own specific network.
It consists out of 2 DP slaves which continuously copy the output data to the input data of the other (and vice versa). The slaves have to be integrated in the configuration of the masters (every master controls 1 slave).
The outcome is a mailbox with a maximum of 244 bytes input and 244 bytes output. The networks can have different baudrates and bus parameters. The bus addresses of both slaves can be set by 2 DIP switches.
Application areas
Coupling small machines
Linking networks with different controllers
Coupling PROFIsafe networks to regular networks
Migrating from old control systems to new control systems
Quasi master-master communication