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11.5 DP/DP coupling or Gateway mode
A unique feature of the PBS-001 is that it can be used as a DP/DP coupler for up to 10 networks, where each
network can have different bus parameters and baud rates. It connects the networks on an I/O level, where
you can decide how many bytes need to be transferred. For each network a PBS-001 is needed. So if you wish
to connect 2 networks, you need 2 PBS-001 modules in one ComBricks set.
A typical ComBricks configuration for a DP/DP setup may look like Fig. 70:
Fig. 70 - ComBricks configuration screenshot
of the web server
Slot 1 belongs to Network 1. Slot 2 is connected to Network 2. These networks can now be coupled via the
configuration tools of each master. For example, if you want to transfer 4 bytes, the setup for the configuration
tool of network 1 will look as follows:
Fig. 72 - Configuration for Network 1
The first slot is used for the PBS-001 module. The next slot is used for anther PBS-001 module, but a gateway
module must be selected because the PBS-001 itself does not have any I/O.
ComBricks User Manual v6.4.0 | January 18| © PROCENTEC
Example layout
Network 1
12 Mbit
i 10..13
Q 10..13
i 20..23
Q 20..23
Network 2
500 kbps
Fig. 71 - Schematic representation
of the gateway
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