User guide

Using the Modbus Plus Ports
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870 USE 101 00 V.2.2
Two Types of Modbus Plus Networks,
Continued
What if I Need
Both Types?
If your system requires both supervisory and I/O handling architectures, one
solution is to use a Processor Adapter with I/OBus capabilities as the I/O network
and either a 172 PNN 210 22 or 172 PNN 260 22 Option Adapter with Modbus Plus
for the supervisory network.