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FnIO MODBUS Adapter NA-9171, NA-9173
FnIO S-Series
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5.2.5.
MODBUS Address Setup
Each MODBUS Adapter could have a unique address (from 1 to 99) so that it can be addressed independently
from other nodes. The address 0 is reserved to identify a broadcast exchange. No response is returned to broadcast
requests sent by the master.
X 10 (MSD)
X 1 (LSD)
The above figure shows MAC ID 27(=2*10 + 7*1) of a slave node.
MAC ID addresses have to be unique throughout the entire interconnected
networks.