Momentum Modbus Plus 170 PNT Series Guia do Utilizador Página 211

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Using Peer Cop with Modsoft
870 USE 101 00 V.2.2
199
Defining the Link and Accessing a Node
Overview
When you reach the default Peer Cop screen, a popup menu asks you to define a
link and access a node.
What Is a Link?
The
link
is the Modbus Plus network on which the CPU resides.
The only valid link value for a Momentum M1 CPU is 1. An M1 can function only on
one Modbus Plus network–multiple Modbus Plus links are not supported.
What Is a Node?
The
node
is the Modbus Plus address of one of the I/O devices on the network.
A valid node value in our example is any number in the range 2...5. For our
example, we will first access the170 ADI 340 00 16-point input module at Modbus
Plus address 2.
Note:
Address 1, the network address of the CPU itself, is not a valid node to
access since the CPU does not need to access itself over the network.
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