
Configuring a Modbus Plus Network in Concept with Peer Cop
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870USE10110 July 2004
Specifying References for Output Data
Introduction This section describes how to specify the references for output data. In this example,
you will start by accessing the device at Modbus Plus address 3, which is a 170 AD0
340 00 16-point output module.
Device
Requirements
When you use Peer Cop to handle a Modbus Plus I/O architecture, you need to
know which type of I/O you are configuring at each network address and how many
input or output references each device requires. In this example, we will create a
specific output reference with a length of one word (16 bits).
We also will assign a 4x register (400016) as a specific input to the CPU. When the
the 170 ADO 340 00 sends input data to the CPU, it will be sent to this register
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