
Programmable Automation Controllers
13-20
Remote I/O Solution
Introduction
APAX and ADAM-5000 series I/O modules can be stacked with APAX and ADAM
controllers to deliver excellent real-time control performance, allowing users to form
centralized control systems. However, many applications require multiple I/O stations
with a certain amount of I/O points, and these stations can be located in different places
to build distributed systems. A lot of industrial fieldbus and real-time Ethernet products
and communication protocols have been developed to satisfy these demands. APAX I/O
modules can link to different networking types through specific APAX coupler modules
to leverage these commonly used industrial networking protocols. For example, using the
APAX-5070 Modbus/TCP coupler, APAX I/O modules can link to Modbus/TCP networks.
With a coupler attached, APAX I/O modules can also function as remote I/O stations, which
can be distributed in different locations for data acquisition and control tasks. All APAX
couplers support both daisy-chain and star topologies as well.
HMIs, embedded automation computers, or PLCs that support the same protocol as the
coupler can control remote APAX I/O modules. By changing coupler module, APAX I/O
modules can link to different fieldbus and real-time Ethernet networks.
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