For applications with greater I/O needs or where end devices are located long distances away, Productivity3000 remote I/O modules can simplify system architecture and reduce wiring costs. Up to 16 remote I/O expansion modules can be connected to a single CPU and when combined with local expansion I/O, system capacity increases to over 59,000 I/O points.
Control applications are often broken out into several different machines or sub-systems that all communicate back to a primary PLC CPU. To connect each I/O point from these remote devices to the main CPU would take numerous, extensive wire runs. The Productivity3000 remote I/O module can be installed at the remote device and communicate all I/O signals back to the main PLC using a single Ethernet communication cable. Distributing I/O this way saves installation time, wiring costs, troubleshooting/wire tracing headaches, and makes it much easier if/when remote devices need wiring modifications or need to be relocated.
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