BRX remote I/O controllers are ideal for systems where components are separated by large distances or where an extreme amount of I/O is needed. With these controllers, remote I/O can be located separately from the CPU and linked through Ethernet, Modbus RTU, or Modbus TCP communication.
Many times, control applications are 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 BRX remote I/O modules can be installed at a remote location and communicate all I/O signals back to the main PLC using a single Ethernet or serial 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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The BRX Do-more I/O controller provides easy remote expansion for any Do-more system. Add up to 16 remote I/O racks to your application, for over an additional 4,000 discrete or over 2,000 additional analog I/O points. When using the DMIO controller, all I/O racks will be auto-discovered and seen as native I/O to the system, allowing for instant configuration.
The BRX Ethernet Base Controller can be used to expand any system using DirectLOGIC H2-ERM100s/H4-ERM100s, any Do-more system, and can also be used as a Modbus TCP Server. Up to 16 remote EBC100 racks can be used with DirectLOGIC or Do-more systems and 247 EBC100 racks can be added when using Modbus TCP. That's an additional 63,000 discrete I/O points! The remote I/O will be seen as native to the system unless using Modbus TCP, where the Modbus Read/Write instructions are required for receiving and sending I/O data.
The BRX Modbus I/O slave controller allows any system with a Modbus master/client to expand its I/O capacity. Supporting both Modbus RTU and Modbus TCP protocols, this controller provides up to 31 additional Modbus RTU remote I/O racks and 247 additional Modbus TCP remote I/O racks. With the Modbus TCP option, over 63,000 extra discrete I/O points are possible! When using the MBIO slave controller, I/O data is sent to/from the master using Modbus Read/Write commands. The MBIO slave controller is great for remote expansion with other AutomationDirect PLCs or as a low-cost alternative for 3rd party controllers that support Modbus mastering.
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