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Our offices will be closed on Monday, May 29th, in observance of Memorial Day. FedEx paid priority & FREE delivery orders placed before 5:00PM ET on Friday, May 26th will ship same day (if paid for by CC or PO account in good standing). FedEx/UPS ground & freight orders have a 1:00PM ET cutoff. Orders placed after the Friday cutoff times will ship on Tuesday, May 30th.
Need help selecting BRX PLC components?
Use our configuration tool
to configure and order.
All BRX PLC units feature a receptacle for a user-selectable Pluggable Option Module (POM). These hot-swappable POMs can provide an additional serial, Ethernet or USB port for on-demand networking modifications to meet the changing needs of an application.
PLC communication is an ever-changing landscape and to keep up with the choices available, the BRX
PLCs provide customizable communication options. Besides the built-in RS232/485 serial port and the
built-in Ethernet port (on all BX-DM1E models), all the BRX CPUs have an optional slot for an additional
user-selected POM. These hot-swappable POMs are available with RS232 (with and without flow control),
RS422, RS485, USB 2.0, and Ethernet options. These modules can be swapped out as communication needs
change - USB now and Ethernet later, or serial now but USB later, the choice is yours.
Eight POM modules are available:
10/100Base-T Ethernet (RJ45) port - Do-more protocol (1 Mbps max.)
10/100Base-T Ethernet (RJ45) port - MQTT, FTP, Do-more protocol, Modbus TCP, EtherNet/IP and
Ethernet Remote I/O support (for use with Ethernet CPUs only)
RS-232 port w/terminal connection (3-pin)
RS-232 port w/flow control (5-pin)
RS-232 port w/RJ12 connection
RS-485 port (3-pin)
RS-422 port (5-pin)
USB Type B port
For part listings and specifications, go to Shop Now