1734-OB4E American Rockwell AB Compact Logix PLC communication module.

1734-OB4E American Rockwell AB Compact Logix PLC communication module.1734 Series Model No: 1734-OB4E. The 1734-OB4E output module from Allen-Bradley is a Point I/O 1734 series protected output module. It is designed to be as narrow and compact as possible so that it is easy to install in any system. The 1734-OB4E protected output module comes with 4 output channels on its front panel that are labeled from 0 to 3 and that have their own status indicators. It can support up to 1 Amp of current per output, but the maximum current rating for the whole module should not be higher than 3 Amps. All of the outputs on the 1734-OB4E protected output module are in 1 group.