The 750-604 is a Field Side Connection Module provides 0V potential for the outputs of the 8-channel output module 750-530, eliminating external terminal blocks. The 24V supply and 0V potential are derived from the internal power jumper contacts of an adjacent upstream I/O module. A connection of the potentials to the downstream I/O modules is made automatically via the power jumper contacts when snapping the I/O modules together. The 0V potential is available to all eight field side Cage Clamp? connections and the 24V power is passed through without being used by the module.
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