• 1781-Series Quad Modules are available in all of the field voltages as the 1781-Series of Slim Modules or the WRC4-Series of modules. They provide four I/O circuits in one package with an integral LED for each circuit.
  • 1781-Series of Slim input and output modules and solid-state relays provide compatibility with a variety of manufacturers’ miniature modules. Slim modules have a hold-down screw, and can be used in mounting boards where vibration and shock are not of concern.
  • WRC4 Series Discrete I/O expands WRC’s complete line of discrete I/O modules. These modules provide an indication LED and replaceable fuse. They also meet an industry de facto standard pin-out.