Nucleus, one of the leading manufacturers and suppliers of automation products and electronic peripherals which are micro controller based which are used in the field of industrial automation, process industries that include chemical, pharmaceutical, laboratories and hospitals. The company endows with opto interface module which is used to interconnect devices in the industrial sectors. Specially the machine is used to expand traditional terminal block i/o by including the blocks with high density used in the electronic connectors. These high quality interface module guarantees superior durability and is available in standard sizes according to the the client`s requirements.