The diode unit is a device which is used for the connection of the input/output terminals of the industrial PLC and the control device. It can be applied to prevent the reverse current to the industrial control devices as well as to the system to separate the power. Various signal lines can be connected by using the array type product. And it is easy to install, for its size is small.
The number of terminal pins can be determined according to the required system.
As special features, the detachable method for channel is adopted for the convenience of easy handling.