EX series card-type I/O consists of adapter module, I/O module, power supply module and terminal module. The adapter supports a variety of communication bus, adapted to mainstream manufacturers, seamless access to mainstream protocols, users can choose according to the actual needs of the scene; compact design, high integration, compact size, more space-saving cabinet, for volume requirements of more demanding scenes; stable connection, the module adopts a snap lock brown bear design, compared with the patch type to improve the stability of 1 times; I / O module type is rich in support of a wide range of signal types such as Digital, analogue, function modules, communication modules, etc.; after more stringent EMC and high and low temperature testing, stable and reliable operation, is the best choice for automation solutions.