Our PAC, APAX-5000 Remote I/O, including the APAX-5620, provides an open development architecture with redundant, integrates control, information processing, and networking in a single control system. The APAX-5000 Remote I/O series, also includes the APAX-5620, which features dual controllers for different tasks, making it superior to other PAC products in the market. The APAX-5000 Remote I/O series' versatility, flexibility and scalability can fully satisfy complicated automation industry needs. In addition, This modular Remote I/O have many attractive features to reduce the effort of the engineers, such as redundant capability, high density, clamp type terminal blocks, ID switches, LEDs, writable labels with wiring information, and a flexible expansion topology. Members of the APAX-5000 series include controllers, modular Remote I/Os, backplanes and power supply modules. The APAX-5000 series can also be applied in the batch process production environments like food, beverage, pharmacy, machinery control and critical environmental systems.