It has 12 main cpu types
Has 28 types of auxiliary modules (digital modules)
It has 16 special modules (analog, temperature, etc.)
External interruption and high speed cantrate
Communication through RS485 and RS232 networks
VB2 has a high capacity for input / output and a special module and suitable design
VB1 has high-speed inputs and outputs
(Input: 2 channels KHZ200 / Output: 2 channels 20 KHZ and 2 channels 200 KHZ)