Mitsubishi PLC in the M auxiliary relay or auxiliary register? What's the difference? 5
M is generally the auxiliary contact, D, Z is the register C is generally described as the time relay. There are a lot of special auxiliary contacts in the Mitsubishi programmer, which are used to distinguish it from the general contacts, such as the M8012!
Mitsubishi PLC in the M called auxiliary register.
PLC to achieve the interface of the on-off and level status information to identify and deal with, they must be converted to the internal computer can identify the variables, these variables are called registers.
According to different models of PLC, commonly used registers
(1) Input register (X / I) - Holds the status of each input interface.
(2) Output register (Y / O) - Saves the status of each output interface.
(3) auxiliary register (R / M). Auxiliary register, also known as the middle register, used to save the operation of the intermediate variable required state. In the PLC from the role of transmission signal
