Mitsubishi Input Module AX11

●Input points: 32

●Voltage: AC 100–120V

●Current: 10mA

●Response time: 25ms

●Common terminal: 32 points per common

●Terminal block: 38 points

System program memory stores system programs, including management programs, interpreters, and compilers for user program processing. It consists of read-only memory, used by the manufacturer, with unchangeable content that remains even after power-off.

PLC selection: With the development of PLC technology, various models and series are available, each with different performance, suitable applications, and price. Therefore, PLC selection should consider the best cost-performance ratio while meeting control requirements.

Each scan cycle: Input signals are sampled collectively, and output signals are refreshed collectively. During the input refresh process, when the input port is closed, new states at the input during program execution cannot be read. They are only read during the next scan.

A scan cycle consists of: input sampling, program execution, and output refresh.

The contents of the image register change as the program executes.

The scan cycle length depends on:

●CPU instruction execution speed

●Time required by each instruction

●Number of instructions

Due to the centralized sampling and output method, there is an input/output delay, i.e., input/output response lag.