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A2SHCPU-S1

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The A2SHCPU-S1 module is a CPU module manufactured by Mitsubishi Electric. It serves as the central processing unit for a programmable logic controller (PLC) system and is designed for sequence control applications. The A2SHCPU-S1 can operate with a sequence program control method, allowing it to execute sequential control tasks based on a programmed sequence of steps. It supports two control modes: the refresh mode and the direct mode. In the refresh mode, I/O data is refreshed during the scan cycle, while in the direct mode, I/O data is directly accessed during the execution of ladder logic instructions. The selection between these modes offers system flexibility. The programming languages supported by the A2SHCPU-S1 includes a dedicated language for sequence control, relay symbol language, logic symbol language, and MELSAP-II (Sequential Function Chart - SFC). These programming languages provide the necessary tools for creating and implementing the desired control logic and sequences. The A2SHCPU-S1 offers a processing time of 0.25 microseconds per step in the refresh mode and 1.9 microseconds per step in the direct mode. This processing speed determines the efficiency and responsiveness of the control system. The A2SHCPU-S1 supports constant scanning and specified interval scanning starting from program startup. The interval for interval scanning can be set between 10ms and 2000ms in 10ms increments, enabling precise control and monitoring of the connected devices and processes. The CPU module has built-in RAM with a memory capacity of 192k bytes that provides storage space for data and program instructions. It can accommodate a main sequence program with a maximum of 30k steps, allowing for complex control sequences and logic. The A2SHCPU-S1 supports a total of 2048 I/O device points and 512 I/O points. This provides ample connectivity options for connecting to and controlling a wide range of input and output devices in industrial automation systems. Overall, the A2SHCPU-S1 CPU module by Mitsubishi Electric offers powerful processing capabilities, versatile programming language options, flexible control modes, and ample memory and I/O capacity to a PLC system.

Technical Specifications for A2SHCPU-S1

Type:CPU module
Control method:Sequence program control method
I/O control mode:Refresh mode/Direct mode selectable
Programming language:Language dedicated to sequence control, Relay symbol language, logic symbol language, MELSAP-II (SFC)
Processing speed (Refresh):0.25 microseconds/step
Processing speed (Direct):1.9 microseconds/step
Constant scanning (Program start-up with a specified interval):Can be set between 10ms and 2000ms in 10ms units
Memory capacity:192k bytes (built-in RAM)
Program capacity for main sequence program (steps):Max. 30k steps
Number of I/O device points:2048 points
Number of I/O points:512 points

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