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A2SHCPU-S1
The A2SHCPU-S1 module is a CPU module made by Mitsubishi. It is used in industrial automation systems to control the flow of programs. It features an execution rate of 0.25 microseconds/step in the refresh mode and 1.9 microseconds/step in the direct mode. It can handle I/O in both refresh and direct modes and supports multiple programming languages, including a dedicated sequence control language. It comes with 192k bytes of RAM and can store 30k steps of program steps in the main sequence program.
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Technical specifications for A2SHCPU-S1
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | CPU module |
| Product Line | A Series |
| Part Number | A2SHCPU-S1 |
| Weight | 0.88 lbs (0.40 kg) |
| Series | A Series CPUs |
| Control method | Sequence program control method |
| I/O control mode | Refresh mode/Direct mode selectable |
| Programming language | Sequence control, Relay symbol, logic symbol, MELSAP-II (SFC) |
| Processing speed (Refresh) | 0.25 microseconds/step |
| Processing speed (Direct) | 1.9 microseconds/step |
| Memory capacity | 192k bytes (built-in RAM) |
| Constant scanning | 10ms and 2000ms in 10ms units |
| Number of I/O device points | 2048 points |
| Number of I/O points | 512 points |
Mitsubishi Electric's A2SHCPU-S1 CPU module is intended for sequence control applications and serves as the core processing unit for a programmable logic controller (PLC) system. The A2SHCPU-S1 can use a sequence program control approach to perform sequential control tasks based on a predefined series of steps. It has two control modes: refresh mode and direct mode. I/O data is refreshed during the scan cycle in the refresh mode, while I/O data is directly accessible during the execution of ladder logic instructions in the direct mode. The ability to switch between different modes provides system flexibility. The A2SHCPU-S1 supports a specific language for sequence control, relay symbol language, logic symbol language, and MELSAP-II (sequential function chart - SFC). These programming languages give you the tools you need to create and implement the control logic and sequences you want. In the refresh mode, the A2SHCPU-S1 has a processing time of 0.25 microseconds per step and 1.9 microseconds per step in the direct method. This processing speed determines the control system's efficiency and responsiveness. Starting with program initialization, the A2SHCPU-S1 offers continual scanning and configurable interval scanning. The scanning interval can be configured in 10 milliseconds increments between 10ms and 2000ms, allowing for precise management and monitoring of linked devices and processes. The CPU module includes 192k bytes of RAM, which serves as storage space for data and program instructions. It can handle a main sequence program with up to 30k steps, which allows for sophisticated control sequences and logic. The A2SHCPU-S1 has 2048 I/O device points and 512 I/O points in total. This provides a wide range of connectivity options for connecting to and controlling a variety of input and output devices in industrial automation systems.
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