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General| Category | Controller |
|---|---|
| Model | A1SX81 |
| Input Channels/Points | 16 points |
| Input Voltage | 24 V DC |
| Isolation | Photocoupler isolation |
| Operating Temperature | 0 to 55 °C |
| Weight | 0.2 kg |
| Applicable PLC | MELSEC A Series |
| Type | Input Module |
| Mounting | DIN Rail |
| Input Current | 7mA |
Guides users on selecting appropriate modules for their application needs.
Details installation guidelines for the A1S PLC, including cabinet and DIN rail mounting.
Details the A1S CPU module, its functions, and specifications.
Describes CPU base units that house CPU, power supply, and I/O modules.
Explains power supply modules providing 5 VDC to CPU and I/O modules.
Describes input modules as interfaces for external input devices.
Describes output modules interfacing PLC with external output devices.
Identifies components and settings of the AISCPU module.
Outlines a five-step process for selecting an AIS PLC system for application needs.
Provides a flowchart for selecting appropriate input modules based on specifications.
Offers a flowchart to guide the selection of output modules for the system.
Presents a decision tree for choosing special function modules.
Guides users through selecting the correct power supply module.
Details the process for selecting the appropriate base unit based on I/O slot requirements.
Explains how to allocate modules to I/O slots and assign I/O numbers.
Provides practical examples of system configurations and required modules.
Lists unsuitable environments for PLC installation to ensure reliability.
Provides instructions for mounting base units, including ventilation clearance.
Explains the process of fixing base units onto a DIN rail.
Details the steps for attaching a base unit to a DIN rail.
Explains the procedure for installing and removing AIS modules from base units.
Details how to safely remove an AIS module from its base unit.
Provides guidelines for wiring the power supply modules correctly.
Covers cable separation, bundling, and distance for safe and reliable wiring.
Details the connection of surge absorbers for lightning protection.
Provides wiring instructions for connecting external I/O equipment to the PLC.
Explains proper grounding methods for PLC systems.
Explains internal devices like relays, timers, counters used in programming.
Details how input modules interface with external devices and PLC programs.
Explains how output modules control external devices based on PLC program results.
Explains the function and types of timers used in PLC programming.
Describes up-counting counters used for pulse counting in PLC programs.
Explains data registers used for storing numerical data in the PLC.
Lists special relays with predefined functions and their usage.
Introduces relay symbol (ladder) and logic symbolic (instruction list) languages.
Explains binary, decimal, and hexadecimal data representation.
Introduces the classification of instructions into sequence, basic, and application types.
Lists sequence instructions like LD, AND, OR with their functions.
Lists and explains basic instructions like comparison operations.
Lists application instructions like logical product and sum.
Explains sequence instructions like contact and connection instructions.
Details contact instructions such as LD, LDI, AND, ANI for logic operations.
Explains OR and ORI instructions for parallel connection logic.
Describes ladder block series (ANB) and parallel (ORB) connection instructions.
Explains instructions for managing operation results (store, read, clear).
Explains OUT instructions for bit devices, timers, and counters.
Explains SET and RST instructions for device status control.
Details PLS and PLF instructions for pulse output generation.
Explains the CHK instruction for reversing output status and failure checks.
Explains MC and MCR instructions for circuit switching and control.
Explains comparison instructions for numerical magnitude checks.
Details instructions for addition, subtraction, multiplication, and division.
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