Mitsubishi Electric A1SH42 Input Output Unit PLC Module

The Mitsubishi Electric A1SH42 operates as a specialized Input Output Unit designed for expansion within programmable logic controller architectures. This module requires a direct current power supply ranging from 12 to 24V DC to maintain consistent signal functionality across installed systems. Detailed electrical ratings indicate a steady-state consumption of 2.5 mA, while the unit supports a maximum capacity of 0.1 A on the designated output terminals. These specifications define the boundary conditions for connecting external field components to the central processing environment, ensuring electrical isolation and reliable state detection for industrial control tasks. Designers reference the 2.5 mA threshold to configure appropriate driver sources, and utilize the 0.1 A limit to calculate safe arrangements for multiple connected points. Adhering to these specific parameters protects the host system from electrical faults and potential voltage drops during continuous operation cycles within a PLC rack. Integration of this unit allows for flexible mapping of discrete signals without necessitating changes to the underlying control software logic, while the fixed electrical properties guarantee predictable performance across varying environmental conditions found in standard manufacturing equipment.