Mitsubishi A1SD62E High-Speed Counter Module for MELSEC-A Series

The Mitsubishi A1SD62E (A1SD62E) is a high-speed counter module designed for use with Mitsubishi MELSEC-A series programmable logic controller systems. This local unit provides precise pulse counting capabilities for demanding motion tracking, positioning, and high-frequency monitoring tasks in automated machinery. The module features a total of four I/O points, configured as two digital input channels and two digital output channels. Each input channel utilizes photocoupler isolation and accommodates input voltage ratings of 5 V DC, 12 V DC, or 24 V DC, supporting high-speed counting frequencies up to 100,000 pulses per second. For automated event triggering, the module incorporates two source-type digital coincidence outputs that provide fast channel-level response based on predefined count values. Engineered for reliable installation inside industrial control panels, the unit mounts directly onto a standard MELSEC-A base unit rack and provides field wiring connectivity through integrated screw clamp terminals.