This guide provides a comprehensive overview of the technical specifications, programming requirements, and hardware configuration typically found in the . Technical Specifications & Key Features
Features 80 timers (10ms), 45 adding counters, and reversible counters.
1K or 4K CMOS-RAM (requires battery) or 4K EEPROM. Programming Logic: Supports both Boolean and ladder logic. idec plc fa2j manual
Critical data including internal relays, shift registers, and counters can be maintained during power loss via internal battery backup. Manual Downloads & Resources
The IDEC FA2J series (often referred to as the FA-2 Junior) is a legacy flat-pack modular programmable logic controller known for its reliability in industrial and marine automation. Although the series has been discontinued by the manufacturer, it remains widely used in existing control panels due to its high-density design and flexible expansion capabilities. This guide provides a comprehensive overview of the
Supports up to 128 inputs and 128 outputs for a total of 256 I/O points.
The PF3S-HL161E is a dedicated handheld loader with a built-in PROM burner for field modifications. Programming Logic: Supports both Boolean and ladder logic
Official physical manuals for the FA2J are increasingly rare, as IDEC has moved much of its documentation for newer series like the to online PDF formats. For specific technical documents, users often rely on: Idec FA-2J manual | PLCtalk - Interactive Q & A
The flat-pack design is specifically for panel mounting in shallow environments.
Available in 100–240V AC and 24V DC CPU models. Hardware Components & Modules