Idec Plc Fa2j Manual May 2026

The FA2J was designed for shallow control boards where space is at a premium. Its modular nature allows users to customize input and output configurations as needed. 6ms per 1K basic instructions.

1K or 4K CMOS-RAM (requires battery) or 4K EEPROM. Programming Logic: Supports both Boolean and ladder logic.

The flat-pack design is specifically for panel mounting in shallow environments. 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 system is built on a modular platform requiring a base plate for expansion. Description Part Number (Examples) Main processing unit (AC or DC models available) PF2J-CPU1E (AC), PF2J-CPU1DCE (DC) Input Modules Options for DC, AC, and 8-bit or 12-bit analog inputs PFJ-N161 (16-pt DC), PFJ-N083 (8-pt AC) Output Modules Relay, transistor (sink/source), and SSR options PFJ-T081 (Relay), PFJ-T082 (Transistor) Base Plate For mounting expansion I/O modules Memory Packs Replaceable plug-in packs for easy program storage PFA-1M21 (1K RAM), PFA-1M14 (4K EEPROM) [Source: 1.2.6] Programming & Software The FA2J was designed for shallow control boards

Programming the FA2J typically requires specific software or a dedicated handheld loader.

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. 1K or 4K CMOS-RAM (requires battery) or 4K EEPROM

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