The flat-pack design is specifically for panel mounting in shallow environments.
The FA2J is often compared to the Square-D Symax Model 50, which was a re-badged version of the IDEC FA1J. Users often refer to Symax 50 documentation for overlapping basic instruction sets. Installation & Maintenance idec plc fa2j manual
Programming the FA2J typically requires specific software or a dedicated handheld loader. The flat-pack design is specifically for panel mounting
A computer interface link adapter (PF2-CLA) and specific link cables (PFA-1A51) are required to connect the PLC to an IBM-compatible PC. idec plc fa2j manual