As the conveyor belt began to move, Leo realized that while the FA2J might be "obsolete" to some, its modular flexibility and rugged design meant it wasn't ready for the scrap heap just yet. Quick Specs for your "Old Reliable" FA2J Specification Up to 128 inputs and 128 outputs Memory Capacity 1K (964 steps) or 4K (3,300 steps) WindLDR (or legacy FA-prg/FA-Mon) Communication RS-232 via specialized interface or finding a wiring diagram for a particular module? Idec FA-2J manual | PLCtalk - Interactive Q & A
The serves as the definitive technical resource for installing, programming, and troubleshooting the IDEC Corporation FA2J (FA-2 Junior) series legacy programmable logic controller. This flat-pack modular control platform provides space-saving industrial automation capabilities for legacy machinery and shallow control panels.
DC Input (Sink Configuration) Example: [ +24V DC ] --------+------- (Field Switch) ------- [ Input Terminal X0 ] | [ -24V DC ] --------+------------------------------ [ COM Terminal ] AC Output (Relay with Snubber) Example: [ AC Live ] ---------------- [ Output Terminal Y0 ] | [ Relay Contact ] | [ AC Neut ] -- ( AC Load ) -- [ Output Terminal COM ] | | +--[ RC Snubber ]+ Grounding Specifications
Mount the flat-pack modules horizontally to maximize heat dissipation. Maintain a minimum clear distance of 50mm around the PLC rack to allow ambient airflow and prevent thermal stress. Power Supply Connections idec plc fa2j manual
If you are in the process of repairing or upgrading your system, it's worth noting that the IDEC FA2J is quite different from newer units like the FT2J touchscreen PLC shown in this tutorial, which feature built-in HMI and different programming interfaces.
Here are some frequently asked questions about the IDEC PLC FA2J manual:
If you need to know how to connect the PLC to a computer for programming or monitoring, I can provide details on the required cable, the COM port settings, or how to troubleshoot communication errors. www.scribd.com IDEC FA2J PLC Specifications Guide | PDF - Scribd As the conveyor belt began to move, Leo
To succeed, focus your strategy on these key areas:
Connect the Functional Earth (FE) and Protective Earth (PE) terminals to a dedicated ground panel bar. Ground resistance must be less than 100 ohms.
The FA2J accommodates both NPN (sink) and PNP (source) sensor configurations. Typically operate at 24V DC. Power Supply Connections If you are in the
LOD X0 ; Check if Input X0 is ON TIM T0 K50 ; Start Timer 0, Preset = 50 (5.0 seconds if 0.1s timebase) Use code with caution.
Unlike modern, web-configured PLCs, the FA2J operates on a proprietary instruction set and specific memory architecture. The manual is not just a suggestion; it is the safety and operational bible for the device. In the manual, you will find:
Supports up to 128 inputs and 128 outputs, with a total maximum capacity of 256 points. Memory Options: 1K or 4K CMOS-RAM (requires battery backup). 4K EEPROM for non-volatile program storage.
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