| FX3U-128MR-ES-A | BASE UNIT WITH 64 INPUTS/64 RELAY OUTPUTS |
| FX3U-80MR-ES-A | BASE UNIT WITH 40 INPUTS/40 RELAY OUTPUTS |
| FX3U-64MR-ES-A | BASE UNIT WITH 32 INPUTS/32 RELAY OUTPUTS |
| FX3U-48MR-ES-A | BASE UNIT WITH 24 INPUTS/24 RELAY OUTPUTS |
| FX3U-32MR-ES-A | BASE UNIT WITH 16 INPUTS/16 RELAY OUTPUTS |
| FX3U-16MR-ES-A | BASE UNIT WITH 8 INPUTS/8 RELAY OUTPUTS |
| FX3U-80MR-DS | BASE UNIT WITH 40 INPUTS/40 RELAY OUTPUTS (DC) |
| FX3U-64MR-DS | BASE UNIT WITH 32 INPUTS/32 RELAY OUTPUTS (DC) |
| FX3U-48MR-DS | BASE UNIT WITH 24 INPUTS/24 RELAY OUTPUTS (DC) |
| FX3U-32MR-DS | BASE UNIT WITH 16 INPUTS/16 RELAY OUTPUTS (DC) |
| FX3U-16MR-DS | BASE UNIT WITH 16 INPUTS/16 RELAY OUTPUTS (DC) |
| FX3U-128MT-ES-A | BASE UNIT WITH 64 INPUTS/64 TRANSISTOR OUTPUTS |
| FX3U-80MT-ES-A | BASE UNIT WITH 40 INPUTS/40 TRANSISTOR OUTPUTS |
| FX3U-64MT-ES-A | BASE UNIT WITH 32 INPUTS/32 TRANSISTOR OUTPUTS |
| FX3U-48MT-ES-A | BASE UNIT WITH 24 INPUTS/24 TRANSISTOR OUTPUTS |
| FX3U-32MT-ES-A | BASE UNIT WITH 16 INPUTS/16 TRANSISTOR OUTPUTS |
| FX3U-16MT-ES-A | BASE UNIT WITH 8 INPUTS/8 TRANSISTOR OUTPUTS |
| FX3U-80MT-DS | BASE UNIT WITH 40 INPUTS/40 RELAY OUTPUTS (DC) |
| FX3U-64MT-DS | BASE UNIT WITH 32 INPUTS/32 RELAY OUTPUTS (DC) |
| FX3U-48MT-DS | BASE UNIT WITH 24 INPUTS/24 RELAY OUTPUTS (DC) |
| FX3U-32MT-DS | BASE UNIT WITH 16 INPUTS/16 RELAY OUTPUTS (DC) |
| FX3U-16MT-DS | BASE UNIT WITH 16 INPUTS/16 RELAY OUTPUTS (DC) |
| FX3U-232-BD | RS-232C SERIAL PORT (1 CH) |
| FX3U-422-BD | RS-422 SERIAL PORT (1 CH) |
| FX3U-485-BD | RS-485 SERIAL PORT (1 CH) |
| FX3U-CNV-BD | FX3UMODULE TRANSFORM UNIT |
| FX3U-USB-BD | USB COMMUNICATION PORT (FOR ALL FX SERIES PLC) |
| FX3U-2HSY-ADP | 2 CHANNELS PULSE TRAIN OUTPUT |
| FX3U-4AD-ADP | 4 CHANNELS A/D |
| FX3U-4AD-PT-ADP | 4 CHANNELS TEMPERATURE INPUTS, PT TYPE |
| FX3U-4AD-TC-ADP | 4 CHANNELS TEMPERATURE INPUTS, THERMAL COUPLE TYPE |
| FX3U-4DA-ADP | 4 CHANNELS D/A |
| FX3U-4HSX-ADP | 4 CHANNELS HIGH SPEED COUNTER |
| FX3U-232ADP | RS232 COMMUNICATION MODULE |
