FX3U-232ADP-MB RS232 Communication Module | Mitsubishi FX3U Series PLC Interface Board

FX3U-232ADP-MB

Mitsubishi FX3U RS232

FX3U-232ADP-MB adapter

FX3U-232ADP-MB

The FX3U-232ADP-MB adapter by Mitsubishi is a dedicated RS232 communication module for FX3U PLCs, enabling reliable serial communication with industrial devices. It supports data exchange, device control, and integration with HMI/SCADA systems. Designed for factory automation, this compact module connects to the FX3U PLC's left side, ensuring stable connectivity in harsh environments.

Specification

SEODescription

The Mitsubishi FX3U-232ADP-MB adapter is a compact communication expansion module designed for FX3U series PLCs, adding a dedicated RS232 interface to enable serial communication with external devices like sensors, HMIs, or PCs. It connects directly to the FX3U base unit without occupying additional I/O slots, supporting protocols such as MODBUS RTU for seamless integration into automation systems. Operating at 5V DC and rated for 0-55°C, it suits industrial environments such as manufacturing, machinery control, and process automation. Its key advantages include plug-and-play installation, robust compatibility with legacy RS232 equipment, and reliable data transmission. However, its limitation lies in lacking modern interfaces like Ethernet or USB, requiring converters for broader connectivity. The FX3U-232ADP-MB is ideal for projects prioritizing cost-effective serial communication without complex networking.

SEOSpecification

Parameter	Specification
Model	FX3U-232ADP-MB
Compatibility	Mitsubishi FX3U series PLC
Interface Type	RS232 serial communication
Protocol Support	No protocol / MODBUS RTU
Baud Rate	300 to 115200 bps
Data Bits	7 or 8 bits
Stop Bits	1 or 2 bits
Parity	None/Even/Odd
Cable Length	Max. 15 meters
Power Supply	5V DC from PLC
Mounting	Direct attachment to PLC
Operating Temp	0°C to 55°C
Dimensions	43 x 90 x 87 mm

SEOQandA

question:Can you provide upgraded or alternative models?
answer:Yes, we offer various upgraded and alternative models with stock availability for fast delivery to meet diverse needs.
question:Can you share shipment photos or purchase dates of similar products?
answer:We provide shipment photos and relevant documentation upon request, ensuring transparency and trust in every transaction.
question:Why should we purchase from your company?
answer:As Asia's leading industrial automation trader with 20+ years' experience, we guarantee reliable products and 85% repeat customers.

SEOQandA_Product

question:FX3U-232ADP-MB communication failure with external device
answer:Verify wiring (cross TX/RX), check baud rate/data/stop bits match, and ensure proper RTS/CTS flow control settings.
question:Incorrect data transmission via FX3U-232ADP-MB
answer:Confirm protocol settings (Modbus RTU/ASCII), check parity/checksum configuration, and validate device addressing alignment.
question:FX3U-232ADP-MB not recognized by PLC
answer:Check module installation order (max 8 expansion units), ensure 24V power supply stability, and reseat the module.
question:Intermittent communication drops using FX3U-232ADP-MB
answer:Shorten cable length (
question:FX3U-232ADP-MB settings reset after power cycle
answer:Use GX Works2 to write parameters to PLC EEPROM, and replace backup battery if voltage drops below 3V.