ABB BMIO-01 3AXD50000021262 Modbus I/O Expansion Module

3AXD50000021262 ABB BMIO-01 Modbus I/O Expansion Module

ABB

3AXD50000021262 ABB BMIO-01 Modbus I/O Expansion Module

SKU: 3AXD50000021262

In Stock

Dimensions: 24 × 19 × 5.3 cm
Country of origin: Sweden
Payment: T/T, Western Union
Shipping port: Xiamen

Categories : ABB, ABB Drives, All Products

Tags : Automation I/O Module, Control Cabinet Spare, DCS Communication Module, I/O Expansion Module, Industrial Modbus Module, Modbus I/O, Modbus Interface Module, Remote I/O Interface

1 years warranty

Delivery time: 3-7 business days

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Product Overview

The ABB BMIO-01 (order number 3AXD50000021262) is a Modbus-enabled I/O expansion and interface module used to extend system connectivity in industrial control installations. It is applied where additional I/O handling and Modbus communication are required at the cabinet level, helping connect controllers, remote I/O, and auxiliary equipment using standard Modbus-based architectures.

BMIO-01 is typically used as a service spare or expansion component in ABB automation systems. It should be selected according to the target controller family, required Modbus interface type, and the site’s I/O engineering rules (addressing, termination, grounding, and shielding).

Technical correction note
The source text contains trade/ordering statements that are not consistent (for example “made-to-order” while also “in stock”) and mentions a tariff code 85049090 that conflicts with the header HS code 8537101190. The HS code and logistics values below follow the datasheet header. Also, “Ethernet router” is not a function of this module.

Hardware Parameters

Parameter	Value
Model / Order Code	BMIO-01 / 3AXD50000021262
Product Type	Modbus I/O Expansion Module
System Context	DCS / industrial control cabinets
Condition	Brand New
Status	Active
Availability	In Stock
Origin	Sweden
MOQ	1
Approx. Weight	1.22 kg
Approx. Dimensions	24 × 19 × 5.3 cm
HS Code	8537101190

Integration notes

Confirm the Modbus physical layer (e.g., RS-485/serial variant) and wiring requirements for the intended installation.
Verify supported I/O mapping and addressing method in the controller configuration before commissioning.
Apply correct grounding/shielding practices to maintain communication stability in high-noise cabinet environments.

Industrial Applications

Typical use cases include:

Expanding cabinet I/O capacity where Modbus is used to integrate instruments, motor starters, analyzers, or auxiliary subsystems
Modbus-based retrofits where legacy devices must be retained while upgrading the main control system
Service replacement in installed ABB automation panels to restore field connectivity after module failure
Skid and package control systems requiring a compact Modbus I/O interface to reduce wiring and simplify integration

Commissioning considerations

Validate Modbus node address, baud rate, and termination settings per the site network standard
Perform point-to-point I/O checks after mapping to confirm correct signal direction and scaling (where applicable)
Review diagnostics in the controller/HMI for communication timeouts or invalid register mapping after startup

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