ABB DSMB 172 System Bus Master Module for High-Integrity Distributed Control Automation
ABB DSMB 172 System Bus Master Module for High-Integrity Distributed Control Automation
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Brand:ABB PLC Item No.:ABB DSMB 172 Product Origin:Sweden Product Dimensions:45 × 125 × 115 mm Product Weight:0.50 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The ABB DSMB 172 is a central System Bus Master Module engineered to serve as the primary communication coordinator within ABB Distributed Control Systems (DCS). As the authoritative bus controller, the DSMB 172 manages deterministic data exchange across system busses, I/O modules, and connected field devices, ensuring synchronized process control, real-time diagnostics, and seamless operational performance.
With industrial-grade reliability and robust engineering, this module is designed for continuous 24/7 operation in demanding environments. It provides scalable control capabilities for complex plant architectures, making it an excellent choice for large automation installations, retrofit expansions, and mission-critical process systems.
Technical Specifications
Specification
Details
Brand
ABB
Model
DSMB 172
Module Type
System Bus Master Module
System Platform
ABB Distributed Control Systems
Controller Function
Central Bus Management & Data Coordination
Operating Temperature
−25 °C to +60 °C
Storage Temperature
−40 °C to +85 °C
Relative Humidity
5–95 % (non-condensing)
Cooling Method
Passive (Natural Convection)
Dimensions (W × H × D)
Approx. 45 × 125 × 115 mm
Weight
Approx. 0.50 kg
Mechanical data are provided for system integration planning and panel layout.
Recommended Related Models
To build a comprehensive ABB automation system with scalable control, bus communication, and I/O capability, it is common to pair the DSMB 172 with:
ABB DSBC 176 – Bus Extension Communication Module
ABB DSBB 172B – Communication Interface Module
ABB DSDI 120A – Digital Input Module
ABB DSDO 120 – Digital Output Module
ABB DSDC 110B – Digital Communication Module
Popular ABB Automation Modules
These ABB modules are widely adopted and often used in conjunction with system master modules in industrial applications:
ABB PM866K01 – Processor Unit
ABB CI854A – Communication Interface Module
ABB AI810 – Analog Input Module
ABB DI810 – Digital Input Module
ABB DO810 – Digital Output Module
Applications
The ABB DSMB 172 plays a pivotal role in high-performance automation environments, including:
Central process control in power generation facilities
Coordinated data exchange in petrochemical and chemical plants
Manufacturing automation requiring synchronized system communication
Utilities infrastructure and large-scale industrial installations
Retrofit and expansion projects where scalable bus control is needed
As the bus master, it ensures efficient communication flows and data consistency across I/O networks, enabling reliable system logic execution and real-time operational monitoring.
Advantages
Centralized Bus Management – Coordinates communication across system buses and I/O modules
Deterministic Data Exchange – Ensures reliable timing and synchronization for control logic
Industrial-Grade Durability – Engineered for continuous 24/7 operation in harsh environments
Scalable System Support – Supports growth of control networks without performance degradation
Seamless Integration – Designed for plug-and-play compatibility within ABB DCS platforms
The DSMB 172 strengthens automation architecture integrity, enhancing stability, performance, and operational confidence.
Technical FAQs
1. What is the main function of the ABB DSMB 172?
It operates as the System Bus Master Module, orchestrating communication between I/O modules, busses, and controllers.
2. How is the module mounted?
It installs into a compatible ABB rack or system backplane.
3. What environments is it designed for?
Industrial environments requiring continuous 24/7 operation, such as utilities, process plants, and manufacturing.
4. What temperature range does it support?
It operates reliably between −25 °C and +60 °C.
5. Does the module require an external power supply?
No — power is provided through the system backplane.
6. Is this module used for system expansion?
Yes — it supports scalable bus communication for larger control networks.
7. Which industries commonly deploy this module?
Energy, oil & gas, petrochemical, manufacturing, and utilities sectors.
8. What cooling method does it use?
Passive natural convection—no moving parts required.
9. Can it tolerate high humidity?
Yes — it supports up to 95 % relative humidity (non-condensing).
10. Why choose ABB DSMB 172?
Because it delivers centralized bus coordination, robust system communication integrity, and reliable integration within ABB control ecosystems—making it a trusted choice for high-performance automation infrastructures.