Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The FS‑MB‑0002 is a modular bus controller and interface module, designed to act as a robust communication hub in advanced industrial automation systems. It functions as a master or redundant bus controller, managing multiple data streams between field I/O, controllers, and supervisory systems. Built for demanding environments, the FS‑MB‑0002 ensures high availability, deterministic communication, and diagnostic transparency.
This module is ideal for installations requiring high uptime, redundant paths, and scalable bus architectures. It is often used in mission-critical plants, process industries, and large distributed control systems requiring fault tolerance and smooth data flow.
| Parameter | Description |
|---|---|
| Model | FS‑MB‑0002 |
| Bus Role | Master / Redundant Bus Controller |
| Supported Protocols | Industrial fieldbus, proprietary bus, multi‑link |
| Operating Voltage | 24 V DC |
| Power Consumption | ≤ 4.2 W |
| Operating Temperature Range | –20 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Range | 5% to 95% RH, non‑condensing |
| Communication Ports | 2 redundant ports + 1 auxiliary port |
| Redundancy | Hot‑standby support |
| Diagnostics | LED indicators, status registers, error logging |
| Isolation | 1500 V RMS between ports and chassis ground |
| Mounting Type | DIN rail or panel mounting |
| Dimensions (W × H × D) | 145 mm × 120 mm × 85 mm |
| Weight | 1.18 kg |
| Certifications / Compliance | CE, UL, RoHS |
The FS‑MB‑0002 is suited for:
Central bus controller in distributed control systems (DCS)
Redundant network backbone in process industries
Communication hub in oil & gas, petrochemical plants
Supervisory network for water treatment and power plants
Linking field I/O modules and controllers in factory automation
Mission-critical installations requiring high availability
Smart grid and energy distribution control networks
Protocol bridging and bus aggregation in large automation systems
High Redundancy: Dual redundant bus ports with failover capability keep communication alive even under fault conditions.
Deterministic Communication: Ensures predictable latency and throughput even under heavy traffic.
Advanced Diagnostics: Real-time monitoring, error logging, and status reporting simplify maintenance.
Rugged Construction: Tolerates wide temperature, humidity, and harsh industrial environments.
Modular and Scalable: Easily expands with system growth without the need for major redesign.
Isolation and Protection: Built-in isolation protects the module from electrical noise and surges.
Seamless Compatibility: Works transparently with other modules and controllers in the same ecosystem.
Brand: Honeywell
Series / Family: FS‑MB (Fieldbus / Modular Bus)
The FS‑MB‑0002 is part of the FS‑MB family of bus modules, intended to interconnect controllers and I/O in industrial automation architectures.
Here are five modules in the same series or closely related that serve similar or complementary roles:
| Model | Role / Function | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| FS‑MB‑0001 | Primary bus controller module | 24 V DC | 140 × 120 × 80 | 1.10 |
| FS‑MB‑0010 | Multi‑protocol bus interface | 24 V DC | 150 × 125 × 85 | 1.25 |
| FS‑MB‑0020 | High-speed communication module | 24 V DC | 145 × 120 × 80 | 1.20 |
| FS‑MB‑RX‑500 | Remote repeater / extension module | 24 V DC | 130 × 110 × 75 | 0.95 |
| FS‑MB‑GW‑100 | Gateway / protocol converter | 24 V DC | 135 × 115 × 80 | 1.05 |
Here are five widely adopted modules/controllers from the same brand:
| Model | Functionality | Voltage / Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| HC900‑CPU‑20200 | Hybrid logic & process controller | 24 V DC | 150 × 120 × 80 | 1.10 |
| C300 Controller | Process control / automation controller | 24 V DC | 140 × 130 × 75 | 1.25 |
| UDC3500 | Universal digital controller | 100‑240 V AC | 96 × 96 × 120 | 0.90 |
| RM7838B1010 | Relay / output interface module | 24 V AC/DC | 120 × 110 × 60 | 0.75 |
| MX800 I/O Module | Modular input/output expansion module | 24 V DC | 110 × 105 × 70 | 0.80 |
Q1: What is the primary purpose of FS‑MB‑0002?
A1: It serves as a master or redundant bus controller in industrial automation networks, coordinating data traffic among modules, controllers, and field devices.
Q2: Does FS‑MB‑0002 support redundancy?
A2: Yes — it includes dual redundant bus ports to maintain continuous communication during a fault condition.
Q3: What communication protocols can it handle?
A3: It supports common industrial fieldbus and proprietary bus protocols; firmware may enable multiple link types.
Q4: How does the diagnostics system work?
A4: The module offers integrated diagnostics via LED indicators, status registers, error logs, and network health metrics.
Q5: What environmental conditions can it endure?
A5: It operates from –20 °C to +70 °C and in humidity up to 95% noncondensing, plus protection from electrical noise.
Q6: What mounting options are supported?
A6: It can be mounted on DIN rails or panels depending on the system layout and enclosure design.
Q7: How is firmware updated or configured?
A7: Updates and configuration are done through system engineering software or via a centralized control station using the integrated interface.
Q8: How much maintenance does the unit need?
A8: Minimal preventive maintenance: periodic inspection of connectors, cleaning, and ensuring firmware remains current.
Q9: What is the expected service life?
A9: With proper use and environment, the FS‑MB‑0002 can be operational for over a decade.
Q10: Can it coexist with other generations of bus controllers?
A10: Yes, in many systems it is backward-compatible or can be interfaced via gateway modules to older types.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.