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One-stop control system solution

Sufficient product inventory, efficient transportation links, saving you a lot of costs

One-stop control system solution

Sufficient product inventory, efficient transportation links, saving you a lot of costs

Welcome to Swan

YOUR FULL-SERVICE INDUSTRIAL AUTOMATION & ELECTRICAL CONTRACTOR

Stable Supply Chain
Reliable Logistics
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ABB
- AC500
- AC500-eCo
- AC500-S
- AC500-XC
- AC31
- Robot Spare Parts
- 800xA
- Freelance
- AC800M
- Bailey
Allen Bradley
SIEMENS
Honeywell
- C200/C200E
- C300
- TDC 3000
- HC900
- FSC
Bently Nevada
Schneider Electric
Emerson
B&R
- X20 Compact-S PLC
- ACOPOS
BECKHOFF
- EtherCAT
YOKOGAWA
BACHMANN
PILZ
Others
- SICK
- Pepperl+Fuchs
- WAGO
- YASKAWA
- HIMA
- MOXA
- OMRON
- Mitsubishi
- Panasonic
- Rexroth
- Lenze
- Danfoss
- Festo
- SMC
- Prosoft

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Supply High Quality Products

More than 15 years of experience

We achieve this by working closely with our clients, seeking to truly understand their requirements.

SWAN ELECTRIC CO.,LIMITED is a supplier of industrial automation spare parts located in China. We are not an agent or subsidiary of the brand we sell. We specialize in providing PLC, DCS control system spare parts, drivers, HIM etc. We have a large amount of high-quality inventory and the remaining control system parts. We also provide many new hardware to support your existing installation or utilize the latest technology.We have many brands to choose , no matter what you need, you can find them here. Welcome to call or email for inquiries! We are willing to work with you to maintain the normal production of the factory!

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We sell spare parts for industrial automation control systems and network communication modules.

17
Oct 2025
Final Quarter, Full Speed Ahead: Leverage 2025's Last Window for Your Automation Projects
As we resume full operations following the National Day holidays, SWAN shifts into high gear for the final quarter of 2025. With just over two months remaining in the year, this period is critical for industrial enterprises worldwide to finalize projects, utilize remaining budgets, and secure their supply chains for a strong start to 2026. The fourth quarter is always a race against time. Planning now is the most effective strategy to avoid the common year-end challenges of component shortages, shipping delays, and production hiccups. "Our success is built on the trust and partnership of our clients," said Eric, CEO at SWAN. "The final quarter is not just about closing our books; it's about ensuring our partners can close theirs successfully. We are fully mobilized to help our customers secure the essential automation components they need to meet their year-end goals." To support our global partners, we are focusing on two key areas for the remainder of 2025: Ensuring Project Completion: We are prioritizing orders for critical components—including Rockwell Allen-Bradley, Siemens, ABB, Schneider Electric, and Honeywell PLC/DCS modules—that are needed to keep production lines running and projects on schedule before the year-end shutdowns. Facilitating Year-End Budget Spending: For companies looking to efficiently utilize their 2025 procurement budgets, we offer competitive pricing and authentic, guaranteed components, providing outstanding value and securing inventory for Q1 2026. A Call to Action for Proactive Planning We encourage all our partners and prospective clients to review your project timelines and inventory needs for the remainder of the year. Submitting your BOM (Bill of Materials) or list of required part numbers in the coming weeks will ensure we can provide you with the best possible service, pricing, and delivery timelines. About SWAN SWAN is a trusted partner in industrial automation, specializing in providing authentic and cost-effective PLC, DCS, and drive system components from leading global brands. We are dedicated to helping our clients minimize downtime, reduce costs, and secure their supply chains through reliable sourcing and expert service. Hot-selling Models 3BSE013177R1 LDGRB-01 440R-W23218 TB807 RLM01 3BDZ000398R1 80190-560-01-R TB850 SA801F 3BDH000011R1 086368-002 DAI05 SD802F 3BDH000012R1 3BSE005176R0001 DAO01 23AA20 1KGT004100R5101 SDCS-IOB-21 RFO810 23BA20D GSNE000700R5312 SDCS-POW-4 COAT RFO810 23BE23 1KGT012100R5001 SPBRC300 RMU811 2CDS272001R0104 SPBRC300 RMU811 3ABD00038936 SPIET800 4943013-6 3AUA0000106890 SPNPM22 NPM22 AI820 3BHB003688R0101 3ADT315100R1001 CI820V1

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29
Sep 2025
PLC vs. DCS: A Beginner's Guide to Their Roles in Industrial Automation
In the world of industrial automation, two control systems reign supreme: the Programmable Logic Controller (PLC) and the Distributed Control System (DCS). While they sometimes overlap, each is a master of its own domain. Understanding their core strengths is key to selecting the right technology for your application. In a nutshell, think of the PLC as a "Efficient Executor" and the DCS as a "Coordinating Brain." The PLC: The Master of Discrete Control A PLC is a ruggedized computer designed for fast, deterministic logic and sequential control. Its modular architecture—including a CPU, I/O modules, and communication interfaces—makes it incredibly responsive, flexible, and reliable. PLCs excel at controlling individual machines or specific production cells. Typical PLC Application Scenarios: Discrete Manufacturing: Automotive: Controlling welding robots, conveyor belt sequencing, and assembly arms. Brands like Siemens (with their S7-1500 series) and Allen-Bradley (AB) (with ControlLogix) are industry standards here, providing the high-speed processing needed for precision and throughput. Packaging: Operating fillers, labelers, palletizers, and shrink-wrapping machines. Machine Tools: Managing spindle control, tool changing, and coolant systems in CNC machines. Infrastructure & Building Automation: Elevator Control: A classic application for controlling movement, floor leveling, and door operations. Traffic Systems: Controlling railway platform screen doors and traffic lights. Unit Control in Process Plants: Even in DCS-dominated industries, PLCs handle auxiliary units like boiler sootblowing systems or water treatment filter backwash cycles. The DCS: The Master of Process Control A DCS is a network of controllers distributed throughout a plant but managed from a central location. Its philosophy is "decentralized control, centralized management." It is unparalleled in coordinating and optimizing complex, continuous processes that involve numerous interconnected variables. Typical DCS Application Scenarios: Process Industries (The DCS Battlefield): Oil & Gas: Managing large-scale refinery units like crude distillation and catalytic cracking. ABB's Ability™ System 800xA and Honeywell's Experion® are leaders in this high-stakes environment. Chemicals: Controlling reactors for fertilizer production or polymer polymerization. Power Generation: Coordinating boilers, turbines, and generators in thermal power plants. Safety and reliability are paramount. Pharmaceuticals: Regulating bio-fermenters and active pharmaceutical ingredient (API) production under strict GMP guidelines. The Convergence: The Best of Both Worlds The line between PLC and DCS is blurring. Modern high-end PLCs, like the Allen-Bradley ControlLogix or Siemens S7-1500, now possess the processing power and networking capabilities to handle complex analog control. Simultaneously, DCS vendors like Emerson (DeltaV) and Honeywell (Experi...

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23
Sep 2025
Beyond the Basics: Understanding the Key Roles and Capabilities of the Honeywell C300 Controller
In the world of industrial automation, choosing the right process controller is a foundational decision. For users of Honeywell's Experion® PlantCruise® system, the C300 Process Controller represents a significant evolution from its predecessor, the C200. But what exactly is its purpose, and what makes it the preferred choice for new projects? This article breaks down the core functions of the C300 Controller, highlighting its key advantages and guiding you to the right tasks for implementation. The Core Purpose: A Leap Forward in Control The C300 Controller is designed as a high-performance, distributed process controller and I/O gateway. Its primary purpose is to execute complex control strategies reliably while efficiently managing communication between the supervisory network and field input/output devices. A quick comparison with the earlier C200 controller reveals a philosophy of integration and simplification: Feature C200 Controller C300 Controller Form Factor Chassis-based with multiple plug-in modules Compact, single module that plugs into an IOTA User Memory 4MB 16MB Redundancy Requires two chassis and Redundancy Modules (RMs) Built-in, requires only a second controller and cable I/O Links Requires a separate IOLINK module Two redundant I/O Link interfaces are built-in Supervisory Network Requires separate plug-in modules for FTE or ControlNet FTE and Ethernet interfaces are built-in As the table shows, the C300 integrates key functionalities directly into the controller, reducing hardware complexity, cabinet space, and potential points of failure. Designed for Specific Applications The C300 platform is versatile, with variants tailored for different needs: C300 (50ms Controller): The standard controller for a wide range of process applications, supporting Experion's full library of function blocks. C300 (20ms CEE Controller): A specialized version for Honeywell Turbine Control Solutions, offering faster execution speeds and support for specific modules like the Speed Protection Module (SPM) and Servo Valve Positioner Module (SVPM). What Can You Do with a C300 Controller? The C300's design simplifies a wide range of engineering and operational tasks. Whether you are planning a new system or maintaining an existing one, the controller is built to assist with: Planning & Design: Understanding its hardware components and performance data for accurate system sizing. Installation & Wiring: Streamlined physical installation and cabling. Configuration: Using Control Builder to create controller, CEE, and IOLINK function blocks. Operation: Monitoring status via faceplate indicators, activating control strategies, and managing redundancy. Maintenance & Troubleshooting: Performing routine checks, replacing components, and diagnosing faults. From converting a non-redundant controller to a redundant pair, to assigning I/O modules and loading control strategies, the C300 provides a robust and i...

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16
Sep 2025
Heads-up: Plan Your Q4 Supply Chain Around China's Extended National Day Closure
Global partners are advised to finalize orders and payments in September to mitigate delays from the 8-day holiday. [Wuhan, China] – With China's extended National Day and Mid-Autumn Festival holiday approaching, [SWAN ELECTRIC CO., LTD] is issuing an advisory to our global partners to facilitate seamless supply chain planning. The holiday period, spanning from October 1st to October 8th, 2025, represents one of the longest annual production and operational shutdowns in the region. This extended closure will impact manufacturing, logistics, customs clearance, and administrative functions across the country. To minimize potential disruptions to your Q4 projects and inventory, we recommend taking proactive measures throughout September. Key actions include: Finalizing Procurement Orders: Ensure all new purchase orders are confirmed and entered into our shipping system no later than September 30th. This allows us to allocate capacity and schedule your shipments before the hiatus. Settling Outstanding Invoices: Processing all pending payments prior to October 1st is essential to avoid payment-related holds and ensure immediate order progression upon our return. "This extended break requires advanced planning to maintain supply chain fluidity," said Eric, our manager at SWAN. "Communicating your needs by the end of September is the most effective strategy for avoiding unforeseen delays and ensuring a strong finish to the year." SWAN's operations will be paused from October 1st to October 8th, 2025, with full operations resuming on October 9th, 2025. We encourage all partners to connect with our team before the September deadline. About SWAN SWAN ELECTRIC CO., LTD is a leading provider of [PLC/DCS], dedicated to delivering quality and reliability to a global clientele. We pride ourselves on transparent communication and building resilient partnerships.

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12
Sep 2025
Emerson Launches New PACSystems™ RX3i CPS400 Safety Controller, Simplifying SIL2 System Integration
As industrial automation systems become increasingly complex, efficiently and reliably implementing safety functions while meeting international safety standards has become a key challenge for many equipment manufacturers and system integrators. To address this need, Emerson, a global leader in industrial automation technology, recently launched the new PACSystems™ RX3i CPS400 safety controller, providing a high-performance, easy-to-integrate safety control solution for infrastructure, fire and gas detection, burner management systems, and other emergency shutdown systems. This new safety controller boasts a compact design and exceptional performance, supporting up to 2,000 I/O points and offering excellent scalability, flexibly addressing diverse needs, from small devices to plant-wide distributed safety systems. Its large 64MB memory and support for multiple industrial communication protocols (including OPC UA, Ethernet Global Data, and Modbus TCP) enable efficient peer-to-peer communication between devices and seamless integration with higher-level information systems, providing users with full operational visibility. With industrial cybersecurity gaining increasing attention, the PACSystems RX3i CPS400 utilizes a "secure-by-design" approach, integrating Secure Boot® functionality and a Trusted Platform Module (TPM) to provide a robust protection barrier for critical control data and effectively defend against potential threats. Furthermore, the controller offers both standalone and redundant configurations. Pre-certified safety function blocks and system templates significantly simplify the IEC 61511 system certification process, helping users reduce project development cycles and overall costs. As an IEC 61508-certified SIL2 safety solution, it offers standardized and reliable connectivity with Emerson's VersaMax™ SafetyNet I/O system, enabling the creation of a highly available protection architecture for complex applications. Developers can continue to use the familiar PAC Machine Edition integrated development environment for configuration, enabling unified development from PLCs and HMIs to safety logic, significantly improving project integration efficiency and shortening time to production. “The introduction of the RX3i CPS400 safety controller further enriches our safety product portfolio,” said Daniel Smith, senior product manager for Emerson’s Discrete Automation business. “It makes it easier for users to build solutions that comply with safety standards and integrate seamlessly into complex automation architectures, ultimately achieving faster time to market and greater operational reliability.”

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