PLC Module and DCS Module,PLC Parts, DCS Parts, DCS System, Automation Parts
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MAIN SUPPLY:  AB, ABB, GE FANUC, Bently Nevada, Honeywell, ICS Triplex, Yokogawa, Woodward, Emerson, EPRO, Triconex, HIMA, Ovation, SIEMENS, SCHNEIDER...etc.
  • 0+

    New parts in stock

  • 0+

    exported to countries in the world

  • fast/convenient

  • BENTLY NEVADA
    BENTLY NEVADA
    BENTLY NEVADA
    3300/3500 Monitor System, Module, Proximitor Sensor, Cable, Rack  Power Supply, CPU, I/O Modules
    BENTLY NEVADA
  • ALLEN BRADLEY
    ALLEN BRADLEY
    ALLEN BRADLEY
    SLC500 Series, CompactLogix Series 1769/1768,ControlLogix Series 1756/1794, PLC-5 Series 1771/1785 , 2711,2711P PanelView Touch Screen  
    ALLEN BRADLEY
  • HONEYWELL DCS
    HONEYWELL DCS
    HONEYWELL DCS
    Control Processor, Fault Tolerant Ethernet Bridge,Controlnet Interface, Redundancy Module, I/O Link Interface Module , PM I/O, FTA, FSC Module, UCN Board
    HONEYWELL DCS
  • ABB DCS
    ABB DCS
    ABB DCS
    I/O Module, BAILEY-INFI90 Series, DSQC Series, Teach Pendant, IGCT/IGBT  ABB DCS 800xA System/S800 ABB DCS 800xA System/S900 ABB Advant OCS/800XA  ABB H&B Freelance 2000  ABB BAILEY-INFI90/Bailey Net 90 ABB DSQC Robot Parts ABB PLC Cards and Board
    ABB DCS
  • GE FANUC
    GE FANUC
    GE FANUC
    GE FANUC IC693/IC695/IC697/IC698/IC200/IC660/IC670 series and Cards series IS200, IS215, DS200,DS3000/3800
    GE FANUC
  • TRICONEX
    TRICONEX
    TRICONEX
    Power Modules, Main Processor Module, Input Module, Output Module, , Tricon Rack, Tricon Communication Module TCM.
    TRICONEX
  • EMERSON DCS
    EMERSON DCS
    EMERSON DCS
    I/O module, Power module, System measurement module, Terminal block
    EMERSON DCS
  • YOKOGAWA PLC
    YOKOGAWA PLC
    YOKOGAWA PLC
    CPU, I/O Module, Power Module, Network Card, CENTUM CS 3000 R3
    YOKOGAWA PLC
  • OMRON PLC
    OMRON PLC
    OMRON PLC
    NJ/NX1P/NX1/NX7/CP/CJ1/CJ2/CS1/CPM/NSJ controller series
    OMRON PLC
  • SCHNEIDER PLC
    SCHNEIDER PLC
    SCHNEIDER PLC
    Modicon Quantum 140 Series: CPU, Network Module, Power Module, Backplane, Terminal Strip, Processor Interface
    SCHNEIDER PLC
  • SIEMENS PLC
    SIEMENS PLC
    SIEMENS PLC
    S7-200, S7-300, S7-400 Series Modules, Touch Screen, Card, Cable, Circuit Board, Variable Frequency Drive. Main Series are MOORE、6DD、6DP、S5,S7
    SIEMENS PLC
  • ICS TRIPLEX
    ICS TRIPLEX
    ICS TRIPLEX
    Trusted Digital Input/Output Module, T8431, T8461, T3401, T8310, T8151B
    ICS TRIPLEX
Online Union is an excellent supplier in the automation industry
10

YEARS OF
PROFESSIONAL EXPERIENCE

Online Union Trade Co., Ltd
Online Union Trade Co., Ltd
      Online Union Trade Co., Ltd is a global distributor of automation parts, focusing on mature, popular and powerful products. We have thousands of new parts in stock, which have been exported to more than 50 countries in the world. All the products we provide are original brand-new and factory sealed. Provide customers around the world with products, quality service and sales support, as well as first-class warranty and repair options. We also have good cooperation with many experienced express companies around the world. We can ship the goods to you quickly with strong timeliness. 3S is a global distributor of automation parts, focusing on mature, popular and powerful products. We have thousands of new parts in stock, which have been exported to more than 50 countries in the world. All the products we provide are original brand-new and factory sealed. Provide customers around the world with products, quality service and sales support, as well as first-class warranty and repair options.         Main supply: Allen Bradley, ABB, Bently Nevada, GE Fanuc, ICS Triplex, Prosoft, Hima, Honeywell, Siemens, Yokogawa, Foxboro, Woodward, Emerson, Epro, Fuji,.. etc.  If you are interested in our products, please feel free to send us an inquiry. We will be waiting for your message 7*24 hours a day.   Advantageous Brand   ABB ABB DCS 800xA System/S800 I/O System, ABB DCS 800xA System/S900 I/O Series, ABB Advant OCS/800XA , ABB H&B Freelance 2000 , ABB BAILEY-INFI90/Bailey Net 90, ABB DSQC Robot Parts, ABB PLC cards and boards   Honeywell Honeywell Experion PKS ( C200 ,  C300 ), Honeywell FSC   Bently Nevada Bently Nevada  3500 Series Monitor system, Bently Nevada  3300 Series Monitor system Modules/Chassis/I/O Module,  Power Supply Module/Proximitor Sensor/ Programming Cable   GE FANUC GE IC695, IC698, GE IC694, IC697, GE IC754,  IC752 QuickPanel, GE IC660,  IC600   Seriex Six, GE IC610, IC620  Series One, GE IC692   Series 90-20, GE IS200, IS215, GE DS200, DS3000/3800   Foxboro Foxboro I/A Series System Module.Foxboro CP /Foxboro FBM , Foxboro Termination Assembly Module, Foxboro Baseplate   Triconex Triconex Rack, Triconex Power Module, Processor Module,  Input Module, Output Module, Tricon Communication Module TCM, Triconex Terminal Block, Triconex Cable   Yokogawa Yokogawa CENTUM CS 3000 R3/Yokogawa CPU Module/Power Supply Module/ I/O Module/Cards   Schneider Modicon, Quantum 140 System   HIMA CPU/Power Distribution Module/COPROCESSOR MODULE/INPUT MODULE/OUTPUT MODULE   Emerson DeltaV / EMERSON/KJ Series 2  I/O module, Terminal Block , POSITIONING SERVO DRIVE, Epro/CSI 6500 machinery health monitor /MMS6000 Measurement Modules/MMS 3000 System   Siemens MOORE, 6ES7(1,2,3,4) 6DD,  6DP,  S7,  S5 System Series  
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Hot products
There are many hot product updates every day. If you have purchase demand for relevant brands, please pay more attention to the product information updated.
Triconex 4352A
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New Triconex 4352A Tricon Communication Module Best price
Triconex 4352A Tricon Communication Module
5462-948
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Woodward 5462-948 Hot Selling Brand New Original Inverter
Woodward 5462-948 Brand New Original Tested Drivers Displays Modules Inverter 
Triconex 3601
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New Triconex 3601 Thermocouple input Module Best price
Triconex 3706A Thermocouple input Module
Schneider 140CPU67160S
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Schneider Modicon Quantum 140CPU67160S Unity safety processor Module Best Price
Schneider Modicon Quantum 140CPU67160S Unity safety processor module
Schneider 140CPU65160
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Schneider Modicon Quantum 140CPU65160 Module Best Price
Schneider Modicon Quantum 140CPU65160 Unity processor Module Original Brand New
Ovation 1C31166G02
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Ermerson Ovation 1C31166G02 Module Original Packing
New Original Ermerson Ovation 1C31166G02 LINK CONTROLLER MODULE
Ovation 5X00717G01
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Ermerson Ovation 5X00717G01 Module Original Packing
New Original Ermerson Ovation 5X00717G01 MACHINERY HEALTH MONITOR ELECTRONICS MODULE
ABB INICT03
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New ABB BAILEY INICT03 Cnet-to-Computer Communication Interface Module Best Discount
ABB BAILEY INFI 90 INICT03 Cnet-to-Computer Communication Interface Module
Latest news
Update the news regularly to let us know the latest information about the industrial automation industry
2024 Happy New Year!
2024 Happy New Year!
Dear customer,   A new year is coming soon! Farewell to 2023 and welcome the year 2024 full of hope, opportunities, and challenges! Here, we would like to express our gratitude to all o...
03 / 02 view more
Siemens New Series Frequency Converters
Siemens New Series Frequency Converters
• Launch Sinamics G120X series frequency converters, designed specifically for fan and pump applications, to meet the needs of infrastructure industries such as water treatment and HVAC • Am...
25 / 10 view more
Rockwell AB Large PLC
Rockwell AB Large PLC
ControlLogix 5580 controller; Process controller; ControlLogix 5570 controller; ASEM 6300 industrial computer   From complex to simple applications, we can use programmable logic c...
22 / 02 view more
Rockwell AB Low-Voltage Frequency Converter
Rockwell AB Low-Voltage Frequency Converter
25B-D4P0N104, 25B-D2P3N104, 25B-D2P3N114, 25B-D4P0N114, 25B-D010N104, 25B-D6P0N104, 25B-D017N104, 25B-D6P0N114, 25B-D010N114, 25B-D013N104 ,25B-D013N114, 25A-D2P3N104, 25B-D1P4N104, 25B-D017N114, 25B-...
09 / 02 view more
The Spring Festival holiday is over and the Year of the Rabbit officially begins! Come on!
The Spring Festival holiday is over and the Year of the Rabbit officially begins! Come on!
Dear partners:        Our company has been working normally on January 29, 2023 (the eighth day of the first lunar month). If you want to order PLC and DCS parts, please call+86152...
29 / 01 view more
Rockwell AB servo controller system
Rockwell AB servo controller system
Looking for simpler ways to improve performance? Our solutions are designed to simplify mechanical design, provide greater system flexibility and improve overall performance. Allen Bradley K...
03 / 01 view more
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