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- TB840A 3BSE037760R1
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for TB840A 3BSE037760R1
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Product ModelTB840A 3BSE037760R1
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Product ParametersModulebus Cluster Modem
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Tariff Code8537101190
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Country of originSWEDEN
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Place of shipmentXiamen, China
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Estimated Shipping Size5.3x10.5x12cm
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ManufacturerABB
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Weight0.2 kg
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Communication protocolModulebus
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Master or slaveSlave
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24 V consumption typ.120 mA
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Hazardous locationC1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2
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Marine certificatesABS, BV, DNV-GL, LR
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Temperature, Operating0 to +55 °C (+32 to +131 °F), approvals are issued for +5 to +55 °C
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Temperature, Storage-40 to +70 °C (-40 to +158 °F)
Description
3BSE037760R1
MODULEBUS CLUSTER MODEM
TB840A
OPTICAL CLUSTER
FOR 1+1 REDUNDANT OPERATION
MODULEBUS CLUSTER MODEM
TB840A
OPTICAL CLUSTER
FOR 1+1 REDUNDANT OPERATION
Information
Overview
Manuals
Technical notes
Product Applications
Features:
- 2 fiber optic ports to optical ModuleBus
- ModuleBus (electrical) to the I/O Modules
- Supervisory functions of I/O ModuleBus and power supply
- Isolated power supply to I/O modules
- TU841, MTU for redundant TB840/TB840A, single ModuleBus
- Input power fused
The TB840A 3BSE037760R1 ABB Modulebus Cluster Modem may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB TB840A 3BSE037760R1 ModuleBus Extension Cable Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
S800 I/O is a comprehensive, distributed and modular process I/O system that communicates with parent controllers and PLCs over industry-standard field buses. The TB840 ModuleBus Modem is a fiber optic interface to the Optical ModuleBus. TB840A is used in redundancy configurations where each module is connected to different optical ModuleBus lines, but connected to the same electrical ModuleBus.
The ModuleBus Modem has an electrical and an optical Modulebus interface which are logically the same bus. A maximum of 12 I/O modules can be connected to the electrical ModuleBus and up to seven clusters can be connected to the fiber optic ModuleBus. The fiber optic interface is intended for local distribution of I/O clusters and where more than 12 I/O modules are required in an I/O station.
- Electricity and Energy: Distributed data acquisition and control systems for thermal power plants, nuclear power plants, and large substations.
- Petroleum and Natural Gas: Refineries, offshore drilling platforms, and pressure stations along long-distance pipelines.
- Chemical and Pharmaceutical Industry: Continuous process control for ethylene cracking, fine chemicals, and pharmaceutical factories.
- Metallurgy and Mining: Blast furnaces and converters in steel mills, as well as hoisting and beneficiation control systems in mines.
- Water Treatment and Environmental Engineering: Urban sewage treatment plants, waterworks, and large pumped storage stations.
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
- What happens next
- Get the quote now Write Email to INFO@AMIKON.CNEmail confirmation You will get an email confirming that we have received your enquiry.Dedicated Account Manager One of our team will be in touch to confirm your part(s) specification and condition.Your quote You will receive a comprehensive quote tailored to your specific needs.Need Moore Help? Get fast and efficient help from our experienced sales or customer service teams.
- Delivery and payment
- Delivery
Logistic partners UPS, FedEx and DHL
International delivery available
Same day dispatch from warehouse inventory
Warranty
All parts new original are covered by Amikon 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment options
We accept Bank transfers and the following methods of payment:
For more information, please visit our dedicated payments page.
- Why Choose Amikon Limited?
When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.
- ● Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
- ● 20+ Years of Expertise: Trusted by engineers, project managers and government companies worldwide for our professional service.
- ● Quality You Can Trust: Each unit is strictly inspected by the warehouse staff to ensure product quality
- ● Fast Global Shipping: We help you minimize downtime with express logistics worldwide.
- ● 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.
Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.
FAQs
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What is the ABB TB840A 3BSE037760R1?
+The ABB TB840A (Part Number 3BSE037760R1) is an Optical ModuleBus Cluster Modem used in S800 I/O systems, specifically for creating redundant configurations -
What is the primary function of the TB840A?
+It acts as a fiber optic interface to the Optical ModuleBus, allowing 1+1 redundant operation and connecting I/O clusters to the main controller. -
Can it be used in redundant systems?
+Yes, the TB840A is designed for 1+1 redundancy, where each module connects to different optical ModuleBus lines but the same electrical ModuleBus. -
What is the capacity of the modem?
+It can support up to 12 I/O modules on the electrical ModuleBus and allows up to seven clusters on the fiber optic bus. -
What are the power requirements?
+It has a typical 24 V DC consumption of 120 mA.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN