TB845 ABB | Dual Channel ModuleBus Adapter for System 800xA
Manufacturer: ABB
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Part Number: TB845
Condition：New with Original Package
Product Type: Dual Channel ModuleBus Adapter for System 800xA
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The ABB TB845 is a redundant ModuleBus cable adapter built for ABB System 800xA and S800 I/O platforms. It extends the ModuleBus across multiple DIN rails while maintaining dual-channel communication redundancy. This design guarantees high system availability and fault tolerance, even during single-path failures.
The TB845 operates together with the TB846 and TK801V0xx cable assemblies to ensure continuous data exchange between controllers and distributed I/O modules. Its robust performance makes it ideal for industries demanding uninterrupted operation, such as power generation, petrochemicals, and nuclear automation systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | TB845 |
| Part Number | 3BSE021437R1 |
| Product Type | Redundant ModuleBus Cable Adapter |
| System Compatibility | ABB AC 800M, System 800xA, S800 I/O |
| Communication Protocol | ModuleBus |
| Redundancy Support | Dual-channel redundant communication |
| Interface Type | RJ45 electrical or fiber optic (depends on submodel) |
| Power Supply Voltage | 24 VDC |
| Operating Temperature | 0 °C to +60 °C |
| Protection Class | IP20 |
| Mounting Type | DIN rail |
| Dimensions | Standard AC 800M module size |
| Weight | 0.8 kg |
| Application | High-availability industrial control systems |
FAQ
Q1: Is the ABB TB845 new and original?
A1: Yes, the ABB TB845 3BSE021437R1 is 100 % brand-new and factory-sealed from ABB.
Q2: Can the TB845 operate with both electrical and fiber connections?
A2: Yes, depending on the submodel, it supports RJ45 electrical or fiber-optic interfaces.
Q3: What systems are compatible with this adapter?
A3: It is designed for ABB AC 800M, System 800xA, and S800 I/O environments.
Q4: How soon do you ship after purchase?
A4: We ship within 3 days to 2 weeks, depending on order size, via DHL, FedEx, or UPS.
Q5: What is your return policy for this module?
A5: If any quality issues arise, you can request a return within 30 days of delivery.