The ABB TU846 3BSE022460R1 Module Termination Unit is designed for high-availability configurations in S800 I/O systems, supporting redundant CI840/CI840A interfaces. It provides secure connections for power, dual electrical ModuleBuses, and communication ports, ensuring reliable performance in mission-critical automation environments.
Equipped with dual rotary switches for station addressing (0–99) and mechanical keying for module compatibility, the TU846 3BSE022460R1 simplifies setup while preventing incorrect module insertion. It also supports optical ModuleBus extension via TB842 and TB846, enhancing system scalability.
Technical Specifications
Parameter
Value
Model Number
TU846 3BSE022460R1
Manufacturer
ABB
Product Type
Module Termination Unit
System
S800 I/O DCS
Compatible Interfaces
CI840 / CI840A
ModuleBus Connections
2 Electrical + Optical (via TB846)
Station Address Range
0–99 (Dual Rotary Switches)
Mechanical Key Positions
36 (4 keys total)
PROFIBUS Ports
2
Service Tool Ports
2
Max ModuleBus Length
2.5 meters
Mounting Type
DIN Rail
Dimensions (L×W×H)
12.7 × 5.1 × 20.3 cm
Weight
0.3 kg
HS Code
8537101190
Origin
Sweden
Condition
Brand New
Availability
In Stock
MOQ
1 Unit
Applications & Compatibility
The ABB TU846 3BSE022460R1 is ideal for redundant I/O configurations in power generation, chemical processing, and manufacturing automation. It ensures secure module addressing, reliable communication, and safe maintenance procedures.
