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- Overview
- Specifications
- Description
- Applications
- Competitive Advantage
- FAQ
- Recommended Products
Overview
Place of Origin: |
Sweden |
Brand Name: |
ABB |
Model Number: |
TB807 3BSE008538R1 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Value |
|
Model |
TB807 3BSE008538R1 |
|
Dimensions |
2.5 x 2 x 1.7 cm |
|
Weight |
0.01 kg |
|
Module Type |
Modulebus Terminator |
|
Function |
For Modulebus |
|
Number of Connections |
1 |
|
Connector Type |
Internal (A & B) |
|
WEEE Category |
5. Small Equipment (No External Dimension More Than 50 cm) |
|
Number of Batteries |
0 |
|
CE Mark |
Yes |
|
Electrical Safety |
IEC 61131-2; UL 61010-1; UL 61010-2-201 |
|
Hazardous Location |
C1 Div 2 cULus; C1 Zone 2 cULus; ATEX Zone 2 |
|
Marine Certification |
ABS; BV; DNV; LR |
|
Operating Temperature |
0°C to +55°C |
|
Storage Temperature |
-25°C to +70°C |
|
Relative Humidity |
5% to 95% RH, non-condensing |
|
Pollution Degree |
Degree 2 (IEC 60664-1) |
|
Corrosion Protection |
ISA-S71.04: G3 |
|
Protection Class |
IP20 (IEC 60529) |
|
Mechanical Standards |
IEC 61131-2 |
|
EMC |
EN 61000-6-4; EN 61000-6-2 |
|
Overvoltage Category |
IEC/EN 60664-1 |
|
Equipment Class |
Class I (IEC 61140, earth protected) |
|
RoHS Compliance |
EU RoHS; UAE RoHS; CN RoHS |
|
WEEE Compliance |
DIRECTIVE 2012/19/EU |
Description
The TB807 3BSE008538R1 is a passive unit used for Modulebus termination, suitable for communication needs in various complex environments. It effectively prevents signal reflection, improving the stability and reliability of data transmission. As a passive device, it is specifically installed at the physical end of the bus to ensure signal integrity.
Applications
Offshore drilling platform plant: Addressing high-reliability control bus connections.
Petrochemical refinery: Ensuring stable long-distance signals for distributed control systems (DCS).
Coal power plant: System terminal protection for generator I/O modules.
Paper machinery plant: Signal interference immunity for high-speed production line control buses.
Wastewater treatment plant: Terminal matching for I/O stations distributed across various areas.
Competitive Advantage
High-precision signal matching and anti-interference capability:
The 120Ω terminating resistor of the ABB TB807 3BSE008538R1 matches the RS485 standard, reducing over 95% of signal reflections and ensuring stable transmission even in high-interference environments such as frequency converters and welding equipment. Its differential signal design (CMRR > 60 dB) effectively suppresses EMI, with a bit error rate significantly below the industry average.
Plug-and-play and flexible expandability:
Equipped with a standardized DB9 interface, the ABB TB807 3BSE008538R1 supports easy installation without configuration. It can connect to the TB805 or TB825 fiber optic converter, enabling flexible bus expansion from simple to redundant network setups.
Industrial-grade reliability design:
Built with flame-retardant PC/ABS (UL94 V-0), it resists industrial chemicals and mild corrosion. The module supports up to 1000Vrms isolation and offers an MTBF exceeding 100,000 hours, ensuring reliable long-term operation in critical systems.
FAQ
Q: What happens if the TB807 3BSE008538R1 is not installed?
A: Signal reflection will occur at the bus termination, causing communication data errors. In severe cases, it may even lead to a complete ModuleBus communication failure.
Q: How many TB807 3BSE008538R1 units are needed for one bus loop?
A: Typically, only one TB807 3BSE008538R1 is required at the physical termination point of each ModuleBus segment.
Q: Does the TB807 3BSE008538R1 require a separate power supply?
A: No. The TB807 3BSE008538R1 is fully passive and achieves termination resistance through the ModuleBus interface without any external power.
Q: Does the TB807 3BSE008538R1 support hot-swapping?
A: No. Removing the termination resistor can open the bus circuit, which may cause communication interruption or system shutdown.
Q: Can the TB807 3BSE008538R1 be repaired if it fails?
A: No. Since it is a low-cost passive component, it is typically replaced directly rather than repaired.
