Description

ABB TB807 Modulebus Terminator

Configured for Modulebus line termination in ABB automation system networks, the ABB 3BSE008538R1 (TB807 Modulebus Terminator) provides direct physical termination for Modulebus communication segments. This hardware component maintains bus electrical conditions by completing the communication line structure.

Hardware Specifications

Parameter	Specification
Model	3BSE008538R1
ABB Type Designation	TB807
Product Type	Module Termination Unit
Brand	ABB
Origin	Bulgaria
Function	Modulebus Terminator
Communication Interface	Modulebus termination interface
Weight	0.01 kg
Dimensions	13 mm depth x 19 mm height x 17 mm width
Operating Temp	Not specified
Power Consumption	Passive termination component; no external power supply required
Cable Length	0 m

Modulebus Termination and Industrial Bus Control

The ABB TB807 terminates Modulebus communication paths within ABB control architectures. Therefore, it provides the required electrical endpoint for bus segments and supports correct signal behavior across connected modules.

The unit belongs to ABB Modulebus termination components and operates as a passive hardware element. Additionally, its compact mechanical design allows installation at designated Modulebus endpoint positions without additional wiring length.

The TB807 supports ABB industrial control platforms through direct Modulebus interface compatibility. Furthermore, its termination function contributes to stable backplane bus communication velocity and proper I/O density scaling within ABB distributed control configurations.

Frequently Asked Questions

Q: What is the primary function of the ABB TB807 3BSE008538R1?
A: The TB807 functions as a Modulebus terminator. It completes the physical communication line and provides the required termination point for Modulebus segments.

Q: Does the TB807 require an external power connection?
A: No. The TB807 is a passive termination component and does not require a separate power supply connection.

Q: Where should the TB807 be installed in a Modulebus configuration?
A: The TB807 should be installed at the designated endpoint of the Modulebus communication path according to ABB system installation documentation.

Field Installation Guidelines

• Install the TB807 only at the specified Modulebus termination position within the ABB control system configuration.
• Verify that the module connector is fully seated before system commissioning.
• Keep Modulebus wiring separated from high-voltage power cables to reduce electrical interference.
• Follow ABB grounding and shielding practices for connected communication cables.
• Inspect connector conditions and mechanical mounting points during maintenance activities.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems