Overview
The ABB TU810V1 (3BSE013230R1), also cataloged as the TU810 Compact Module Termination Unit, operates as a dedicated hardware component for field signal termination and ModuleBus distribution within the ABB S800 I/O system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TU810V1 (3BSE013230R1) |
| Brand | ABB |
| Series | S800 I/O System |
| Product Type | Compact Module Termination Unit (MTU) |
| Origin | Sweden |
| Weight | Approx. 0.17 kg to 0.20 kg |
| Dimensions | 58.5 mm W x 64 mm D x 170 mm H |
| Operating Temp | 0 deg C to +55 deg C |
| Storage Temp | -40 deg C to +70 deg C |
| Protection Rating | IP20 according to IEC 60529 |
| Power Consumption | Passive unit, no external power consumption |
| Number of Channels | 16 single-wire process connections |
| Rated Voltage | 50 V AC/DC maximum |
| Maximum Channel Current | 2 A per I/O channel |
| Maximum Process Connection Current | 5 A |
| Dielectric Test Voltage | 500 V AC |
| Mounting Method | 35 mm DIN rail mounting |
| Wire Size | Solid 0.2 mm2 to 4.0 mm2; stranded 0.2 mm2 to 2.5 mm2 |
| Process Connections | 16 I/O terminals, power terminals, 0 V return terminals |
Backplane Bus Communication Velocity and I/O Density Scaling
The ABB TU810V1 integrates with the S800 I/O architecture through the internal ModuleBus interface. It distributes communication paths, module addressing signals, and mechanical identification functions between the connected I/O module and the controller system.
The unit supports I/O density scaling by providing 16 field connection channels in a compact termination design. Additionally, its mechanical keying system uses two 6-position keys to prevent incompatible I/O module installation. The DIN rail mounting mechanism also provides mechanical fixation and grounding continuity for the installed module assembly.
Frequently Asked Questions
Q: Does the ABB TU810V1 require an external power supply?
A: No. The TU810V1 is a passive Module Termination Unit. It does not consume external operating power and only provides signal termination, ModuleBus routing, and field wiring connection functions.
Q: Can the TU810V1 support hot-swap replacement of S800 I/O modules?
A: The S800 I/O system supports module replacement procedures under defined system conditions. The TU810V1 provides the termination interface, while hot-swap operation depends on the installed I/O module type and system configuration.
Q: What type of field wiring connections does the TU810V1 provide?
A: The TU810V1 provides single-wire process connections for up to 16 I/O channels with dedicated terminals for process signals, power distribution, and 0 V return connections.
Field Installation Guidelines
Install the ABB TU810V1 on a correctly mounted 35 mm DIN rail and verify mechanical locking before connecting field wiring.
Separate signal cables from high-current power cables to reduce electrical interference. Maintain proper cable routing practices and connect grounding paths according to the S800 installation requirements.
Verify that the installed I/O module matches the TU810V1 mechanical key configuration before energizing the system. Check terminal identification, wire polarity, and conductor tightening conditions during commissioning.
For shielded signal cables, terminate cable shields according to the plant grounding standard to minimize noise coupling into low-level process signals.
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