Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TU847Z |
| Brand | ABB |
| Product ID | 3BSE022462R1 |
| Product Type | Module Termination Unit (MTU) |
| Origin | Sweden |
| Dimensions | Width: 124 mm; Height: 186 mm including latch; Depth: 47 mm |
| Operating Temp | Not specified |
| Power Consumption | Passive termination unit; no independent power consumption specified |
| Compatible Modules | CI840 / CI840A PROFIBUS DP-V1 Communication Interface |
| Communication Interface | PROFIBUS DP-V1 |
| Redundancy Support | Supports redundant communication interface configuration |
| Environmental Compliance | G3 compliant conformal coating for corrosive gas environments |
| Mounting Type | DIN rail or panel mounting according to system configuration |
Backplane Bus Communication and I/O Redundancy
The ABB TU847Z supports redundant CI840 and CI840A communication interface installation within the ABB S800 I/O architecture. It provides the mechanical mounting structure and electrical termination interface required for PROFIBUS DP-V1 communication modules.
In addition, the unit maintains I/O density scaling capability through ABB S800 I/O station configurations. The MTU design allows redundant communication paths to remain physically separated while maintaining module connection integrity across the backplane interface.
The G3 conformal coating specification provides additional protection for electronic assemblies exposed to corrosive industrial atmospheres. Therefore, the TU847Z is suitable for installations requiring enhanced environmental resistance.
Frequently Asked Questions
Q: What communication modules are compatible with the ABB TU847Z?
A: The TU847Z is designed for ABB CI840 and CI840A PROFIBUS DP-V1 communication interface modules used in redundant S800 I/O configurations.
Q: Does the TU847Z require an external power supply?
A: No independent power supply connection is specified for the TU847Z. The unit functions as a passive Module Termination Unit for module connection and signal termination.
Q: What is the purpose of the G3 compliance coating on the TU847Z?
A: The G3 conformal coating protects the module assembly against corrosive gas environments according to ABB environmental protection requirements.
Field Installation Guidelines
- Install the TU847Z on the designated DIN rail or panel mounting position according to the ABB S800 I/O system layout.
- Verify that the CI840 or CI840A communication interface module is correctly seated before applying system power.
- Maintain proper cable routing between PROFIBUS communication lines and high-voltage power conductors to reduce electrical interference.
- Connect shielding layers according to ABB PROFIBUS installation practices and ensure appropriate grounding continuity.
- Confirm redundant communication module wiring before system commissioning.
- Inspect mechanical locking mechanisms and terminal connections during preventive maintenance procedures.
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