Overview
The ABB TU832, also cataloged as the TU832 Extended Module Termination Unit, operates as a dedicated hardware component for field signal termination and I/O module interfacing within the ABB S800 I/O system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TU832 / TU832-1 |
| Brand | ABB |
| Product Type | Extended Module Termination Unit (MTU) |
| System Compatibility | ABB S800 I/O System |
| Function | Field wiring termination and I/O module interface |
| Number of Channels | 16 I/O channels |
| Terminal Configuration | Screw terminal connections with signal and return points |
| Maximum Voltage | 50 V AC/DC |
| Maximum Current | 2 A per channel |
| Termination Type | Screw terminals |
| Mounting Type | 35 mm DIN rail mounting |
| Dimensions | Approx. 124 mm x 186 mm x 59 mm |
| Weight | Approx. 0.3 kg |
| Operating Temp | 0 deg C to +55 deg C |
| Storage Temp | -40 deg C to +70 deg C |
| Relative Humidity | 5% to 95% non-condensing |
| Protection Degree | IP20 |
| Terminal Wire Size | 0.2 mm2 to 2.5 mm2 |
| Power Consumption | Passive MTU; no external power consumption specified |
ABB S800 I/O Interface and Backplane Bus Integration
The TU832 provides a passive electrical interface between field wiring and ABB S800 I/O modules. It distributes module connections through the ModuleBus interface and maintains the correct I/O position addressing within the S800 I/O configuration.
In addition, the TU832 supports I/O density scaling by providing 16 signal channels in a compact termination structure. The unit uses mechanical keying to prevent incorrect module insertion and supports Hot Configuration in Run (HCIR), allowing qualified I/O module replacement without removing field wiring connections.
The TU832 belongs to the ABB industrial control hardware family, where backplane bus communication velocity management, I/O configuration handling, and firmware flash compatibility are controlled by the connected S800 I/O modules and controllers.
Frequently Asked Questions
Q: Does the TU832 provide active signal processing functions?
A: No. The TU832 is a passive Module Termination Unit that provides field wiring termination, signal routing, and mechanical interface functions for ABB S800 I/O modules.
Q: Can the TU832 support I/O module replacement during system operation?
A: Yes. The TU832 supports Hot Configuration in Run (HCIR) functions when used with compatible ABB S800 I/O modules and system configurations.
Q: What installation method does the TU832 use?
A: The TU832 mounts on a standard 35 mm DIN rail and connects field wiring through screw-type terminals.
Field Installation Guidelines
Install the TU832 on a correctly grounded DIN rail inside an enclosure that meets the required environmental conditions.
Connect field wiring according to the ABB S800 I/O system terminal assignment documentation. Keep signal wiring separated from high-voltage power cables to reduce electrical interference.
Use suitable wire sizes within the specified terminal range and tighten terminal connections according to approved industrial practices. Verify mechanical keying positions before inserting the associated I/O module.
For shielded signal cables, terminate shields according to the plant grounding standard. Avoid unnecessary cable loops and maintain clear separation between communication wiring and power conductors.
ABB Top Products
Customers Also Viewed
Contact: Manski Wong +86 18030205725 manski@cambia.cn
Reviews
There are no reviews yet.