Excellent PLC
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Product Description
The ABB TU831 3BSE008530R1 is an extended Module Termination Unit (MTU) in the S800 I/O series. Designed for 250 V applications, it enables robust signal and power termination for analog and digital I/O modules. With two terminal rows and DIN rail mounting, TU831 ensures secure connectivity in industrial automation systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Code | TU831 |
| Article Number | 3BSE008530R1 |
| Channels | 8 |
| Rated Voltage | Up to 250 V |
| Terminals | Two rows for field signals/power |
| Mounting | DIN Rail |
| Application Type | Extended MTU |
| Wiring Support | 2-wire and 3-wire |
| Fuse Slots | No |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Dimensions (W x H x D) | 126 x 64 x 110 mm |
| Weight | 0.22 kg |
Applications
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Industrial DCS systems requiring high-voltage I/O termination
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Automation in power plants, chemical plants, and refineries
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Interfaces for analog and digital process signal wiring
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Situations requiring 250 V rated extended module termination
Advantages
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Supports high-voltage I/O modules (up to 250 V)
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Compact and efficient DIN rail installation
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Simplifies process wiring via terminal blocks
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Ensures reliable module positioning and locking
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Suitable for both 2-wire and 3-wire configurations
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Rugged and G3 compliant for harsh environments
Frequently Asked Questions (FAQ)
Q1: How many channels does the TU831 support?
A1: The TU831 supports 8 I/O channels.
Q2: Is TU831 compatible with 250 V modules?
A2: Yes, it is designed specifically for 250 V applications.
Q3: Can the TU831 be used with redundant modules?
A3: No, TU831 is for single module configurations only.
Q4: What is the mounting method?
A4: It is DIN rail mounted.
Q5: Does TU831 support 3-wire field devices?
A5: Yes, it supports both 2-wire and 3-wire wiring.
Q6: Are fuses integrated into the TU831?
A6: No, the TU831 does not include fuse holders.
Q7: What is the operating temperature range?
A7: -20°C to +70°C.
Q8: What type of ABB modules can be used with TU831?
A8: Compatible with select analog and digital modules rated for 250 V.
Q9: Is hot-swapping supported?
A9: The I/O module can be removed safely if process power is turned off.
Q10: What environmental compliance does it meet?
A10: It is G3 compliant, suitable for harsh industrial environments.
Related ABB S800 I/O Models
| Model | Description | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| TU830 | 16 ch Extended MTU (50 V) | 16 | 126 x 64 x 110 | 0.22 |
| TU834 | 8 ch Extended MTU (50 V) | 8 | 126 x 64 x 110 | 0.22 |
| TU835 | 8 ch Extended MTU w/ Fuses (50 V) | 8 | 126 x 64 x 110 | 0.23 |
| TU836 | 8 ch Extended MTU w/ Fuses (250 V) | 8 | 126 x 64 x 110 | 0.23 |
| TU837 | 8 ch Extended MTU (250 V) | 8 | 126 x 64 x 110 | 0.23 |
| TU839 | 8 ch Extended MTU (250 V) | 8 | 126 x 64 x 110 | 0.23 |
Popular ABB Modules
| Model | Description | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AI810 | Analog Input Module (0–20 mA) | 8 | 45 x 119 x 102 | 0.18 |
| AO810 | Analog Output Module (0–20 mA) | 8 | 45 x 119 x 102 | 0.18 |
| DI810 | Digital Input Module (24 V DC, Sink) | 16 | 45 x 119 x 102 | 0.18 |
| DO810 | Digital Output Module (24 V DC, Source) | 16 | 45 x 119 x 102 | 0.18 |
| AI815 | Analog Input Module (0–5 V, HART) | 8 | 45 x 119 x 102 | 0.18 |
| AO815 | Analog Output Module (4–20 mA, HART) | 8 | 45 x 119 x 102 | 0.18 |
