Product Overview
The ABB TU847 is a passive Module Termination 单位 (MTU) designed for redundant configurations with CI840/CI840A communication interfaces in the ABB S800 I/O system. It facilitates power, communication, and module connection for high-integrity and reliable process automation systems.
Key Features
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支持s redundant CI840/CI840A modules
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DIN rail mounting with secure latching
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Power and PROFIBUS communication terminals
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Integrated rotary switches for address setting (0–99)
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支持s ModuleBus Optical Port via TB806
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36-position mechanical keying prevents misconnection
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Meets G3 environment compliance via TU847Z variant
Technical Specifications
| Parameter | Value |
|---|---|
| 型号 | TU847 |
| Article Number | 3BSE022462R1 |
| Mounting | DIN rail (vertical/horizontal) |
| Power Input | 24 V DC (19.2–30 V) |
| Module Redundancy | Yes |
| Hot Swap | No |
| ModuleBus Output Current | Max 5 V / 1.5 A; Max 24 V / 1.5 A |
| Communication Ports | 2 x PROFIBUS (DSUB9), 2 x RJ45 service ports |
| Address Setting | Rotary switch (0–99) |
| Mechanical Keying Combinations | 36 |
| Operating Temperature | 0 to +55°C (5°C min for approvals) |
| Storage Temperature | -40 to +70°C |
| Humidity | 5 to 95% RH (non-condensing) |
| IP Rating | IP20 |
| Certifications | CE, cULus (Zone 2), ATEX, Marine (ABS, DNV, BV) |
| Safety Standards | EN/UL 61010 series |
| RoHS/WEEE Compliance | Yes |
| Dimensions (W x H x D) | 124 x 186 x 47 mm |
| 重量 | 0.5 kg |
Applications
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Redundant I/O station termination for CI840/CI840A in ABB 800xA systems
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Power and fieldbus termination in distributed control systems
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Industrial automation in chemical, energy, marine, and utility sectors
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Projects requiring robust environmental certification (ATEX Zone 2, G3 compliance)
Advantages
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Simplified redundancy setup with dual communication modules
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High configurability with mechanical keying
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支持s hot-pluggable fiber optic extension (via TB842 and TB806)
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Reliable DIN rail grounding with latch locking
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Compact design with efficient terminal organization
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Wide certification range for global project applicability
常见问题 (FAQ)
Q1: What is the primary function / TU847?
A1: It serves as a termination 件 for redundant CI840/CI840A communication modules in S800 I/O systems.
Q2: Can the TU847 be used in hazardous environments?
A2: Yes, it is certified for ATEX Zone 2 and cULus Class 1 Zone 2 environments.
Q3: Is TU847 hot-swappable?
A3: No, it must be powered down before replacement.
Q4: What type / communication connectors are used?
A4: It includes DSUB9 connectors for PROFIBUS and RJ45 for service ports.
Q5: What is the purpose / the rotary switches?
A5: They are used to set the station address for communication modules.
Q6: How many mechanical keying combinations are supported?
A6: There are 36 unique combinations to prevent incorrect module insertion.
Q7: Can the TU847 be mounted in any orientation?
A7: Yes, it supports both vertical and horizontal DIN rail mounting.
Q8: What modules are typically paired with TU847?
A8: CI840 or CI840A modules in redundant configurations.
Q9: Is TU847 compliant with environmental standards?
A9: Yes, it complies with RoHS, WEEE, and G3 environment via TU847Z.
Q10: Does it support optical communication?
A10: Yes, through the TB842 ModuleBus Optical Port via TB806.
Related or Compatible 型号s (S800 Series)
| 型号 | 描述 | Dimensions (mm) | 重量 |
|---|---|---|---|
| TU846 | MTU for single CI840 configuration | 124 x 186 x 47 | 0.5 kg |
| CI840A | Communication interface | 45 x 115 x 102 | 0.2 kg |
| TB842 | Optical ModuleBus port | 45 x 115 x 102 | 0.15 kg |
| TB806 | Optical connection cable | Custom length | – |
| TU848 | MTU with extended I/O support | 130 x 200 x 55 | 0.6 kg |
| TU851 | MTU for S800 High Integrity I/O | 130 x 200 x 55 | 0.55 kg |
Popular ABB 型号s
| 型号 | 描述 | Dimensions (mm) | 重量 |
|---|---|---|---|
| PM864AK01 | CPU Module, AC 800M controller | 140 x 100 x 135 | 0.4 kg |
| PM861K01 | CPU Module, System 800xA | 140 x 100 x 135 | 0.45 kg |
| CI854AK01 | PROFIBUS DP-V1 Communication Module | 45 x 115 x 102 | 0.2 kg |
| AI810 | Analog Input Module (8 ch, 4–20 mA) | 45 x 115 x 102 | 0.2 kg |
| AO810 | Analog Output Module (8 ch) | 45 x 115 x 102 | 0.2 kg |
| DO810 | Digital Output Module (16 ch, 24VDC) | 45 x 115 x 102 | 0.2 kg |
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