Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The ABB TU854 3BSE069966R1 is a termination unit (MTU) in the S800 I/O family, designed to interface field signals with redundant I/O modules like AI845, AI880A, and DP840. It features 8 I/O channels and 2+2 process voltage connections. Each channel includes dual I/O and one ZP connection, with mechanical keying for module compatibility.
Technical Specifications
| Parameter | Value |
|---|---|
| Article Number | 3BSE069966R1 |
| Type | Redundant |
| Channels | 16 |
| Input Voltage | Max 50 V |
| Max Current per Channel | 2 A |
| Max Current (Process Connection) | 5 A |
| Dielectric Test Voltage | 500 V AC |
| Mounting Type | DIN Rail, Horizontal |
| Connector Type | 25-pin D-sub (male) |
| ModuleBus Support | Dual ModuleBus |
| Keying Positions | 36 mechanical configurations |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +70 °C |
| Relative Humidity | 5% to 95% (non-condensing) |
| IP Rating | IP20 |
| Pollution Degree | Degree 2 (IEC 60664-1) |
| Corrosion Protection | ISA-S71.04: G3 |
| EMC Standards | EN 61000-6-4, EN 61000-6-2 |
| Safety Standards | EN/UL 61010-1, EN/UL 61010-2-201 |
| Dimensions (W x H x D) | 131 x 186.5 x 64 mm |
| Weight | 0.26 kg |
| Compliance | CE, RoHS, WEEE |
Applications
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Industrial automation and process control
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Redundant signal interfacing for analog inputs
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Integration with ABB AI845, AI880A, and DP840 modules
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Distributed control systems (DCS) using ABB 800xA platforms
Advantages
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Supports redundant I/O architecture
-
Mechanical keying ensures correct module insertion
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DIN rail latch for secure grounding and mounting
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Dual ModuleBus connections for flexible system expansion
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High reliability with robust protection and certification
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the TU854 module?
A1: It serves as a mechanical and electrical interface for connecting field signals to I/O modules in the ABB S800 system.
Q2: Which I/O modules are compatible with TU854?
A2: It is compatible with AI845, AI880A, and DP840.
Q3: Is the TU854 suitable for redundant applications?
A3: Yes, it supports redundant I/O configurations.
Q4: How many channels does the TU854 support?
A4: It supports up to 16 channels, arranged as 8 I/O with 2 terminals each.
Q5: What kind of connector is used?
A5: A 25-pin D-sub male connector is used.
Q6: What is the maximum rated current per channel?
A6: 2 A per I/O channel.
Q7: Can it be installed on a DIN rail?
A7: Yes, it features DIN rail mounting with a mechanical latch.
Q8: Does it support environmental standards?
A8: Yes, it complies with CE, RoHS, and WEEE directives, and environmental conditions such as humidity and temperature limits.
Q9: What protection class does TU854 have?
A9: It has an IP20 protection rating.
Q10: How does mechanical keying work?
A10: Four mechanical keys provide 36 configurations to prevent incorrect module insertion.
Related Models from the Same Series
| Model | Description | Channels | Dimensions (mm) | Weight |
|---|---|---|---|---|
| TU810V1 | Compact MTU for S800 I/O | 8 | 118 x 119 x 64 | 0.15 kg |
| TU812V1 | Extended MTU for S800 I/O | 8 | 170 x 119 x 64 | 0.20 kg |
| TU830V1 | MTU for high integrity systems | 8 | 131 x 186.5 x 64 | 0.26 kg |
| TU840 | MTU for redundant applications | 8 | 131 x 186.5 x 64 | 0.26 kg |
| TU843 | MTU with extended process signal support | 8 | 131 x 186.5 x 64 | 0.26 kg |
| TU860V1 | Redundant MTU for AI/AO modules | 8 | 131 x 186.5 x 64 | 0.26 kg |
Popular ABB Models
| Model | Description | Application | Dimensions (mm) | Weight |
|---|---|---|---|---|
| AI845 | Analog Input Module, HART | Process measurement | 131 x 186.5 x 64 | 0.25 kg |
| AO845A | Analog Output Module, HART | Signal output control | 131 x 186.5 x 64 | 0.25 kg |
| DI830 | Digital Input Module | Discrete signal acquisition | 131 x 186.5 x 64 | 0.20 kg |
| DO840 | Digital Output Module | Discrete control output | 131 x 186.5 x 64 | 0.22 kg |
| PM864AK01 | CPU Module for AC 800M Controller | System control | 150 x 186 x 120 | 0.75 kg |
| CI854AK01 | PROFIBUS-DP Communication Interface | Fieldbus integration | 131 x 186.5 x 64 | 0.22 kg |
