Product Overview
The ABB TU844 3BSE021445R1 is a termination 件 (MTU) in the S800 I/O series, designed for System 800xA. It provides field connection for up to 8 I/O channels and ensures safe and reliable distribution / process voltage and module communication. This 件 supports redundant configurations and DIN rail mounting with robust mechanical locking and keying systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Article Number | 3BSE021445R1 |
| Channels 支持ed | 8 |
| Maximum Voltage | 50 V |
| Max Current per I/O Channel | 2 A |
| Max Process Connection Current | 5 A |
| Dielectric Strength | 500 V AC |
| Mounting Type | Horizontal, DIN rail |
| Terminal Connection Type | Terminal block |
| Acceptable Wire Size | Solid: 0.2–4 mm², Stranded: 0.2–2.5 mm² |
| Recommended Torque | 0.5–0.6 Nm |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +70 °C |
| Humidity Range | 5% to 95%, non-condensing |
| Pollution Degree | IEC 60664-1 Degree 2 |
| IP Rating | IP20 |
| Certifications | CE, UL, cULus, ATEX Zone 2, Marine certified |
| Dimensions (W x H x D) | 64 x 186.5 x 124 mm |
| 重量 | 0.6 kg |
Product Applications
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Industrial automation systems using ABB System 800xA
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Redundant I/O system configurations
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Integration with AI845, AI880, AI880A, DP840 analog and digital modules
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Environments requiring high reliability and signal integrity
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Projects needing field signal termination with process power distribution
Product Advantages
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支持s up to 8 field I/O channels with process power terminals
-
Designed for redundant installations with dual ModuleBus connections
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Mechanical keying to avoid incorrect module installation
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Easy DIN rail mounting with secure latch system
-
Marine and hazardous area certified
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Compact design for space-constrained cabinets
常见问题 (FAQ)
Q1: How many channels does the TU844 support?
A1: It supports 8 I/O channels with 2 terminals per channel.
Q2: What I/O modules is the TU844 compatible with?
A2: It is compatible with AI845, AI880, AI880A, and DP840 modules.
Q3: Can the TU844 be used in hazardous environments?
A3: Yes, it is certified for ATEX Zone 2 and C1 Zone 2 hazardous areas.
Q4: What is the maximum voltage and current per channel?
A4: The 件 supports up to 50 V and 2 A per channel.
Q5: What are the mounting options?
A5: The TU844 is designed for DIN rail horizontal mounting.
Q6: Is the TU844 suitable for redundant applications?
A6: Yes, it supports redundant I/O configurations.
Q7: What is the IP protection level / the TU844?
A7: It has an IP20 protection rating.
Q8: What environmental certifications does it carry?
A8: It is CE marked, RoHS compliant, and holds marine certifications such as DNV-GL and ABS.
Q9: What tools are needed for wiring?
A9: Standard wiring tools with 0.5–0.6 Nm torque are recommended.
Q10: Does TU844 support both current and voltage input types?
A10: Yes, it supports both via configurable shunt sticks (TY801).
Related ABB S800 I/O 型号s
| 型号 | 描述 | Channels | Dimensions (mm) | 重量 |
|---|---|---|---|---|
| TU845 3BSE021447R1 | MTU for AI/AO modules, 16 ch | 16 | 64 x 186.5 x 124 | 0.6 kg |
| TU846 3BSE022460R1 | Compact MTU for DI/DO | 8 | 64 x 186.5 x 124 | 0.5 kg |
| TU848 3BSE069053R1 | MTU for high density analog modules | 16 | 64 x 186.5 x 124 | 0.6 kg |
| TU849 3BSE042236R2 | Redundant MTU with fuse protection | 16 | 64 x 186.5 x 124 | 0.65 kg |
| TU850 3BSE040783R1 | MTU for pulse or fast DI modules | 8 | 64 x 186.5 x 124 | 0.55 kg |
| TU851 3BSE030220R1 | MTU for special I/O module configurations | 8 | 64 x 186.5 x 124 | 0.55 kg |
Popular ABB 型号s
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|---|---|---|---|---|
| PM864AK01 | AC 800M CPU Module | Control/Automation | 152 x 186 x 50 | 0.8 kg |
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| DI820 3BSE008512R1 | Digital Input Module, 16 ch | Discrete Signal Input | 64 x 186.5 x 124 | 0.4 kg |
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