ABB TU843 3BSE021443R1 Module Termination Unit
The TU843 MTU can have up to 16 I/O channels and 2+2 process voltage connections. Each channel has two I/O connections and one ZP connection. The maximum rated voltage is 50 V and maximum rated current is 3 A per channel.
The MTU distributes the two ModuleBuses, one to each the I/O module and to the next MTU. It also generates the correct address to the I/O modules by shifting the outgoing position signals to the next MTU.
The MTU can be mounted on a standard DIN rail. It has a mechanical latch that locks the MTU to the DIN rail.
Four mechanical keys, two for each module, are used to configure the MTU for different types of I/O modules. This is only a mechanical configuration and it does not affect the functionality of the MTU or the I/O module. Each key has six positions, which gives a total number of 36 different configurations.
General info
|
Article number |
TU843 3BSE021443R1 |
|
Type |
Redundant |
|
Connection |
Terminal block |
|
Channels |
16 |
|
Voltage |
50 V |
|
Mounting |
Vertical |
|
Mounting detail |
55 º (131 °F) |
|
Use with I/O |
AI843, AO845, AO845A, DI840, DI880, DO840, DO880 and DP840 |
|
Process connections |
56 up to 16 I/O channels (2 terminals per channel) |
|
4 Process power |
|
|
20 Process power (0 V) |
|
|
Single/redundant I/O |
Redundant |
Features and Applications
Features
- Complete installation of I/O modules using 2-wire connections and field power distribution.
- Up to 8 channels of field signals and process power connections.
- Connections to two ModuleBuses and I/O modules.
- Mechanical keying prevents insertion of the wrong I/Omodule.
- Latching device to DIN rail for grounding.
- DIN rail mounting.
Applications
- Industrial Automation: Used to connect sensors, actuators, and field devices to control systems in manufacturing plants.
- Process Control: Supports reliable field wiring connections in oil & gas, chemical, and pharmaceutical industries.
- Power Management: Helps manage electrical connections in power generation and distribution systems.
- Energy Systems: Facilitates monitoring and control in energy production and transmission systems.
- Building Automation: Can be used in large-scale building automation systems for reliable wiring connections.
Environment and certification
|
CE mark |
Yes |
|
Electrical safety |
EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201 |
|
Hazardous Location |
C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2 |
|
Marine certification |
- |
|
Temperature, Operating |
0 to +55 °C (+32 to +131 °F), approvals are issued for +5 to +55 °C |
|
Temperature, Storage |
-40 to +70 °C (-40 to +158 °F) |
|
Pollution degree |
Degree 2, IEC 60664-1 |
|
Corrosion protection |
ISA-S71.04: G3 |
|
Relative humidity |
5 to 95 %, non-condensing |
|
Max ambient temperature |
55 °C (131 °F) |
|
Protection class |
IP20 according to IEC 60529 |
|
Mechanical operating conditions |
IEC/EN 61131-2 |
|
EMC |
EN 61000-6-4, EN 61000-6-2 |
|
Overvoltage categories |
IEC/EN 60664-1, EN 50178 |
|
Equipment class |
Class I according to IEC 61140; (earth protected) |
|
RoHS compliance |
EN 50581:2012 |
|
WEEE compliance |
DIRECTIVE/2012/19/EU |
Related words：tu843 3bse021443r1;pdf TU843;3BSE021443R1 datasheet;TU843 3BSE021443R1 manual
Inventory and Pricing
- We offer a wide variety of products, and to ensure the best selection for you, we may occasionally add or remove items from our inventory. While this can sometimes lead to fluctuations in stock levels and pricing, we prioritize keeping you informed and supported.
- For up-to-date inventory information and potential discounts, please don't hesitate to contact us. You'll find our contact details at the bottom of this page.
- Our goal is to provide you with a smooth and enjoyable shopping experience. If you have any questions, we're happy to help!
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