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Description The ABB TU850 (Order Code: 3BSE020850R1) is a specialized expansion module base designed for the ABB S800 I/O system. This unit serves as the physical and electrical foundation for the TB850 modem module, providing a secure and reliable interface for distributed I/O applications operating at 50VDC. Engineered for specific industrial environments, the TU850 is designed to support the TB850…
Description The ABB TU846 3BSE022460R1 is a specialized Module Termination Unit (MTU) designed to support redundant configurations within the ABB S800 I/O system. It serves as the physical and electrical interface for the CI840/CI840A field communication interfaces, facilitating dual ModuleBus connections to ensure high availability. The ABB TU846 3BSE022460R1 integrates power connections, electrical ModuleBus terminations, and station address settings…
Description The TU844 (Part Number: 3BSE021445R1) is a specialized Redundant Module Termination Unit (MTU) manufactured by ABB. Designed for the S800 and AC 800M I/O systems, this unit serves as the physical foundation for high-availability automation setups. Unlike standard bases that hold a single module, the TU844 is engineered to mount two I/O modules side-by-side (e.g., two AI810 or AO810 modules). It provides the necessary wiring interface and internal bus…
Product Overview The ABB TU843 (Order No. 3BSE021443R1) is a specialized termination unit designed specifically for the ABB S800 I/O system, serving as the critical interface for PROFIBUS DP communication. Unlike standard I/O termination units, the ABB TU843 is engineered to handle high-speed fieldbus signals, ensuring reliable data exchange between the central controller and distributed field devices. This unit provides…
Product Overview The ABB TU842 is a specialized Redundant Module Termination Unit (MTU) designed for the ABB S800 I/O system, a critical component within the broader AC 800M control architecture. Identified by the part number 3BSE020850R1. this unit is engineered to support high-availability applications where system reliability is paramount. Unlike standard termination units that support a single I/O…
Description The TU847 (Order Code: 3BSE022462R1) is a specialized Module Termination Unit (MTU) manufactured by ABB, designed to support the CI840 and CI840A field communication interfaces. It serves as a critical hardware component for establishing PROFIBUS DP redundancy, allowing industrial networks to maintain communication even if a primary cable path fails. Functioning as a redundancy link module,…
Product Overview The ABB TU849 is a specialized Module Termination Unit (MTU) designed for the ABB S800 I/O system, specifically engineered to support “1oo1” (1 out of 1) architecture configurations. This unit serves as the critical physical interface between the S800 I/O modules and the field wiring, providing a robust and reliable connection point for process signals.…
Description The ABB TU841 (Order Code: 3BSE020848R1) is a redundant I/O baseplate designed for the ABB S800 I/O system. This unit serves as the physical and electrical foundation for the TB840 or TB840A modem modules, providing a secure and reliable interface for distributed I/O applications. Engineered for high-reliability environments, the TU841 is specifically designed to support non-redundant I/O modules while…
Product Overview The ABB TU839 and TU836V1 are specialized extension units (Module Termination Units or MTUs) designed specifically for the ABB S800 I/O system. These units serve as the essential physical and electrical interface for the DO820 and DO821 16-channel relay output modules. The ABB TU836V1 (Ordering Number 3BSE021445R1) and its counterpart TU839 are engineered to handle the high current and voltage requirements typical of relay outputs,…
Description The TU838 (Order Code: 3BSE008572R1) is an extended module termination unit (MTU) manufactured by ABB, specifically engineered for the S800 I/O system. Operating at a rated voltage of 50V, the TU838 serves as a sophisticated interface that connects field wiring to high-integrity digital input/output modules. Distinguished by its “extended” form factor, this unit provides ample space for complex…