Overview
Manuals
Link Function
RCU Termination
Dual Link Test
Features:
- TB853 provides the defined electrical termination for an ABB AC 800M RCU Control Link.
- Article number 3BSE057022R1 distinguishes it from visually related CEX-bus and RCU Link terminators.
- The accessory is documented together with TK856 and AC 800M redundant processor arrangements such as PM891.
An ABB TB853 terminator for the AC 800M RCU Control Link, identified by article number 3BSE057022R1. It is listed with TK856 RCU Control Link cable and is used in documented redundancy arrangements such as PM891 packages; it must not be confused with TB852 RCU Link or TB850/TB851 CEX-bus terminators. Selection must preserve the complete label identity, connected-equipment compatibility and manufacturer installation limits.
ABB manufacturer documentation identifies TB853 3BSE057022R1 as a rcu control link terminator for use within the documented product-family configuration. Review the official family documentation together with the complete product label to confirm the article number, interfaces, compatibility, revision and installation limits before replacement or commissioning.
The TB853 3BSE057022R1 ABB RCU Control Link terminator is listed as Active / Available from OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB TB853 3BSE057022R1 official manufacturer document excerpt (PDF), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Trace the cable and controller endpoints to prove the connection is the RCU Control Link before selecting TB853.
Keep TB853 separate from TB852, TB850 and TB851 by matching article number, connector gender and documented bus role.
After maintenance, confirm both controller paths, synchronization status and communication alarms according to the AC 800M hardware procedure.
