Overview
Manuals
Protection Measurement Path
Compatibility
Sensing Circuit Validation
Features:
- The documented type designation is 1MRK001987-AA, and this specification must match the supplied unit.
- The documented product type is Protection-system measurement module, and this specification must match the supplied unit.
- The documented system family is ABB protection and substation-automation systems, and this specification must match the supplied unit.
1MRK001987-AA is an ABB Protection-system measurement module selected by its complete product identity and documented equipment role. Its suitability depends on the installed system, hardware execution, connected assemblies and application requirements matching the supplied unit.
Before replacement, record the full nameplate, installed position, connector or terminal arrangement, paired equipment and relevant ABB service information. After installation, verify power, communication and control interfaces, complete the approved functional checks and confirm stable operation before returning the equipment to service.
The 1MRK001987-AA ABB Protection-system measurement module is listed as Active / Available from OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB 1MRK001987-AA documentation and reference links.
Important Notice: Every linked document must identify the listed model or its documented family. Confirm the complete order code, hardware revision and installed-system requirements before replacement.
This protection-system measurement module interfaces the documented measurement circuits with the protection assembly. Match the complete ABB identity and receiving-equipment record before installation.
Keep 1MRK001987-AA on the documented signal, bus or power path. Preserve connector orientation, installed position and approved settings.
After replacement, compare diagnostics with the saved baseline and prove the assigned protection-system measurement module function under controlled test conditions.
