How to read Sepam 80 events with time tagged data using Modbus protocol?

Issue

A user wants to know how to retrieve event records with time-tagged data from a Sepam Series 80 relay using the Modbus communication protocol.

Product

• Sepam Series 80

Environment

• Communications
• Modbus Protocol
• Event Logging
• Protection Relay Monitoring

Cause

Users may need to access event logs and their associated timestamps from a Sepam Series 80 relay for troubleshooting, system analysis, fault investigation, or integration with supervisory control and monitoring systems.

Resolution

An application note is available that explains the procedure for reading Sepam Series 80 event data with time tags using the Modbus protocol. The document provides detailed guidance on:

• Accessing event information through Modbus communications
• Retrieving time-stamped event records
• Understanding the event data structure
• Implementing event reading within a Modbus-based monitoring or control system

Refer to the attached application note for complete instructions and implementation details.

Released for: Schneider Electric Philippines