Field device disable/enable - Metasys - LIT-12011279 - General System Information - Metasys System - 13.0

Network and IT Guidance Technical Bulletin

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Metasys System
Document type
Technical Bulletin
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When the user or a process disables communication to a field device, the SNMP Agent sends a trap regarding the Disable command in a similar manner as the Alarm Raised trap. The eventValue indicates Comm Disabled.

When a Comm Enabled command to the device occurs, the SNMP Agent sends a trap regarding the Enable command as well as a separate alarm trap regarding the return to online status.