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What is the difference on SEPAM Series between "Confirm thermal protection" and "Block thermal protection" when sending TC commands via Modbus to the SEPAM relay?

Product Line     
SEPAM Series

Environment   
Communications

Resolution
The SEPAM relay possesses a list of commands that can be sent via comms to the relay. These commands, when sent correctly from a supervisory system, will order the relay to perform a certain task such as "trip", "SEPAM Reset" and "Enable recloser". The SEPAM Series 40, for example, is capable of receiving these commands:


Some of these commands, such as "Confirm thermal protection" and "Block thermal protection", might seem a little confusing, especially for someone who has never worked with a SEPAM relay before. By sending a "Confirm thermal protection" command, the user is actually turning the 49RMS protection ON, whereas a "Block thermal protection" command turns the 49RMS protection OFF.




The same logic goes for disturbance recording. A "Confirm disturbance recording triggering" turns fault recording ON, whereas a "Block disturbance recording triggering" turns fault recording OFF.

 
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