Protection Engineering Basics and Schemes Protection Engineering | Seite 274

Thermal overload relay have same characteristics as
inverse definite minimum time relay have.
The alarm must be provided with thermal overload relay,
when alarm activated and operator needs to reduce load
to stop tripping.
9.4.1 Inserting Setting in Relay
 I select Siemens 7SJ80 relay for this demonstration
 In device configuration, activate thermal overload
function
 Insert binary input output data in masking I/O tab
pg. 274