6F2T0207 (0.01)GRE200 (5,6)- 214 -Setting [FRQ-RCD]: Figure 2.19-11 examples another example when the [FRQ-RCD] has 20 Hz/s setting. The ‘FRQ-RC’ signal will be generated during the ‘Lossof synchronism’, when the Δf/Δt is larger or more than the setting.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0Frequency(Hz)Time (sec)Rising(Δf/Δt=20Hz/s)Downing(Δf/Δt=20Hz/s)f0 + 3.0f0 + 2.5f0 + 2.0f0 + 1.5f0 + 1.0f0 + 0.5Nominal (f0)f0 – 0.5Figure 2.19-11 Change due for Loss of synchronismSetting [FRQ-RCD-OF]: Figure 2.19-12 exemplify FRQ-RC signal is generatedwhen the frequency (f0) is greater or more than f0+0.5Hz.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0Frequency(Hz)Time (sec)[FRQ-RCD-AR-OF]=+0.5Hzf0 + 3.0f0 + 2.5f0 + 2.0f0 + 1.5f0 + 1.0f0 + 0.5Nominal (f0)f0 – 0.5Figure 2.19-12 RCD-AR over-frequency setting