ABB Relion 670 series - Standard Compliance Statements; Applicable Cyber Security Standards

LED operation mode Follow-S
IEC08000395.vsd
= Steady = FlashIllumination =>
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IEC08000395 V1 EN-US
Figure 51: LHMI: LED operation mode Follow-S
In the Follow-S mode, the LED adopts a steady behavior. It is lit on a binary On
signal and switched off on a binary Off signal. See Figure 51 for details.
LED operation mode Follow-F
IEC08000396.vsd
= Steady = FlashIllumination =>
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IEC08000396 V1 EN-US
Figure 52: LHMI: LED operation mode Follow-F
In the Follow-F mode, the LED starts flashing when receiving a steady binary On
signal. At other times it is unlit. SeeFigure 52. This mode may be used to indicate
that a tap changer or Petersen coil is moving.
1MRK 511 398-UEN C Section 7
Local HMI engineering
670 series 2.2 IEC 89
Engineering manual