Subject to modifications and errors
Page 9 of 71
2019-06-26 edition
2.6
Circuit diagram 2 (CEI 0-21)
CEI 0-21
*
1
Parameter switching:
definitive mode (Operational mode 0):
I4 inactiv / contact open:
overfrequency 1, underfrequency 1
I4 activ / contact closed:
overfrequency 2, underfrequency 2
transitory mode (Operational mode 1):
I5 active / contact closed:
overfrequency 2, underfrequency 2
I5 inactive / contact open:
overfrequency 3, underfrequency 3
*
2
Auxiliary contact as normally opened, normally closed, or can be configured "not monitored”