COMMISSIONING AND OPERATIONS
20
Time setting Internal Low-tariff period setting
enable
Off-peak Period start Off-peak Period end
Priority between programmed off-peak times (LOWP) and off-peak times determined by the
contact (E1SYNC) connected to an external clock “Ext clock”:
- A time is deemed to be “off-peak” by the system:
If the circuit connecting the two “Ext clock” input terminals is closed (E1SYNC), this is the
external off-peak time state, OFPE, or in programmed off-peak time (LOWP), it is the internal
off-peak time state, OFPI.
- The external input always overrides the internal programming (OFPI). The programmed off-
peak times (OFPE) are cancelled as soon as the circuit connecting the two “Ext clock” input
terminals is closed.
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