Programming
151430
9-31
9.6.5.5 Change AC Line Frequency
The panel’s AC line frequency is selectable for 50, 60 Hz, or Neither. AC Frequency feature
dictates how the control panel will calculate time based on the AC line frequency used in the
installation site. The “Neither” option can be used in areas where the AC line frequency is not
dependable and you want the panel to calculate time from the internal crystal. The internal
crystal is not as accurate as the AC power source and either 60 Hz or 50 Hz should normally
be selected. The panel defaults to the 60 Hz. selection
To change the AC line frequency, continue programming from step 8 above:
9. Select 50Hz, 60Hz or Neither, by pressing the
or
arrow, then press
.
Summary of Contents for IFP-2000
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