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Sag/Swell Module Configuration ION 7500 / ION 7600 User’s Guide
Page 294 Power Availability Technical Note
4. An auxiliary powered meter is used for applications that require a highly
accurate measurement of power system downtime.
Sag/Swell Module Configuration
Your meter’s power availability framework requires that the Sag/Swell module be
configured to the limits of your meter’s power supply specification. See the online
ION Programmer’s Reference for detailed information on the operation of the
Sag/Swell module.
Operating ranges of the ION 8000 Series meter are listed below:
The ANSI C84.1 1989 standard recommends a Swell limit of 106% for Range B
voltage levels, as well as a Sag limit of 88% for load voltages and 92% for the
service entrance.
Power
Supply
Operating Range
9S 36S 35S
3-Phase
blade
powered
meter
Option E
(120 – 277) ± 15%
(102 – 318.5) VLN rms)
(120 – 277) ± 15%
(102 – 318.5) VLN rms
120 – 480 ± 15%
(102V – 552) VLL rms
Option G
57.7 – 70VLN ± 15%
(49 – 80.5) VLN rms)
57 – 70VLN ± 15%
(49 – 80.5) VLN rms
N/A
Auxiliary
powered
meter
Option H
(High V)
(160 – 277) ± 20% (128 – 332.4) VLN rms
Option J
(Low V)
65 – 120 ± 20% (52 – 144) VLN rms