Siemens SITRANS F M MAG 8000, Руководство по эксплуатации, Страница: 71 / 164

The nominal capacity of external battery pack (4 D-cell) is 66 Ah and gives typically 10 years
operation time for MAG 8000 Standard and MAG 8000 CT, and 8 years for MAG 8000 Irrigation.
Scenario - Revenue application
Output A
Pulse - 10 Hz
Output B Alarm or Call up
Meter dialog 1 hour per month
Excitation frequency 1/15 Hz
Country main frequency 50 Hz / 60 Hz
MAG 8000 Standard (7ME6810) and MAG 8000 CT (7ME6820)
Excitation frequency
(24 hours operation) 1/60
Hz
1/30
Hz
1/15
Hz
1/5
Hz
1.5625 Hz 3.125
Hz
6.25
Hz
Two D-Cell
battery 33 Ah
Internal bat‐
tery pack
DN 25 to 150
(1" to 6")
8 years 8 years 6 years 40 months 8 months 4 months 2 months
DN 200 to 600
(8" to 24")
8 years 6 years 4 years 20 months 4 months 2 months N/A
DN 700 to 1200
(28" to 48")
6 years 4 years 2 years 1 year 2 months N/A N/A
Four D-Cell
battery 66 Ah
External bat‐
tery pack
DN 25 to 150
(1" to 6")
N/A 10 years 10 years 80 months 16 months 8 months 4 months
DN 200 to 600
(8" to 24")
N/A 10 years 10 years 40 months 8 months 4 months N/A
DN 700 to 1200
(28" to 48")
10 years 8 years 4 years 2 years 4 months N/A N/A
Typical operation time of 6 years is based on only 80% battery capacity, an operation time/
temperature profile of 5% at 0 °C (32 °F), 80% at 15 °C (59 °F) and 15% at 50 °C (122 °F),
and no use of add-on communication module.
Operation
7.6 Battery-powered operation
SITRANS MAG 8000
Operating Instructions, 11/2018, A5E03071515-AE
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