Technical data
11.1 Technical data
SENTRON PAC4200
System Manual, 09/2009, A5E02316180B-02
177
Power supply
Design of the power supply. Wide-voltage power supply AC / DC
Rated range 95 … 240 V AC (50/60 Hz) or
110 … 340 V DC
Work area ± 10% of AC/DC rated range
Power consumption
Without expansion module Typically 11 VA AC, 5.5 W DC
With 2 expansion modules Max. 32 VA AC, max. 11 W DC
Overvoltage category CAT III
Battery
Types BR2032
CR2032
(not rechargeable)
Approved in accordance with UL1642
Nominal voltage 3 V
Nominal discharge current 0.2 mA
Minimum permissible reverse current to the
battery
5 mA
Ambient temperature The battery must be designed for at least 70°C.
Service life 5 years under the following conditions:
2 months backup time per year at 23°C,
10 months continuous operation per year at the
maximum permissible ambient temperature
Retention of data and time of day in the absence of the supply voltage
The backup time after 5 years operation is approximately 2 months under the following
conditions: 2 months backup time per year at 23°C, 10 months continuous operation per
year at the maximum permissible ambient temperature.
Memory
The long-term memory is sufficient to save up to four measured variables and their extreme
values every 15 minutes for 40 days.
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