42 AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B
Power supply
Gas analyzer power supply
A power supply is installed in the central unit of the gas analyzer. It provides
the supply voltage to power the electronics module.
Analyzer module power supply
The analyzer module requires a 24 V DC voltage supply ± 5 %.
If the analyzer module is installed in the central unit, power can be supplied
by the central unit power supply.
If the analyzer module is installed in a separate system housing rather than
in the central unit, a distinction has to be made between three housings:
• The analyzer module can be powered by the central unit power supply if
the optional power line filter -Z01 is installed in the central unit and no
analyzer module is installed in the central unit.
• If only one analyzer module is installed in the system housing, an
AO2000 power supply can be installed in the same system housing.
• If two analyzer modules are installed in the (separate) system housing, a
power supply outside the system housing must be provided. This power
supply unit must comply with the specifications of the AO2000 power
supply unit.
NOTE
Only 1 analyzer module may be supplied with 24 VDC from the central unit
power supply! A separate 24 VDC supply is required for additional analyzer
modules.
Power supply
The central unit power supply provides 24 VDC for the electronics module
and one analyzer module installed in the central unit or one external analyzer
module.
Input voltage 100 to 240 VAC, −15 %, +10 %
Input current max. 2.2 A
Line frequency range 50 to 60 Hz ± 3 Hz
Power consumption max. 187 VA
Output voltage 24 V DC ± 3 %
Connection 3-pin grounded-instrument connector to
EN 60320-1/C14, connecting cable supplied
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