42/24-10 EN Rev. 9 Chapter 1: Preparing the Installation 1-7
Power Supply Information
Gas Analyzer
Power Supply
There is a power supply in the gas analyzer’s central unit (see “Power Supply”
section, Page 1-8). It provides the supply voltage to power the electronics module
and one analyzer module.
Analyzer Module
Power Supply
The analyzer module r
equires a 24 VDC ± 5 % voltage supply.
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 cases:
• 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, the AO2000
power supply installed in the system housing can be used.
• If two analyzer modules are installed in the system housing, a power supply
outside the system housing must be provided. This power supply must equal
the rating of the AO2000 power supply (see “Power Supply” section, Page 1-8).
CAUTION!
Only one analyzer module should be supplied with 24 VDC from the central
unit power supply. A separate 24-VDC supply is required for additional
analyzer modules.
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