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Instruction Manual
748297-E
June 2003
Installation Rosemount Analytical Inc. A Division of Emerson Process Management
2-6
Model NGA2000 HFID
2-5 ELECTRICAL CONNECTIONS
Two electrical connections are required on the
Analyzer Module: POWER and NETWORK
(See Figure 2-3 below). On the Analyzer Mod-
ule, two NETWORK connectors are available,
either of which is appropriate for: 1) intercon-
nection with the control module or 2)
"daisy-chaining" with other NGA2000 compo-
nents. Connect Analyzer Module POWER to an
external +24 VDC power source with a voltage
tolerance of ±5% and a minimum power rating
of 120 watts.
Figure 2-3. Front Panel Electrical
Connections
Figure 2-4. Front Panel Connections, Controls and Indicators
NETWORK1
NETWORK2
FUSE
POWER
FUEL
BURNER
A
IR
T 6A
250 V
POWER
OVEN
HEAT
FLAME
ON
PURGE
A
IR
IGNITE
FUEL
OVERRIDE
24V
1 +
2 -
3 GND
LON
1
LON
2
HFID
!
WARNING
POSSIBLE
EXPLOSION HAZARD
Hydrogen fuel gas is used in this instrument.
Do not remove fuel restrictor or operate at
greater than 50 psig. An explosion resulting
in severe personal injuryordeathcould occur.
!
ATTENTION
DANGER D
′
EXPLOSION
Cet instrument contient du gaz hydrogene. Ne
retirez pas le limitateur d
′
de
combustible, et n
′
operez pas au plus de 50
psig
Ces conditions
p
euvent
p
rovo
q
uer une ex
p
losion
!
WARNING
POSSIBLE
EXPLOSION HAZARD
Do not operate flammable
sample without following
instructions in the Manual.
A
n explosion resulting in
severe personal injury or
death could occur.
Ne pas utiliser l
′
echantillon
inflammable avant d
′
avoir pris
connaissance des instructions
contenues dans le manuel. Le
non respect de ces instructions
peut entrainer une explosion
provoquant des blessure graves
ou mortelles.
!
ATTENTION
DANGE
R