User's Manual

Instruction Manual
748332-F
April 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Installation 2-5
Model NGA2000 NDIR
Figure 2-4. NDIR Wiring Diagram
SAMPLE J2-1
SOURCE J2-2
REFERENCE J2-3
SOURCE J2-4
POWER
SUPPLY
BOARD
PRESSURE
COMPENSATION
BOARD
J7
J2
J4
J9
J3
J11
J8
J1
J15
J14
J6 J10
J5
1 2 3 4
1 2
FLOW SENSOR
FAN ASSEMBLY
RESISTOR
MODULATION CHECK
HEATSINK/SOURCE
DRIVER
MOTOR ASSEMBLY
REF SOURCE
SOURCE
A
SS
Y
SAMPLE SOURCE
CASE TEMPERATURE
SENSOR
°
C
CHASSIS
GROUND
DETECTOR BASE
FUSE, THERMAL
CUTOFF
RTD, TEMP CTRL
HEATER
SENSOR
°
C
OSCILLATOR
BOARD
J1
LON/POWER
BOARD
J5
E2 24V
E1
RTN
E3
RECORDER
OUTPUT
SIGNAL
BOARD
J7
J4
J6
J2
J3 J1
J5
COMPUTER BOARD
J4 J5 J6
J1
J7
J2
J3