Instruction Manual
748441-D
April 2002
Rosemount Analytical Inc. A Division of Emerson Process Management
Maintenance and Service 5-37
Model CAT100
c. Power
Supply
The CAT 100 power supply is located in
the base of the explosion proof enclosure,
beneath the analyzer. Removal of the
analyzer (Section 5-2a, page 5-3) is nec-
essary to service the power supply.
Test Point:
TP1 (+ )
TP2 (gnd)
Test Device:
DVM
Signal:
24 V DC (
±
1 V)
Failure:
No voltage or incor-
rect voltage
Possible rea-
sons:
Faulty power supply
(replace)
Figure 5-26. Power Supply Connections
Neutral
Hot
AC
POWER
EMI Board
Fuses
TP1
TP2