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Oxymitter 4000
3-2
Instruction Manual
IM-106-340, Rev. 4.0
May 2006
Figure 3-1. Electronics Housing
Terminals and Membrane
Keypad
Oxymitter 4000
Configuration
Located on the microprocessor board, the top board, are two switches that
configure outputs for the Oxymitter 4000 (Figure 3-2). SW1 determines if the
4-20 mA signal is internally or externally powered. SW2 determines:
1. Oxymitter 4000 status, HART or LOCAL.
2. Oxygen range, 0 to 10% O
2
or 0 to 25% O
2
. (0 to 40% O
2
is also
configurable only through HART/AMS.)
3. The 4-20 mA signal, at fault or power up, 3.5 mA or 21.6 mA.
SW1 Setting
The two settings are internally or externally powering the 4-20 mA signal. The
factory setting is for the 4-20 mA signal to be internally powered.
37260009
AC L1
AC N
+
+
-
-
4-20
500 VA
SERIAL NO.
TAG NO.
OXYMITTER 4000
WATTS:VOLTS:
FUSE:LINE
OUTPUT:
Rosemount Analytical Inc.
Orrville, OH 44667-0901
85-264 VAC 48-62 Hz
TM
800-433-6076
4-20 mA
R
5 Amps
TM
HART
SMART FAMILY
DIAGNOSTIC
ALARMS
TEST
POINTS
HEATER T/C
HEATER
02 CELL
CALIBRATION
CALIBRATION RECOMMENDED
02 CELL mV +
02 CELL mv -
HEATER T/C +
HEATER T/C -
INC INC
DEC DEC
HIGH
GAS
LOW
GAS
CAL
TEST GAS +
PROCESS -
%02
SW2
TP1
J1
TP2
TP3
RED
YEL
G
R
N
O
RG
TP4
TP5
TP6
O
N
4-20 mA
Signal
Logic I/O
Ground Lugs
Terminal
Block
Oxymitter 4000
Electronics
Housing
Remove power from the Oxymitter 4000 before changing defaults. If defaults are changed
under power, damage to the electronics package may occur.