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Instruction Manual
IB-106-340 Rev. 2.4
April, 2001
6-4 Maintenance and Service Rosemount Analytical Inc. A Division of Emerson Process Management
Oxymitter 4000
SW2 DIP SWITCH
HART
LOCAL
0-10%
0-25%
4mA 20mA
NOT USED
NOT USED
LED
HEATER
O2 CELL
CALIBRATION
HEATER T/C
STATUS
OPEN
SHORTED
REVERSED
HIGH HIGH
TEMP
HIGH CASE
TEMP
LOW TEMP
HIGH TEMP
OPEN
BAD
EPROM
CORRUPT
INVALID SLOPE
INVALID
CONSTANT
FLASHES
1
2
3
4
1
2
OPEN
3
4
5
1
3
4
1
2
PUSH CAL
CAL LED ON
APPLY TG1
PUSH CAL
CAL LED ON SOLID
REMOVE TG1 & APPLY TG2
PUSH CAL
CAL LED ON SOLID
WAIT FOR FLASH
REMOVE TG2
PUSH CAL
1
2
3
4
5
6
7
ALARMS
MANUAL
CALIBRATION
CAL LED ON FOR
PURGE TIME
WAIT FOR FLASH
CAL LED OFF
PUSH CAL
CAL LED FLASH
2 FLASH-VALID CAL
3 FLASH-INVALID CAL
8
PLACE CONTROL LOOP
IN MANUAL
IF CAL LED ON
GO TO STEP 2
*
*
3
LAST CAL
FAILED
A/D COMM
ERROR
29770005
Figure 6-3. Inside Right Cover
Use the following to perform a manual
calibration:
(a) Place control loop in manual.
(b) Verify the calibration gas parame-
ters are correct (paragraph 6-2a).
(c) If performing a manual calibration
with CALIBRATION RECOM-
MENDED LED off and the CAL
LED off, start at step 1.
(d) If performing a manual calibration
with CALIBRATION RECOM-
MENDED LED on and the CAL
LED on, start at step 2.
1 Push the CAL key. The CALI-
BRATION RECOMMENDED
LED will come on and the
CAL LED will be on solid. If a
multimeter is attached across
TP5 and TP6, the reading will
display the percentage of
oxygen seen by the cell.
2 Push the CAL key. The CALI-
BRATION RECOMMENDED
LED will turn off and the CAL
LED will flash continuously.
The Oxymitter 4000 can be
configured so that the 4-
20 mA signal will hold the last
value. The default condition is
for the output to track. the
flashing LED indicates that
the Oxymitter 4000 is ready to
accept the first calibration
gas.
3 Apply the first calibration gas.
(Electronics will abort the cali-
bration if step 4 is not done
within 30 minutes).
4 Push the CAL key; the CAL
LED will be on solid. A timer is
activated to allow the calibra-
tion gas adequate time to flow
(default time of five minutes).
When the timer times out, the
Oxymitter 4000 has taken the