Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

ALARMS

LED

FLASHES

STATUS

 

1

OPEN

 

2

SHORTED

HEATER T/C

3

REVERSED

 

 

4

A/D COMM

 

ERROR

 

 

 

1

OPEN

 

2

HIGH HIGH

 

TEMP

 

 

HEATER

3

HIGH CASE

TEMP

 

 

4

LOW TEMP

 

5

HIGH TEMP

 

1

OPEN

O2 CELL

3

BAD

 

 

 

4

EPROM

 

CORRUPT

 

 

 

1

INVALID SLOPE

CALIBRATION

2

INVALID

 

CONSTANT

 

 

 

3

LAST CAL

 

FAILED

 

 

MANUAL

CALIBRATION

*PLACE CONTROL LOOP IN MANUAL

*IF CAL LED ON GO TO STEP 2

1

PUSH CAL

CAL LED ON

 

2

PUSH CAL

CAL LED FLASH

 

3APPLY TG1 PUSH CAL

4CAL LED ON SOLID WAIT FOR FLASH

5REMOVE TG1 & APPLY TG2

PUSH CAL

CAL LED ON SOLID

6WAIT FOR FLASH

2 FLASH-VALID CAL

3 FLASH-INVALID CAL

7REMOVE TG2

PUSH CAL

CAL LED ON FOR

8PURGE TIME CAL LED OFF

SW2 DIP SWITCH

HART 0-10% 4mA

NOT USED

LOCAL 0-25%

20mA

NOT USED

29770005

Figure 9-2. Inside Right Cover

CALIBRATION RECOMMENDED alarm signals an IMPS 4000 or SPS 4000 to initiate a calibration. The se- quencer sends an “in cal” signal to the control room so that any automatic control loops can be placed in manual. Then, the sequencer begins to se- quence the calibration gases.

3.Manual calibrations must be performed at the Oxymitter 4000 site and require operator intervention throughout the process. Manual calibration instruc- tions, in condensed form, are on the inside of the right electronics housing cover (Figure 9-2). For units with a membrane keypad, use the following to perform a manual calibration. For units with an LOI, refer to paragraph 9-3.

(a)Place control loop in manual.

(b)Verify the calibration gas parame- ters are correct (paragraph 9-2a).

(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.

1Push 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.

2Push the CAL key. The CALI-

BRATION RECOMMENDED LED will turn off and the CAL LED will flash continu- ously. The Oxymitter 4000 can be configured so that the

Rosemount Analytical Inc. A Division of Emerson Process Management

Maintenance and Service 9-3

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Emerson 4000 manual Alarms, Manual Calibration
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4000 specifications

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