Emerson Process Management OXYMITTER 4000 instruction manual

Hazardous Area Oxymitter 4000

Instruction Manual

IB-106-340C Rev. 4.1 July 2004

1.Access TP5 and TP6 next to the mem- brane keypad. Attach a multimeter across TP5 and TP6. The calibration and process gases can now be moni- tored. Pressing the INC or DEC once will cause the output to switch from the process gas to the calibration gas. Pressing INC or DEC a second time will increase or decrease the calibra- tion gas parameter. If the keys have been inactive for one minute, the

output reverts to the process gas. When a calibration has been initiated, the value at TP5 and TP6 is the %O2 seen by the cell. Oxygen levels, as seen on the multimeter, are:

	8.0% O2	= 8.0 VDC
	0.4% O2	= 0.4 VDC
2.	HART/AMS.
3.	Model 751. The loop-driven LCD		3
	display.

4-20 mA IS

INTERNALLY

POWERED (DEFAULT)

4-20 mA REQUIRES EXTERNAL POWER

HART: O2 RANGE SET BY HART/AMS (FROM 0 TO 40% O2)

LOCAL: O2 RANGE SET BY POS 2 0 TO 10% O2 /

0 TO 25% O2: O2 RANGE

3.5mA/21.6 mA: WHEN ALARM EXISTS, OR ON POWER-UP, OUTPUT CURRENT GOES TO THIS VALUE

	OFF	ON
			LOCAL
HART
0 TO 10% O2			0 TO 25% O2
3.5 mA			21.6 mA
220 V			115 V

DEFAULT

POSITION

(EX-FACTORY)

HEATER T/C

DIAGNOSTIC HEATER

ALARMS O2 CELL CALIBRATION

CALIBRATION RECOMMENDED

SW2

ON 1

2

3

4

NOTE:

THE 115 V OPTION AT SWITCH SW2 POSITION 4 IS ACTIVE ONLY WHEN THE HEATER VOLTAGE

TEST

POINTS

INC INC

HIGH LOW

GAS GAS

DEC DEC

O2 CELL mV +

O2 CELL mV - HEATER T/C + HEATER T/C -

CAL

TEST GAS + PROCESS - % O2

TP1	J1
TP2
TP3
TP4	RED YEL GRN ORG

TP5

TP6

OPTION IS SET TO MANUAL IN THE SOFTWARE (AUTO TUNE = NO).

37270001

Figure 3-2. Defaults – Hazardous Area Oxymitter 4000 with Membrane Keypad

Rosemount Analytical Inc. A Division of Emerson Process Management Configuration with Keypad 3-3