Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 2.4 April, 2001

MOUNTING SCREW

MOUNTING

SCREW

HEATER T/C

DIAGNOSTIC HEATER

ALARMS O2 CELL CALIBRATION

CALIBRATION RECOMMENDED

SW2

ON

J1

 

SMART FAMILY

 

HART

OXYMITTER 4000

 

SERIAL NO.

 

TAG NO.

 

VOLTS: 85-264 VAC WATTS:48-62 Hz

500 VA

OUTPUT: 4-20 mALINE FUSE:

5 Amps

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

 

MOUNTING SCREW

26170018

Figure 6-5. Electronic Assembly

2.Remove the right housing cover un- covering the electronic assembly (Figure 6-5).

3.Depress and remove the J1 (cell and T/C) connector from the J1 socket. Loosen the three captive mounting screws on the microprocessor board (top board).

4.The J8 connector (heater leads) can be accessed by moving the J1 connector leads out of the slot on the microproc- essor board and sliding the electronic assembly partially out of the housing (Figure 6-6).

5.Squeeze the J8 connector on the sides and carefully remove. The electronic assembly can now be completely re- moved from the housing.

8.Hold the J1 and J8 connectors out and to the probe side of the electronic housing. Make sure that the conduit port of the electronic housing is on the same side as the CAL and REF gas ports. Replace the four screws and tighten.

6

9.Reconnect the J8 connector to the power supply board. Make sure the connector is secure.

1

+

POWER

SUPPLY

BOARD

+

+

6.Remove the four screws (7, Figure 6-1)from the probe finned housing. The probe and the electronic housing can now be separated.

5A

250VAC

TIME LAG

3D39619G

+

+J8

1

+

+

7.When reinstalling or replacing the electronic housing, make sure that O- ring (10) is in good condition. Place the J1 and J8 connectors in the hole on the flat side of the electronic housing.

REV

22220061

Figure 6-6. J8 Connector

Rosemount Analytical Inc. A Division of Emerson Process Management

Maintenance and Service 6-9

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Image 83
Emerson Process Management IB106-340 instruction manual Electronic Assembly