Emerson Oxymitter 4000 Instruction Manual download pdf (Page 67)

Instruction Manual

IM-106-340, Rev. 4.0

February 2006

Oxymitter 4000

http://www.processanalytic.com

Section 5 Startup and Operation of

Oxymitter 4000 with Membrane

Keypad

PowerUp .......................................page5-1

Operation.......................................page5-2

POWER UP Startup Display

When power is applied to the probe, the cell heater turns on. It takes

approximately one half hour for the cell to heat to operating temperature. This

condition is indicated by the top four LEDs (DIAGNOSTIC ALARMS) on the

membrane keypad (Figure 5-1). Starting with the CALIBRATION LED, the

LEDs light in ascending order until all four LEDs are on. At this point, all four

turn off and the cycle starts again. This ramp cycle continues until the cell is

up to operating temperature.

Operating Display

The ramp cycle turns into a cycle where the diagnostic LEDs light in sequence

from the top to the bottom, one at a time. After the bottom LED turns on, the

sequence starts again at the top with the HEATER T/C LED (Figure 5-1).

Figure 5-1. Startup and Normal Operation

DIAGNOSTIC

ALARMS

TEST

POINTS

HEATER T/C

HEATER

O2 CELL

CALIBRATION

CALIBRATION RECOMMENDED

O2 CELL mV +

O2 CELL mv -

HEATER T/C +

HEATER T/C -

INC INC

DEC DEC

HIGH

GAS

LOW

GAS

CAL

TEST GAS +

PROCESS -

% O2

SW2

TP1

TP2

TP3

RED

YEL

GRN

ORG

TP4

TP5

TP6

HEATER T/C

HEATER

O CELL

CALIBRATION

1 2 3 4 1 2 3 4

HEATER T/C

HEATER

O CELL

CALIBRATION

1 2 3 4 1 2 3 4

Lighting sequence during normal operation

(Operating display)

Lighting sequence during warm-up

(Startup display)

22220056

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 175 176

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Emerson Oxymitter 4000 Instruction Manual Page 67

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