Emerson 4000 manual Power UP, General Operation

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

SECTION 5

STARTUP AND OPERATION

OF OXYMITTER 4000 WITH MEMBRANE KEYPAD

5-1 POWER UP		c.	Error
a.	Startup Display		If there is an error condition at startup, one
			of the diagnostics LEDs will be blinking.
	When power is applied to the probe, the cell		Refer Section 7, TROUBLESHOOTING, to
	heater turns on. It takes approximately one		determine the cause of the error. Clear the
	half hour for the cell to heat to operating		error, cycle power, and the operating dis-
	temperature. This condition is indicated by		play should return.
	the top four LEDs (DIAGNOSTIC ALARMS)	d.	Keypad
	on the membrane keypad (Figure 5-1).
	Starting with the CALIBRATION LED, the		The five membrane keys on the membrane
	LEDs light in ascending order until all four
			keypad are only used during calibration to
	LEDs are on. At this point, all four turn off
			adjust the high and low gas and to initiate
	and the cycle starts again. This ramp cycle
			the calibration sequence (Figure 5-2).
	continues until the cell is up to operating
	temperature.
b.	5-2	GENERAL OPERATION
	Operating Display	a.	Overview
	The ramp cycle turns into a cycle where the
	diagnostic LEDs light in sequence from the		Ensure the Oxymitter 4000 is at normal op-
	top to the bottom, one at a time. After the		eration. The diagnostic LEDs will display the
	bottom LED turns on, the sequence starts		operating cycle. All other LEDs should be
	again at the top with the HEATER T/C LED.		off.

HEATER T/C

	HEATER T/C
DIAGNOSTIC	HEATER	SW2
ALARMS	O2 CELL	ON
	CALIBRATION

CALIBRATION RECOMMENDED

HEATER

O2 CELL

CALIBRATION

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 TP2 TP3 TP4

TP5 TP6

J1 RED YEL GRN ORG

1 2 3 4 1 2 3 4

LIGHTING SEQUENCE DURING WARM-UP

(STARTUP DISPLAY)

HEATER T/C

HEATER

O2 CELL

CALIBRATION

1 2 3 4 1 2 3 4

LIGHTING SEQUENCE DURING NORMAL OPERATION

(OPERATING DISPLAY)

22220056

Figure 5-1. Startup and Normal Operation

Rosemount Analytical Inc. A Division of Emerson Process Management Startup and Operation with Keypad 5-1