Honeywell UDC 3300 manual Monitoring Your Controller, Operator interface, Decimal point position

5.4 Monitoring Your Controller

Operator interface

The indicators and displays on the operator interface let you see what is happening to your process and how the controller is responding.

Figure 5-1 is a view of the operator interface. A description of the displays and indicators is included.

Figure 5-1 Operator Interface

Upper Display - six characters

•Normal Operation - four digits dedicated to display the process variable

•Configuration Mode - displays parameter value or selection

	Lower Display - eight characters
T - Accutune in progress	• Normal Operation - displays operating parameters and values
t - PV tune in progress	• Configuration Mode - displays function groups and parameters
L" - Loop 2 display		Indicator definition when lit
I - Cascade control	F - °Fahrenheit being used							MAN - controller in manual mode			MAN and A off —
C - Computer setpoint active	C - °Centigrade being used							A - controller in automatic mode			communications
O - Output override active											option active
R - Run SP ramp/program
H - Hold SP ramp/program
Indicator definition when lit							F C
ALM - Alarm conditions exist		ALM 1 2						MAN
DI - Digital input active		DI	1 2 3				R 3300		%
RSP - Remote SP or SP2 active										• Center bar indicates PV is
		RSP
3 - LSP 3 active										Deviation Bargraph
						SP 3300				• Next bar will light if PV is
OUT - Control relay 1 or 2 on		OUT1 2
										within ±1% of setpoint.
										between ±1% but less than
		FUNCTION			LOWER			MANUAL	SETPOINT	±2% in deviation.
										• If PV is equal to or greater than
		LOOP 1/2		DISPLAY				AUTO	SELECT
										±10% deviation, the center bar
Keys - See Table 1-1
										plus all ten deviation bars will
									RUN
		SET UP								light.
									HOLD
										24157
Decimal point position	In each display, when no decimal place is configured, the right-most
	character is blank.

When a single decimal position has been configured and values greater than 1000 are displayed, the right-most character is blank but the decimal point will be lit.

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