Honeywell UDC 3300 사용자 설명서

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UDC 3300 Controller Product Manual

151

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.

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1 2 

1 2  F C 

MAN 

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ALM - Alarm conditions exist

DI - Digital input active

OUT - Control relay 1 or 2 on

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 
• Normal Operation - displays operating parameters and values 
• Configuration Mode - displays function groups and parameters

MAN - controller in manual mode
A - controller in automatic mode

F - °Fahrenheit being used
C - °Centigrade being used

Deviation Bargraph
• Center bar indicates PV is 
within ±1% of setpoint. 
• Next bar will light if PV is 
between ±1% but less than  
±2% in deviation. 
• If PV is equal to or greater than 
±10% deviation, the center bar 
plus all ten deviation bars will 
light.

MAN and A off — 
 communications  
 option active

Keys - See Table 1-1

T - Accutune in progress 
t - PV tune in progress 
L" - Loop 2 display 
I - Cascade control 
C - Computer setpoint active 
O - Output override active 
R - Run SP ramp/program 
H - Hold SP ramp/program

RSP - Remote SP or SP2 active

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3 - LSP 3 active

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.