Monitoring and Operating the Controller

4.5.2 Viewing the operating parameters

Press the LOWER DISPLAY key to scroll through the operating parameters listed in Table 4-3.The lower display will show only those parameters and their values that apply to your specific model.

Table 4-3 Lower Display Key Parameter Prompts

Lower Display

Description

 

OT XX.X

OUTPUT—Output value is percent; for Three Position Step control, this is an

 

 

estimated motor position and shown with no decimal place.

 

SP XXXX

LOCAL SETPOINT #1—Also current setpoint when using SP Ramp.

 

2LXXXX

LOCAL SETPOINT #2

 

RSXXXX

REMOTE SETPOINT

 

2NXXXX

INPUT 2

 

DEXXXX

DEVIATION—Maximum negative display is –999.9.

 

PIDS X

TUNING PARAMETER SELECTED SET—where X is either 1 or 2.

 

HH.MM

TIME REMAINING—Time that remains on timer in Hours.Minutes

 

 

ELAPSED TIME—Time that has elapsed on timer in Hours.Minutes.

 

 

 

RPXXXM

SETPOINT RAMP TIME—Time remaining in the setpoint ramp in minutes.

 

AX XXX

AUXILIARY OUTPUT

 

SnXXXX

SP RATE SETPOINT—Current setpoint for setpoint rate applications

 

BIXXXX

BIAS—Displays the manual reset value for algorithm PD+MR.

 

To BGn

TO BEGIN—Resets Setpoint Program back to beginning of the program.

 

NoTUNE

Unit is currently not in Accutune process.

 

DoSLOW

Accutune Slow tuning process is operating.

 

DoFAST

Accutune Fast tuning process is operating.

POSXX.XX

Three position

 

 

 

94

UDC2500 Universal Digital Controller Product Manual

4/07

Page 108
Image 108
Honeywell UDC2500 manual Viewing the operating parameters, Lower Display Key Parameter Prompts