Honeywell UDC3500 - Page 163

Configuration
3/07 UDC3500 Universal Digital Controller Product Manual 147
Function Prompt
Lower Display
Selections or
Range of Setting
Upper Display
Parameter
Definition
AM SP
LAST MODE/LAST SETPOINT—At power-up, the
controller will use the last mode and last Setpoint
used before power down.
AM LSP
LAST MODE/LAST LOCAL SETPOINT—At power-
up, the controller will use the last mode and last
Local Setpoint used before power down.
SP HiLIM
NOTE 1
SETPOINT HIGH LIMIT *—This selection prevents
the local and remote setpoints from going above the
value selected here. The setting must be equal or
less than the upper range of the inputs.
SP LoLIM
NOTE 1
SETPOINT LOW LIMIT *—This selection prevents
the local and remote setpoints from going below the
value selected here. The setting must be equal or
greater than the lower range of the inputs.
* The local setpoint will automatically adjust itself to be within the setpoint limit range. For example, if SP
= 1500 and SP HiLIM is changed to 1200, then the SP will be changed to 1200.
ACTION CONTROL OUTPUT DIRECTION—Select direct or
reverse acting control.
DIRECT
DIRECT ACTING CONTROL—The controller’s
output increases as the process variable increases.
REVRSE
REVERSE ACTING CONTROL—The controller’s
output decreases as the process variable increases.
OUT RATE
DISABLE
ENABLE
OUTPUT CHANGE RATE—Enables or disables the
Output Change Rate. The maximum rate is set at
prompt PCT/M UP or PCT/M DN.
DISABLE—Disables output rate.
ENABLE—Allows output rate.
PCT/M UP
0 to 9999 % per minute
OUTPUT RATE UP VALUE—This selection limits
the rate at which the output can change upward.
Enter a value in percent per minute. Appears only if
OUT RATE is enabled. “0” means no output rate
applied.
PCT/M DN
0 to 9999 % per minute
OUTPUT RATE DOWN VALUE—This selection
limits the rate at which the output can change
downward. Enter a value in percent per minute.
Appears only if OUT RATE is enabled. “0” means no
output rate.
OUTHiLIM HIGH OUTPUT LIMIT—This is the highest value of
output beyond which you do not want the controller
automatic output to exceed.
0 % to 100 %
–5 % to 105 %
For relay output types.
For current output types