Honeywell UDC3500 Product Manual page 142

Configuration
Function Prompt
Lower Display
PWR OUT
For Three Position
Step Control Only
(Note 3)
SP HiLIM
SP LoLIM
* 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
128
Selections or
Range of Setting
Upper Display
A LSP
A RSP
AM SP
AM LSP
LAST
F'SAFE
NOTE 5
NOTE 5
DIRECT
REVERSE
UDC3500 Universal Digital Controller Product Manual
Parameter
Definition
AUTOMATIC MODE, LAST LSP—At power-up, the
controller will use automatic mode with the last local
setpoint used before power down displayed.
AUTOMATIC MODE, LAST RSP—At power-up, the
controller will use automatic mode with the last
remote setpoint used before power down displayed.
LAST MODE/LAST SETPOINT—At power-up, the
controller will use the last mode and last Setpoint
used before power down.
LAST MODE/LAST LOCAL SETPOINT—At power-
up, the controller will use the last mode and last
Local Setpoint used before power down.
THREE POSITION CONTROL STEP OUTPUT
START-UP MODE—This selection determines what
position the motor will be in when powered up or in
the failsafe position.
LAST OUTPUT—At power-up in automatic mode,
the motor position will be the last one prior to power
down. When the unit goes into FAILSAFE, it will stay
in automatic mode. The motor will not be driven to
the configured failsafe position.
FAILSAFE OUTPUT—At power-up in manual mode,
the motor will be driven to either the 0 % or 100 %
output position, whichever is selected at prompt
FAILSAFE. For Burnout/None, when the unit goes
into FAILSAFE, it will go to manual mode. The motor
will be driven to the configured failsafe position.
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.
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.
CONTROL OUTPUT DIRECTION—Select direct or
reverse output action.
DIRECT ACTING CONTROL—The controller's
output increases as the process variable increases.
REVERSE ACTING CONTROL—The controller's
output decreases as the process variable increases.
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