Honeywell UDC 3300 Product Manual page 138

Universal digital controller
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Lower Display
Prompt
RSP SRC
AUTOBIAS
SPTRACK
SP HiLIM
SP LoLIM
ACTION
126
Upper Display
Range of Setting
or Selection
NONE
INP 2
IN AL1
IN AL2
INP 3
ENABLE
DISABL
NONE
PV
RSP
0 to 100 % of span input in
engineering units with
decimal place
0 to 100 % of span input in
engineering units with
decimal place
DIRECT
UDC 3300 Process Controller Product Manual
Parameter
Definition
REMOTE SETPOINT SOURCE—This selection
determines what your remote setpoint source will be when
toggled by the SETPOINT SELECT or Digital Input.
NONE—No remote setpoint,
INPUT 2—Remote Setpoint is Input 2.
INPUT ALGORITHM 1—Remote Setpoint using Input 1
algorithm.
INPUT ALGORITHM 2—Remote Setpoint using Input 2
algorithm.
INP 3—Remote Setpoint is Input 3.
ATTENTION To cycle through the available local
setpoints and remote setpoint, press and hold in the
[SETPOINT SELECT] key. When the key is released, the
setpoint selection currently displayed will be the new
setpoint selection.
AUTO BIAS is used for bumpless transfer when
transferring from local setpoint to remote setpoint. Auto
Bias calculates and adds a bias to the remote setpoint
input each time a transfer is made. Available for any
analog input RSP source and if no tracking is selected.
ENABLE—Enables auto bias.
DISABLE—Disables auto bias.
SETPOINT TRACKING—The local setpoint can be
configured to track either PV or RSP as listed below. Not
configurable when Auto Bias is set.
ATTENTION For selections other than NONE, LSP is
stored in nonvolatile memory only when there is a mode
change; i.e., when switching from RSP to LSP or from
Manual to Automatic. If power is lost, then the current LSP
value is also lost.
NO TRACKING—If local setpoint tracking is not
configured, the LSP will not be altered when transfer from
RSP to LSP is made.
PV—Local setpoint tracks the PV when in manual mode.
RSP—Local setpoint tracks remote setpoint. When the
controller transfers out of remote setpoint, the last value of
the remote setpoint (RSP) is inserted into the local
setpoint.
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 acting control.
DIRECT ACTING CONTROL—The controller's output
increases as the process variable increases.
4/00

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