Honeywell DR4500A - Page 109

Configuration Parameter Definitions
Control Parameters Set Up Group
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 95
April 2017
Lower Display
Prompt
Upper Display
Range of Setting or Selection
Parameter Definition
REM SW
REM SW2
REMOTE SWITCHING (DIGITAL INPUT) — contact
closure enables one of the following:
NONE
NO DIGITAL INPUT SELECTION
TO MAN
TO MANUAL — contact closure selects Manual mode.
TO LSP
TO LOCAL SETPOINT — contact closure selects the
local setpoint.
TO 2SP
TO LOCAL SETPOINT 2 — contact closure selects
local setpoint 2.
TO DIR
TO DIRECT ACTION — contact closure selects Direct
Control Action.
RN/HLD
RUN/HOLD — contact closure suspends setpoint
Ramp/Program. Contact open resumes.
TUNE
AUTOTUNE — contact closure initiates Autotune.
TIMER
TIMER — starts the timer, if enabled.
The Timer can also be started by the RH KEY or
ALARM2. These parameters are found under the Timer
set up group.
MAN KEY
ENABLE
DISABL
MANUAL MODE KEY SELECTION — make selection
to enable or disable the Manual Mode selection through
the MAN/AUTO key.
ENABLE — allows you to use the MAN/AUTO key to
select Manual Mode.
DISABLE — disables the MAN/AUTO key.
PB or GAIN
PROPORTIONAL BAND UNITS — select one of the
following for the Proportional (P) term of the PID
algorithm:
PB PCT
 PROPORTIONAL BAND — selects units of percent
proportional band for the P term of the PID algorithm,
where:
PB% = 100%FS
GAIN
GAIN
(must be used with settings of
TIME D (TIME DUPLEX) or TI
CUR (TIME CURRENT)
 GAIN selects the unitless term of gain for the P term
of the PID algorithm, where:
GAIN =100%FS
PB%