Configuration, Startup, and Operation
of Recorder with Display
4/00 DR4300 Circular Chart Recorder Product Manual 103
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
PB2
or
GAIN 2
0.1 % to 999.9 %
or
0.1 to 999.9
[factory setting = 1.0]
RATE2T
0.08 to 10.00 minutes
0.08 or less = OFF
[factory setting = 0.0]
I2 MIN
or
I2 RPM
0.02 to 50.00
[factory setting = 0.02]
PB2 or GAIN 2, RATE2T, and I2 MIN or I2 RPM—
These parallel their counterparts already described.
ATTENTION
If control group parameter “OUTALG”
is “RLYD” (relay duplex), “Tcur” (time/current duplex), or
“CurT” (current/time duplex), and you are using the
recorder in a heat/cool application, these parameters
are used for cooling control.
The following parameters are used for time proportional control, and are available only if:
• the control type specified in the control set up group using the “CTRALG” (control algorithm)
parameter is “PIDA” or “PDMR”
and
• the output algorithm specified in the control set up group using the “OUTALG” parameter is
“RLY” , “RLYD”, “CurT”, or “Tcur”. In the case of “CurT” and “Tcur”, the cycle parameters apply only
to the time-proportioned output.
CYC TI
0 seconds to 120 seconds
[factory setting = 4]
CYCLE TIMER FOR RELAY 1—Use this to specify
length of total cycle time for time proportional control
(proportional control using relay action rather than
current output). In time proportional control the output
(0 % to 100 %) signifies the portion of the cycle for which
the relay is on (“duty cycle”) to achieve the desired
setpoint. For example, with a 10-second cycle time and
an output value of 10 %, the relay would be on for 1
second and off for 9 seconds.
ATTENTION
If control group parameter “OUTALG”
is “RLYD” (relay duplex), and you are using the recorder
in a heat/cool application, CYC TI is used for heat
control. Cooling control would use CYC2TI.
CYC2TI
0 seconds to 120 seconds
[factory setting = 4]
CYCLE TIMER FOR RELAY 2—This prompt will be
displayed only if the control group parameter “OUTALG”
is set to RLYD (relay duplex).
ATTENTION
If you are using the recorder in a
heat/cool application, CYC2TI is used for control of
cooling.
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