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center of the proportional band, a pulse
value of 1 provides an output of one sec-
ond on and one second off (50% output). A
pulse value of 2 provides an output of one
second on and two seconds off (33% out-
put). Output at center of band equals one
second on, 2
(pulse value-1)
seconds off.
ProP For Current (Code 5) outputs only.
tun2tun2
tun2tun2
tun2 Tuning Choice: Select
SELFSELF
SELFSELF
SELF,
PidPid
PidPid
Pid,
SLOSLO
SLOSLO
SLO,
nornor
nornor
nor, or
FAStFASt
FAStFASt
FASt.
SELFSELF
SELFSELF
SELF The Controller will evaluate the Process and se-
lect the PID values to maintain good control.
Lrn2Lrn2
Lrn2Lrn2
Lrn2 Select
YESYES
YESYES
YES or
nono
nono
no
YESYES
YESYES
YES Start Learning the Process. After
the process has been learned the
menu item will revert to
nono
nono
no.
nono
nono
no Learning will stay in present mode.
dFC2dFC2
dFC2dFC2
dFC2 Damping factor, Select
OFFOFF
OFFOFF
OFF,
11
11
1 to
77
77
7. Sets
the ratio of Rate to Reset for the SELF tunE
mode.
77
77
7 = most Rate. Factory set to
33
33
3. For
a fast response process the value should
be lowered (less Rate). For a slower pro-
cess the value should be increased (more
Rate).
PidPid
PidPid
Pid Manually adjust the PID values. PID control con-
sists of three basic parameters, Proportional Band
(Gain), Reset Time (Integral), and Rate Time
(Derivative).
Pb2Pb2
Pb2Pb2
Pb2 Proportional Band (Bandwidth). Select
11
11
1 to
99999999
99999999
9999 °F, °C, or counts.
rES2rES2
rES2rES2
rES2 Automatic Reset Time. Select
OFFOFF
OFFOFF
OFF,
0.10.1
0.10.1
0.1 to
99.999.9
99.999.9
99.9 minutes. Select
OFFOFF
OFFOFF
OFF to switch to
OFS2OFS2
OFS2OFS2
OFS2.
OFS2OFS2
OFS2OFS2
OFS2 Manual Offset Correction Select
OFFOFF
OFFOFF
OFF,
0.10.1
0.10.1
0.1 to
99.999.9
99.999.9
99.9%. Select
OFFOFF
OFFOFF
OFF to switch to
rES2rES2
rES2rES2
rES2.
rtE2rtE2
rtE2rtE2
rtE2 Rate Time. Select
OFFOFF
OFFOFF
OFF,
0.010.01
0.010.01
0.01 to
99.9999.99
99.9999.99
99.99 min-
utes, Derivative.
SLOSLO
SLOSLO
SLO PID values are preset for a slow response pro-
cess.
nornor
nornor
nor PID values are preset for a normal response
process.
FAStFASt
FAStFASt
FASt PID values are preset for a fast response process.
ArS2ArS2
ArS2ArS2
ArS2 Anti- Reset Windup Feature: Select
OnOn
OnOn
On or
OFFOFF
OFFOFF
OFF.
OnOn
OnOn
On Reset Offset value will be cleared to 0% when the
process input is not within the Proportional Band.