Dynisco ATC770, Installation And Operation Manual

Page: 31 / 88

ATC770 Microprocessor-Based Pressure/Process Controller 31
5.4.2 S
ETTING THE
R
EMOTE
S
ET
P
OINT
I
NPUT
F
AILSAFE
M
ODE
The Remote Set Point Failsafe parameter sets the value of the control signal in the event of a failure
of the Remote Set Point signal. The Default value is
Low.
To change or view the Remote Set Point Failsafe Mode, press the
FUNC
key until nonE and GROUP
show on the display. Press the
▲
key until 4 shows in the upper display. Press the
FUNC
key until
the lower display changes to
RI.IFS. Using the
▲
or
▼
keys, select the desired setting:
LO or HI.
When finished, press the
FUNC
key to lock in the value.
5.4.3 S
ETTING THE
R
EMOTE
S
ET
P
OINT
L
IMITS
The Remote Set Point can be limited to a specific output both on the low and the high side. Either
value can be set to the Primary Input Full Scale Value.
To set the Remote Set Point Low parameter, press the
FUNC
key until nonE and GROUP show on
the display. Press the
▲
key until
3 shows in the upper display. Press the
FUNC key until the lower
display shows SP.LO. Using the
▲
or
▼
keys, select the desired value from the default 0 to the
Primary Input Full Scale Value (PI.FSV). When finished, press the
FUNC
key to lock in the value and
advance to the next variable, the Remote Set Point High parameter SP.HI.
To set the Remote Set Point High parameter, press the
▲
or
▼
keys, select the desired value from the
default PI.SFV to the value selected in SP.LO. When finished, press the
FUNC
key to lock in the
value and advance to the next parameter, or press the
A/M
key to go back to the active display.
5.4.4 S
ETTING THE
L
OCAL
R
EMOTE
S
ET
P
OINT
S
ELECTION
Either the Remote Set Point or local control can be used to start the process. To select the start mode,
press the
FUNC
key until nonE and GROUP show on the display. Press the
▲
key until 2 shows in
the upper display. Press the
FUNC
key until the lower display shows LR.SP. Using the
▲
or
▼
keys,
select the desired value from the default
LOC (local) to rEn (remote). When finished, press the
FUNC
key to lock in the value. Press the
A/M
key to go back to the active display. The selection of
LR.SP is stored in nonvolatile memory, and this selection will be saved even if the instrument has
been totally shut down. On start-up, the
LR.SP status will be restored as set.
6. C
ONFIGURATION
6.1 P
RIMARY
I
NPUT
S
ETUP
6.1.1 S
ETTING THE
P
RIMARY
I
NPUT
T
YPE FOR A
S
TRAIN
G
AGE
T
RANSDUCER
If you have an amplified transducer, or other amplified input, skip to Section 6.1.2, otherwise, if
using a
Dynisco transducer, the model number of the transducer will designate its own electrical
output. For example, in plastic melt applications, the PT462E-5M-6/18 or TPT432A-10M-6/18 have