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APPENDIX A
DEFAULT PARAMETERS
DEFAULT OPERATIVE PARAMETERS
The control parameters can be loaded with
predetermined default values. These data are the
typical values loaded in the instrument prior to
shipment from factory. To load the default values
proceed as follows:
a) The internal switch should be closed.
b) The SMART function should be disabled.
c) The upper display will show the process
variable while the lower display will show the
set point value.
d) Held down t pushbutton and press s
pushbutton; the display will show:
O F F
d F L t
e) Press s or t pushbutton; the display will show:
O N
d F L t
g) Press FUNC pushbutton; the display will show:
L O A d
This means that the loading procedure has been
initiated. After about 3 seconds the loading
procedure is terminated and the instrument
reverts to NORMAL DISPLAY mode.
The following is a list of the default operative
parame-ters loaded during the above procedure:
PARAMETER
DEFAULT VALUE
SP
= minimum range-value
SnRT
= Disable
Appendix A.1
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n.SRt
= OFF
SP2, SP3, SP4 = minimum range value
nnn
= OFF
A1, A2, A3
= min.
range-value for process
alarms
0 for deviation or band alarms
HSA1, HSA2, HSA3 = 0.1 %
Pb
= 4.0 %
HyS
= 0.5 %
ti
= 4.00 (4 minutes)
td
= 1.00 (1 minute)
IP
= 30.0 for one control output
0 for two control outputs
Cy2
= 15 seconds for relay output
4 seconds for SSR output
When two control output are
programmed and OUT 2 = "dir"
the default value will be:
10 seconds for P25 = AIr
4 seconds for P25 = OIL
2 seconds for P25 = H2O
Cy3
= 15 seconds for relay output
When two control output are
programmed and OUT 3 = "dir"
the default value will be:
10 seconds for P25 = AIr
4 seconds for P25 = OIL
2 seconds for P25 = H2O
rC
= 1.00 for P25 = AIr
0.80 for P25 = OIL
0.40 for P25 = H2O
OLAP
= 0
rL
= initial scale value
rH
= full scale value
Grd 1
= infinite (step transfer)
Grd 2
= infinite (step transfer)
OLH
= 100 %
tOL
= infinite
rnP
= 25 %/s.
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Site web : www.hvssystem.com
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