Chromalox 1604 User Manual download pdf (Page 36)

A. 1

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 (V101, see fig. 14) should

be closed.

b) The SMART function should be disabled.

c) The instrument should be in Stand-by mode.

d) Held down t pushbutton and press s

pushbutton; the display will show:

e) Press s or t pushbutton; the display will

show:

g) Press FUNC pushbutton; the display will show:

It means that the loading procedure has been

initiated.

After about 3 seconds the loading procedure is

finished and the instrument reverts to NORMAL

DISPLAY mode.

The following is a list of the default operative

parameters loaded during the above procedure:

PARAMETER DEFAULT VALUE

SP = Minimum range-value

SnRT = Disable

n.RSt = OFF

SP2 = Minimum range value

nnn = OFF

AL1, AL2 = Minimum range-value for

process alarms

0 for deviation or band alarms

HSA1, HSA2 = 0.1 %

Pb = 4.0 %

hyS = 0.5 %

ti = 4.00 (4 minutes)

td = 1.00 (1 minute)

IP = 30 %

Cy1 = 15 seconds for relay output

4 seconds for SSR output

Cy2 = 10 seconds for P8 = AIr

4 seconds for P8 = OIL

2 seconds for P8 = H2O

rC = 1.00 for P8 = AIr

0.80 for P8 = OIL

0.40 for P8 = 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

Hbd = 50 % of the full scale value.

SCA = 100 % of the full scale value.

rnP = 25 % of the output per second.

O F F

d F L t

O n

d F L t

LOAd

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