Chromalox 1601 User Manual

A. 1
DEFAULT PARAMETERS
DEFAULT OPERATOR 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 safety lock must be OFF.
d) The display will show the process variable.
e) Hold down t pushbutton and press s
pushbutton; the display will show:
f) Within 10 seconds press s or t pushbutton.
The display will show:
g) Press FUNC pushbutton; the display will show:
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
parameters loaded during the above procedure:
PARAMETER DEFAULT VALUE
SP = minimum range-value
nnn = OFF
AL = minimum range-value for process alarms
0 for deviation or band alarms
HSA = 0.1 %
PB = 4.0 %
HS = 0.5 %
ti = 04.0 (4 minutes)
td = 1.00 (1 minute)
IP = 30 % for one control output
0 % for two control outputs
C = 20 seconds for relay output
2 seconds for SSR output
rL = initial scale value
rH = full scale value
OLH = 100 %
tOL = infinite
d.O F
L. d t.
d.O n
1601-A-0C.p65 5/2/00, 1:45 PM1

Chromalox 1601 Specifications

General

Brand	Chromalox
Model	1601
Category	Temperature Controller
Language	English