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User Manual
4.2.5 CONTROL Menus
Th CONTROL menu is sh
e
selecting the CONTROL entry using the D
The CONTROL menu is used to change s
available in the CONTROL menus:
ENTRY
SENSE
SYNC
CLOCK
MODE
California Instruments
Figure 4-6: CONTROL Menus
own in Figure -6 and can be reached by selecting the Menu key,
4
OWN cursor key and then pressing the Enter key.
econdary output p
DESCRIPTION
Selects internal
or external (remo
selected, the voltage is sensed at the output terminal block. If EXT is
selected, the voltage is sensed at the external sense connecto
external sense is selected, care must be taken to connect the
external sense lines at the
meter, twisted pairs should be used.
Selects the external sync mode if available. Default is internal sync,
w
hich means a free running time base. The time base can be
synchronized to an external sync signal depending on installed
options (-EXS option).
Selects
internal or external clock source. The i/iX Series controller
uses an
open-air crystal time base with an accuracy of 100 ppm.
The ext
ernal clock mode is used to support the –LKS option. For
use as an auxiliary unit in a clock and lock system, this field must be
set to EXT. A unit with –LKS option can be used stand-alone if
needed by setting the I
NT clock mode.
The same EXT setting is required to use the –RPF (remote
programming frequency) analog input for frequency programm
the –RPF option is installe
INT
Default, internal clock.
EXT
Auxiliary unit (-LKS) driven by master (-LKM) clock
input.
Note: When selecting EXT mode, make sure the
Clock and Lock BNC cables are connected to the
Master (-LKM) unit. If not, there will be no output o
the –LKS unit. See section 3.9 for connection
information.
Power on clock mode. The following tw
arameters. The following choices are
te) voltage sense mode. If INT is
load. For sense leads longer than 1
d.
o modes can be selected.
2253i / 2253iX
r. If
ing if
n
61
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