California Instruments FCS Series II, User Manual

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User Manual – Rev B FCS Series II
ENTRY DESCRIPTION
Constant Voltage mode. In CV mode, the AC source output will trip
off and stay off until re-engaged. In CC mode, the voltage will be
reduced to maintain the set current level.
4.2.5 CONTROL Menus
Figure 4-5: CONTROL Menus
The CONTROL menu is shown in Figure 4-5 and can be reached by selecting the
Menu
key,
selecting the CONTROL entry using the DOWN cursor key and then pressing the
Enter
key.
The CONTROL menu is used to cha nge secondary output parameters. The following choices
are available in the CONTROL menus:
ENTRY DESCRIPTION
SENSE
Selects the remote sense mode. For the FCS Series II, there is
no
internal sense mode
so selecting INT or EXT will have no effect.
xternal sense lines at the load or at the output terminal
The voltage is always sensed at the output terminal block,
regardless of the selection in this field. Care must be taken to
connect the e
block at all times. For sense leads longer than 1 meter, twisted pairs
should be used.
SYNC Selects the external sync mode if available. Default is i
which means a free running time base. T nternal sync,
he timebase can be
synchronized to either the AC line frequency (-LNS option) or an
tion) depending on the installed option. external sync signal (-EXS op
CLOCK Selects internal or exter CS Series II
controller uses an open-air crystal time base with an accuracy of
is used to support the –LKS
option. For use as an auxiliary unit in a clock and lock system, this
th –LKS option can be used stand-
alone if needed by setting the INT clock mode.
nal clock source. The F
100 ppm. The external clock mode
field must be set to EXT. A unit wi
INT Default, internal clock.
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
on
EXT
Master (-LKM) unit. If not, there will be no output
the –LKS unit. See section 3.9 for connection
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