Installation, Operation and Technical Manual Rectifier Technologies
158-1872-01 57 19-Feb-14
Circuit breaker auxiliary contact circuit input. This input can
be configured to be normally closed, normally open or
disabled (Not Used).
Battery circuit breaker auxiliary contact circuit input. This
input can be configured to be normally closed, normally
open or disabled (Not Used).
Bat Switch Input
Used - N/O
Battery low voltage disconnect switch auxiliary contact
circuit input. This input can be configured to be normally
closed, normally open or disabled (Not Used).
6.6.4 Auxiliary Function Selection & Parameters
The enabling/disabling of auxiliary functions such as AC monitoring, Battery Cell
Monitoring and Site Monitoring is described below. These screens form the last screens
seen when stepping through the MCSU-4 Base Menu.
Press Enter at this screen brings up the auxiliary function
module that are supported.
Auxiliary Units
Press ENTER
6.6.4.1 Single Phase AC Monitoring
When the single phase monitoring module is used in the system, the relevant screens are
activated by programming to “On” the 1 ph AC Monitor. If programmed to “Off” neither the
monitoring nor the programmable parameter screens shown below will be displayed.
Entry point to 1 phase AC monitor sub-menu when this
auxiliary is switched On. If it is switched Off the next screen
will be shown and the rest of the menu items will be hidden.
1-ph AC Monitor
Press ENTER
Displayed when this auxiliary is switched Off.
Displayed when this auxiliary is switched On.
AC voltage high level; if any one of the three phases is
higher than the level programmed here, the MCSU-4 will
report an AC Volt Fail alarm;
AC voltage low level; if any one of the three phases is lower
than the level programmed here, the MCSU-4 will report an
AC Volt Fail alarm;
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