6
EN / SCM20 & SCM40 PWM User’s Manual
2.4 LCD
DISPLAY
Use the
MENU
and
OK
button (Figure 1, items 1
and 2) to operate the Solar Chargemaster
Explanation of the symbols used on the screen:
Item
Indication
Meaning
PV Array
Daytime, not
charging
Daytime, charging
Night
PV voltage, current
and Ah’s
Total Charged Ah
from the PV-array
Battery
Battery capacity
Battery voltage
(programmable)
Battery current
Battery state of
charge (in %)
Temperature
Battery tyoe
(programmable)
Load
Load voltage, current
and Ah (24hrs cycle)
The total discharge
Af of the load
Load mode
(programmable)
Load is off
Load is on
Fault
Fault condition, see
section 4
2.5 MONITORING
There are three monitoring modes:
Automatic Scrolling Mode
: the LCD-display is
automatically scrolling through a selection of screens.
Manual Scrolling Mode
; Press
OK
shortly to scroll
through all screens manually.
Static Display Mode
: Hold
MENU
and
OK
pressed
simultaneously for 1 second to lock the screen. Hold
MENU
end
OK
pressed simultaneously for 1 second
again to return to the Automatic Scrolling Mode.
Below table shows the available screens.
(#) = not shown in Automatic Scrolling Mode
(!) = not relevant if the load is directly connected
to the battery; see section 3.5.
= you can enter the configuration mode from
this screen; see section 2.6.
Screen
Meaning
Voltage at the PV input.
Current of the PV array.
(#) Charged Ah.
(#)Total Charged Ah from
the PV-array.
Battery voltage
See section 2.6 for
configuration of the Low
voltage disconnect function.
(!) Battery current.
Positive = charging.
Negative = discharging.
(!) State of charge (available
energy in %) of the battery.
Temperature of the battery in
°C. Only shown if battery
temperature sensor is
connected.