Be42 OEM's Manual V5.0.XX - December - 2010 page 4
4
Section 1.0 Introduction
The Be42 integrates a 3-Phase Automatic Mains Failure controller and a Generating Set controller. The Be42
provides visual indication by means of LEDs and Displays for Engine & Electrical parameters, Alarms and Status
of the contactors. It features 7 modes of operation and provides a RS485 interface for remote control &
monitoring. Figure 1 presents the panel layout
.
Figure 1: Front Panel layout
Section 2.0: Selection of the Mode of operation
When you apply the DC supply, the display indicates for a second, the version of the software (example 5.0.84)
and the date of production (example 48.10, that means week 48 of year 2010). The modes of operation are
selected by pushbuttons and indicated by means of green LEDs as below indicated:
TEST
AUTO
OFF
MAN
OFF
TEST
AUTO
Pushbutton
Pushbutton
Pushbutton
Pushbutton
MANUAL Mode
green LED
Operating Modes Pusbuttons
TEST Mode
green LED
AUTO Mode
green LED
Operating Modes
Note: default programming for input #36 is ‘normally closed ‘. To inhibit the alarm
[Er.08]
you are required to connect to ground terminal #36 (Emergency input).
Every time the power supply is switched on, if the BE42 was in TEST or AUTO prior to power down, the Be42
returns to the “AUTO” mode. In the other cases, the Be42 will enter the OFF mode. The following table indicates
the modes of operation.
Alarm
messages
Display control
& indicators
Alarm
acknowledge
pushbutton
Mode
pushbuttons & LEDs
Contactors
Control
Manual Engine
Control
Engine
A
V
Hz / R.P.M.
h / Prog.
F1
F2
F3
F4
F5
F8
F9
F6
F7
F10