Be126 NFPA20 Installation Manual V4XX - 03 Nov - 2018 page 39
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Section 40.0 - TERMINAL DESCRIPTION (1 OF 4)
!! WARNING !! ANY INTERRUPTION OF THE PROTECTIVE GROUND OR DISCONNECTION OF
THE PROTECTIVE EARTH IS LIKELY TO MAKE THE Be126 DANGEROUS
MAINS (UTILITY POWER) VOLTAGE CONNECTION
40.0.1
Connector JA (6 Poles) Mains Voltage Inputs
JA-1
Not used
JA-2
Mains Voltage
600Vac max
Phase-Phase
R
You are required to connect these terminals to the Mains. We
recommend that you protect the cables by using 1A (fast blow)
fuses. The Be126 will monitor the status of the Mains according
to your settings (see Mains Parameters in section 22.0).
NFPA 20 or UNI-EN 12845 do not require Mains monitoring.
JA-3
S
JA-4
T
JA-5
N
JA-6
Not used
AUXILIARY DIGITAL OUTPUTS
40.0.2
Connector JB: (5 Poles) NPN Short Circuit Proof Static Auxiliary Outputs
NOTE:
the outputs are ‘active low’ (300mA nominal current)
JB-1
ENGINE IS RUNNING
You can connect an external lamp or an auxiliary relay that energizes when the
engine is running.
JB-2
NOMINAL SPEED
REQUEST
This output energizes when you are required to run the engine at nominal speed.
By default, the IDLE speed is disabled. The output is immediately energized when
the Be126 activates the fuel solenoid.
When you set an IDLE speed and an IDLE TIME (see section 14.0), the output
remains disabled as long as requested by the IDLE timer. When Be126 requires a
nominal speed (in other words, the IDLE timer expired), the output JB-2 will
energize. The external relay, connected to it, will instruct the governor to run the
engine at nominal speed.
When using a SAE J 1939 compatible engine, this output indicates when the
engine is supposed to work at nominal speed. The Be126 will instruct directly the
engine via CANbus,
JB-3
LOW FUEL LEVEL
It indicates the presence of an alarm related to FUEL (see section 36.0.7).
JB-4
AUTO MODE ACTIVE
It energizes when the controller is working in AUTO mode of operation.
JB-5
DRAIN SOLENOID
Used to drive a relay able to supply the DRAIN VALVE. This function is used when
you test the automatic system. The drain valve will allow you to trigger the
pressure switch (in other words, it simulates a fire condition). See section 21.0 to
set up the DRAIN SOLENOID.
