Xylem Motor pump control unit GEN Series - Manual (Page 43)

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5. ELECTRICAL PANEL CONTROL TERMINALS
X1 - ANALOGUE AND DIGITAL INPUT TERMINALS
CODE DESCRIPTION
B1+ Analogue signal input for battery 1 voltage value
B2+ Analogue signal input for battery 2 voltage value
B- Common input for battery negatives and others
AV1 Starting relay 1 command output
AV2 Starting relay 2 command output
STOP Engine shut-off device command output
BPO
“Low Engine Oil Pressure” signal input. The input is enabled by the controller
10 seconds after the engine has been started
ATA
“High Engine Temperature” signal input. The input is enabled by the
controller 10 seconds after the engine has been started
IN RIS. “Low Fuel Level” signal input
CB Battery charger voltage input from engine
PK Frequency signal input (PICK-UP) for engine speed measurement
PK- PICK-UP reference (ground)
PRESS- Pressure switch start contact signal reference (ground)
PRESS Pressure switch start contact signal input
IN AUX1 Digital signal input active, programmable from set-up
IN AUX2 Digital signal input active, programmable from set-up
IN AUX3
Digital signal input active, programmable from set-up. Available directly on
electronic control unit terminal board
QF1
Alternating power supply voltage input for panel internal devices. Phase,
neutral and ground (yellow/green) cables must be connected to
corresponding PE terminal
QU2 Alternating power supply output for engine heating device HEATER
RS232
RS232 connector for connection to PC (or similar) for event memory transfer
or download via a dedicated software
Note: For terminal numbering see diagram attached to electrical panel