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BES X installation manual
6
LCOM line
LCOM is the network that connects the 4HD/5HD-HUB units to: QubicaAMF pinspotter interfaces, camera
assembly, Bumper Control units or other LCOM controlled devices (such as XLMP or EDC).
The LCOM network runs through a four-wire cable, with two wires carrying the power and two wires carrying
the bi-directional communication signal.
QubicaAMF supplies 60ft – 20m of LCOM cable for each pair of lanes, enough for a standard installation.
Every LCOM device is exclusively powered through the LCOM line.
The source for the LCOM line on each pair of lanes is the C1 connector on the 4HD/5HD-HUB unit.
The pin out for this connector is:
•
+:
+18 Volts unregulated;
•
B:
Communication –;
•
A:
Communication +;
•
-:
Common.
The recommended size for LCOM wires is AWG 18 - 0.75mm².
The LCOM power line is protected from a short-circuit by an AUTO-FUSE mounted inside the 4HD/5HD-HUB
unit.
The LCOM communication is protected from electrostatic discharge by special devices mounted on all LCOM
electronic boards.
Bad wiring during installation may break some protection devices.
6.1
LCOM wiring
The correct wiring for each LCOM device is done by keeping the Phoenix connector in your hand, as shown
in the picture below. The pin number 1 is the first starting from the left.
6.2
Replacement of LCOM devices
The following procedure is to be carried out when disconnecting or replacing LCOM devices.
1. The main power supply to the 4HD/5HD-HUB must first be isolated (turned off) before attempting to
make any disconnection on the LCOM line.
Failure to carry out this action may result in major damage to one or more of the LCOM devices.
P/N: 400288005; Rev: L, 09/21
LCOM line
69
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