PP500 LED lighting controllers - User Manual
8
Connections
All connections to the PP500 are made on screw terminals at one end of
the case (see below).
The screw terminals have the following connections:
Screw terminal ID
Function
TRIG1–
Channel 1 trigger input
TRIG1+
LED1+
Channel 1 lighting output
LED1–
PSU+
Power
PSU–
Power supply −
LED2−
Channel 2 lighting output
LED2+
TRIG2+
Channel 2 trigger input
TRIG2−
8.1
Triggers
The PP500 triggers are opto-coupled as shown in the circuit below. A
V
TRIG
voltage between 3V to 24V provides a logic 1 and any V
TRIG
voltage
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PP500 LED lighting controllers - User Manual
below 1V, a logic 0. A logic 1 signal will sink approximately 3mA at any
voltage from 3V to 24V.
8.2
Power supply
Refer to
Section 2.2, Electrical
(or
Section 3.2, Elektrik
, or
Section 4.2,
Électricité
) for important guidance on selecting a power supply for your
PP500.
Power supplies should be regulated with SELV compliant outputs (fault
tolerant). Consideration should be given to fusing. The fuse value can be
based on the average current output.
Note:
In Europe, fuses are designed to pass at their rated current, while in
the USA fuses are designed to blow at their rated current.
8.3
Wiring
Refer to
Section 2.2, Electrical
(or
Section 3.2, Elektrik
, or
Section 4.2,
Électricité
) for important guidance on wiring up your PP500.
Ensure that the wire gauge used for these connections is appropriate for
the current to be drawn. Ideally, wires should be double crimped or
independently secured to ensure they cannot come loose. Route low
voltage and mains wiring separately. If they must be loomed together
ensure that low voltage insulation rating is sufficient or that supplementary
insulation is used.
Note:
The case of the PP500 is not connected to the GND supply
connection.
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