Laser Show Systems - Pinouts - G120D

This section contains pinouts of many popular boards and components that are used in laser show systems.
DISCLAIMER: The pinouts shown here were contributed by manufacturers, vendors and individuals. While every effort has been made to insure accuracy, LaserFX.com can not be responsible for any errors or omissions.

Pinout and wire colours for the DB15M connector on the G120D and G120DT galvanometers. This is NOT an official General Scanning document - for the latest info, contact General Scanning directly.

Pin Number	Wire Colour	Signal Description
1	Red	Drive Coil (See notes 1 & 2)
2	Yellow	Drive Coil (See notes 1 & 2)
3	Black	Position output (-)
4	Orange	Position Output common
5	Red	Heater - T-Type (See note 3)
6	N/C	No Connection
7	Red	Heater - T-Type (See note 3)
8	White	Oscillator supply voltage (+)
9	Green	Drive Coil (See notes 1 & 2)
10	Black	Drive Coil (See notes 1 & 2)
11	Red	Position Output (+)
12	Violet	AGC Output
13	Brown	Oscillator supply voltage common
14	N/C	No Connection
15	Blue	Thermistor - T type (See note 3)

1/ To wire drive coils in series, connect Black to Green and drive Red to Yellow. Series wiring is recommended for use in position sensing (closed loop) mode.

2/ To wire drive coils in parallel, connect Red to Green and Black to Yellow. Use parallel wiring only when driving the galvo in open-loop mode.

3/ Heater blankets are mounted only on the G120DT type galvos and are not commonly used in light show applications.

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