Laser Show Systems - Pinouts

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 for the connectors on the X29 full length and short interface cards. This is NOT an official New Method Lasers document - for complete details, contact NML@laser-light-show.com

Board Pin	DB25 pin	Function	Usage
13	7	X out (+/-) 8V	Bipolar output to X galvo
14	20	X ground	Analogue ground
15	8	Y out (+/-) 8V	Bipolar output to Y galvo
16	21	Y ground	Analogue ground

Board Pin	DB25 pin	Function	Usage
1	1	Trigger Out	TTL out (see note 1)
2	14	Trigger Out	TTL out (see note 1)
3	2	Trigger Out	TTL out (see note 1)
4	15	Trigger Out	TTL out (see note 1)
5	3	Trigger Out	TTL out (see note 1)
6	16	Trigger Out	TTL out (see note 1)
7	4	Trigger Out	TTL out (see note 1)
8	17	Trigger Out	TTL out (see note 1)
9	5	Red low	TTL out (see note 2)
10	18	Red High	TTL out (see note 2)
11	6	Green low	TTL out (see note 2)
12	19	Green High	TTL out (see note 2)
13	7	Blue low	TTL out (see note 2)
14	20	Blue High	TTL out (see note 2)
15	8	N/C	Not used
16	21	Blanking	TTL blanking signal
17	9	Ground	Digital Ground (see note 3)
18	22	Ground	Digital Ground (see note 3)
19	10	+5 VDC	Vcc for TTL buffers etc (see note 4)
20	23	+12 VDC	Vcc for mini relays etc (see note 4)

1/ Pins 1-8 can be used either to drive eight actuators with digital (on/off) signals, or can be digitally decoded to give 255 lines of digital (on/off) control.
2/ For colour control use the G, G and B High lines in digital mode to get 7 colour control. Each of the the Red low and high signals can be decoded to give 4 levels of brightness for each colour.
3/ The digital ground and analogue grounds are separate. Do not use the digital ground with analogue signals and vice versa.
4/ CAUTION: do not short these pins to ground or any other voltages as it may cause damage to your computer power supply. Insulate from any nearby pins and fuse at 1 amp max.

Board Pin	DB25 pin	Function	Usage
1	1	Trigger in	TTL input (see note below)
2	14	Trigger in	TTL input (see note below)
3	2	Trigger in	TTL input (see note below)
4	15	Trigger in	TTL input (see note below)
5	3	Trigger in	TTL input (see note below)
6	16	Trigger in	TTL input (see note below)
7	4	Trigger in	TTL input (see note below)
8	17	Trigger in	TTL input (see note below)

NOTE: The input lines can be used as 8 individual inputs for triggering or can be encoded with an external device to give 255 trigger combinations.

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