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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.

 

LSDI logo

LSDI Accelerator124 scan amp card

Pinout for the card edge connector and on-board controls of the LSDI Accelerator124 scan amp designed to drive open loop galvos (scanners) at speeds up to 12 K. This is NOT an official LSDI document - for the latest info, contact lsdi@lasdi.com

Accelerator124 pinout diagram

Card edge connector

Pin Number Signal description
A +VDC input (+15V to +18V)
B Signal input (high)
C N/C
D N/C
E Ground
F Ground
H Galvo High
J N/C
K Galvo Low
L -VDC input (-15V to -18V)

NOTE: Amplifier is fused at 1.5 amps (Microfuse)

 

Adjustments on card

Adjustment trimmers in order from top towards bottom (edge connector) of the card - see layout diagram above.

Trimmer Name Description
VR2 Servo Gain adjusts feed-forward compensation
VR1 Input Gain adjusts level of input signal
VR4 di/dt adjusts level of derived feedback
VR5 Damping adjusts velocity signal level
VR3 Phase fine-tune adjust to balance X-Y scanner pair
VR6 DC offset Normally set to zero (center of range)

 

DISCLAIMER: Some of the information in the Backstage area is provided by the persons or companies named on the relevant page(s). Laser F/X does NOT endorse or recommend any products/services and is NOT responsible for the technical accuracy of the information provided.  We provide this information as a service to laserists using the Backstage area. 

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