QSI 520c Guía de usuario descargar pdf (Pagina 16)

QSI 500 SERIES USER GUIDE

Guider Control Port

All QSI with

MaxIm

duratio . Ordinarily, the Port is only operational if the camera is being used as

the 'Guider' camera, or if you’re using the QSI camera as your main imaging camera and

nfigured MaxIm to send guider correction signals through the main camera. See

nline help for details.

The Gu me

is com

conduc ider

input. T

version ries cameras.

The im

500 Series cameras have a Guider Control Port that can be used in conjunction

LE (or other CCD imaging software) to 'guide' your telescope mount for long-

n astro-imaging

have co

MaxIm o

ider Port employs an RJ-25, 6-conductor modular connector. The interface sche

patible with most modern telescope mounts. Typically, a 6P6C (6 position, 6

tor) telephone-type cable is required for connecting the camera to the mount's gu

his type of cable is commonly available at retailers such as Radio Shack. A 10 ft.

of this cable is supplied with 500 Se

age below summarizes how the Guider Port and compatible cable are wired:

Note: The Guider Port outputs employ optically isolated solid-state switches that

mimic the traditional behavior of older technology mechanical relays. The optical

isolation prevents potentially interfering or damaging ground loops between the

camera and mount.

This newer approach is compatible with most modern telescope mounts (Meade,

Losmandy, Software Bisque, etc.) that employ logic inputs pulled to VCC with a

suitable load resistor.

Adapter cables are available from third parties to connect to other guider port

configurations, such as the Mini-DIN connector on Takahashi mounts.

QSI also offers a Guider Break-Out Box with mechanical relays that can be

employed to adapt to virtually any older or non-standard mount configuration.

Caution: Do not apply more than 50v or 50ma to the guider port pins. The

'Common' input must be at ground, or zero volt potential relative to the control

inputs of your mount. Contact QSI if you are uncertain about your mount's

electrical characteristics.

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QSI 520c Guía de usuario Pagina 16