Specifications

19
SECTION 6.0
SPECIFICATIONS for Pyxis
MECHANICAL
Main Gear Diameter 4.125 inches
Total Gear Reduction 110 : 1
Number of Steps for One Rotation 5280
Degrees for One Step 0.0682º (4.09 arc minutes)
Load capacity 5 pounds maximum
MOTOR
Type Bipolar Stepper
Voltage 12 VDC
Steps for One Rotation 48
Coil Resistance 40 ohms high torque motor with neodymium magnets
MICROCONTROLLER
Type PIC16CE625
EPROM 2K x 14
RAM 128 x 8
I/O Lines 13
EEPROM 128 x 8
Operating Temperature
-40° to +80° C
POWER REQUIREMENTS
Voltage 11.7 to 12.3 volts DC
Current 500 ma for high torque motor
Fuse protection 0.8 amp, PTC reset able
SIZE & WEIGHT
Size 6 inches diameter x 1.5 inches thick without adapters
Clear Aperture 1.65 inches
Weight 27 ounces with adapters
INCLUDED ITEMS
Adapters 2” telescope detachable adapters
Power Supply 12 VDC regulated power supply with 6’ cords
Tools 5/64” and 0.05” hex keys
Software CD disk with Pyxis control software and manual