background image

 

firmware version 1.X.X

 

Nexus-II User Manual 

 
 
The status LED reports different states of Nexus-II: 
Blinking type 

Description 

Fast pulsating blinking 
(once a second) 

A  computing  device  is  connected  to  Nexus  or 
Nexus is connected to a WLAN 

Slow pulsating blinking 
(once every two seconds) 

Nexus is not connected 

ON 

Updating firmware 

Flashing 
(once a second) 

Error/Change Mode 

Charge the battery 

The  battery  may  not  be  fully  charged  at  first.  It  is  advised  to  fully  charge  the 
battery. 
Please  use  either  the  provided  optional  power  adapter  or  one  of  the 
recommended power adapters to charge the battery. 
Please use the supplied USB to DC 2.1mm cable to charge the battery from a 
power  adapter  with  a  USB  socket.  The  power  adapter  should  be  capable  of 
supplying at least 1.5A at 5V otherwise it will take much longer to fully charge 
the battery in Nexus-II. 
Connect the power adapter to Nexus-II and plug the adapter into a power point. 
It  is  recommended  to  keep  Nexus-II  turned  off  during  charging  to  reduce 
charging time. 

WARNING:  

Do not connect Nexus-II to an external power source that is not within 

the  specified  voltage  range.  Nexus-II  has  internal  over-current 
protection but it is safer to use it with the power source specified.  

The  internal  Lithium  battery  can  only  be  charged  at  a  temperature 

range of 0

 o

C to +30 

o

C

  (

32

 o

F to 86 

o

F

)

 

 

Connecting Nexus-II to Your Telescope/Other Devices 

 
Nexus can operate in various modes: 

  Wireless DSC 

  Wireless DSC and USB serial to WiFi adapter 

  USB serial to WiFi adapter 

 

Wireless DSC 

The following diagram illustrates how Nexus-II is connected to a telescope: 
 

Summary of Contents for Nexus-II

Page 1: ...USER MANUAL Nexus STATUS CHARGE POWER II...

Page 2: ...This includes low levels as well as high DO NOT leave Nexus II where it is in direct sunlight or in an enclosed space such as a car that can become extremely hot very rapidly Do not drop or subject th...

Page 3: ...Supports extended Ouranos Bbox Sky Commander and LX200 communication protocols Handles TTL quadrature optical encoders with practically unlimited number of pulses per second Dual power source internal...

Page 4: ...ied voltage range Nexus has internal over current protection but it is safer to use it with the power source specified The USB port can be used to charge your portable computing device and Nexus II ca...

Page 5: ...ocket The power adapter should be capable of supplying at least 1 5A at 5V otherwise it will take much longer to fully charge the battery in Nexus II Connect the power adapter to Nexus II and plug the...

Page 6: ...is pointing Please refer to the user manual of the planetarium software for details on performing the alignment procedure Please note that the connection to a telescope mounted on an equatorial mount...

Page 7: ...e following diagram The pin descriptions are in the following table Pin Description 1 Channel B of Azimuth or RA encoder 2 5 V 3 Channel A of Azimuth or RA encoder 4 Ground 5 Channel B of Altitude or...

Page 8: ...of the back of your Nexus II The SSID can be changed using the configuration utility The default IP address of your Nexus is 10 0 0 1 Note The WiFi Configuration setup may differ based on the brand o...

Page 9: ...you to reset them Turn Nexus OFF Press and hold the Factory Setting button Turn Nexus II ON the status LED will start flashing Release the button The WiFi settings are restored as soon as the status...

Page 10: ...quadrature encoders They can be optical capacitive or magnetic encoders Any of them can be used as long as they provide TTL level quadrature output Q Does Nexus II use external power when external is...

Page 11: ...outputs and powered with 5V The following table lists just some of suppliers selling encoders or telescope encoder kits Supplier Hardware Country Website Astro Devices Encoders Telescope encoder kits...

Page 12: ...nical Support You can find the latest version of the manual and firmware in the support section of our website Please feel free to e mail us should you require further technical assistance Technical S...

Page 13: ...comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential insta...

Page 14: ...ng directives and standards therein Directives WEEE Waste from Electrical and Electronic Equipment 2002 96 EC Radio Equipment Telecommunications Terminal Equipment R TTE 1999 5 EC RoHS Restriction of...

Page 15: ...2000 if Nexus is used with ServoCat A0_45 123_78 245 cr Y success E error T_ 0 90 cr Initial telescope alignment at 0 degrees horizontal or at 90 degrees vertical AI_0 cr Y success E error O Release...

Page 16: ...et PASWORD cr SSID up to 64 bytes Specifies SSID set SSID MyNexus cr get SSID cr TRANSPOWER 1 12 Specifies the transmission power to be used by the WiFi module Please note that the value of 1 specifie...

Page 17: ...es the azimuth RA encoder resolution The default value is set to 10000 The value specified is in ticks per revolution Please note that both commands AZENCRES and RAENCRES set the same value set AZENCR...

Page 18: ...computer It includes computers running Windows Linux or Mac OS SSID Service Set Identifier is the name of a wireless local area network WLAN Standby mode is when the Nexus is passively waiting for a...

Page 19: ......

Page 20: ...Printed in Australia...

Reviews: