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servocat and nexus dsc pro

fwillburn All Messages By This Member #7504 Hi I am trying to replace my sky commander with a nexus dsc pro and i am having problems with it communicating with the servocat.I need to know if I need to change the cable from the nexus dsc pro to the servocat and if i do what is the pinout on the servocat.also every thing is still workin with the sky commander just wanted to upgrade to the nexus dsc pro. Thanks for any help.
Bill Conrad All Messages By This Member #7505 Hi Frank: ? Open your ServoCAT box and check that the jumpers circled in the image below are set as shown. ? BC ?
Serge Antonov All Messages By This Member #7506 开云体育 You need to open ServoCAT and change three jumpers to configure it the same way as for Argo Navis - please see the attached photo. You do not need a new cable to connect the serial port on Nexus DSC Pro to the DSC port on ServoCAT. Best Regards, Serge Antonov, Astro Devices. toggle quoted message Show quoted text On 21 Apr 2025, at 12:53?PM, fwillburn <frank@...> wrote: Hi I am trying to replace my sky commander with a nexus dsc pro and i am having problems with it communicating with the servocat.I need to know if I need to change the cable from the nexus dsc pro to the servocat and if i do what is the pinout on the servocat.also every thing is still workin with the sky commander just wanted to upgrade to the nexus dsc pro. Thanks for any help.
fwillburn All Messages By This Member #7507 Thanks I will try that tomorrow.
fwillburn All Messages By This Member #7508 Thanks I will try that tomorrow.
fwillburn All Messages By This Member #7521 I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
Mickey Huffman All Messages By This Member #7522 开云体育 Hello Frank, what 2 stars are you using for your 2 star alignment? Mickey toggle quoted message Show quoted text On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
K9RX - Gary All Messages By This Member #7523 The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? g. toggle quoted message Show quoted text ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Hello Frank, what 2 stars are you using for your 2 star alignment? Mickey On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
Mickey Huffman All Messages By This Member #7524 开云体育 Actually with the Nexus it can make a difference. This may not be the problem but it can make a difference. Mickey toggle quoted message Show quoted text On Apr 22, 2025, at 12:56?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? g. ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Hello Frank, what 2 stars are you using for your 2 star alignment? Mickey On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
K9RX - Gary All Messages By This Member #7525 Mickey,? I'm not saying it makes no difference - I am saying it isn't going to account for a 5° error!? g. toggle quoted message Show quoted text ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 5:16:34 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Actually with the Nexus it can make a difference. This may not be the problem but it can make a difference. Mickey On Apr 22, 2025, at 12:56?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? g. ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Hello Frank, what 2 stars are you using for your 2 star alignment? Mickey On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
bobrose500 All Messages By This Member #7526 开云体育 I am with Gary n this one. About 95% chance it is slipping or binding. The other 5% is probably wiring related. Those encoders can’t tolerate any off axis thrust. Bob ? toggle quoted message Show quoted text From: [email protected] <[email protected]> On Behalf Of K9RX - Gary via groups.io Sent: Tuesday, April 22, 2025 3:40 PM To: [email protected] Subject: Re: [ServoCAT] servocat and nexus dsc pro ? Mickey,? ? I'm not saying it makes no difference - I am saying it isn't going to account for a 5° error!? ? g. ? ? ? ? ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 5:16:34 PM Subject Re: [ServoCAT] servocat and nexus dsc pro ? Actually with the Nexus it can make a difference. This may not be the problem but it can make a difference. ? Mickey ? On Apr 22, 2025, at 12:56?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? ? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? ? g. ? ? ? ? ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro ? Hello Frank, what 2 stars are you using for your 2 star alignment? ? Mickey ? On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
fwillburn All Messages By This Member #7527 开云体育 Thanks for all of the help I tried it again tonight and every thing is working great so i am not sure but i think I must of had a cable not making good contact but every thing is good now. toggle quoted message Show quoted text From: [email protected] <[email protected]> on behalf of bobrose500 via groups.io <bobrose500@...> Sent: Tuesday, April 22, 2025 6:02 PM To: [email protected] <[email protected]> Subject: Re: [ServoCAT] servocat and nexus dsc pro ? I am with Gary n this one. About 95% chance it is slipping or binding. The other 5% is probably wiring related. Those encoders can’t tolerate any off axis thrust. Bob ? From: [email protected] <[email protected]> On Behalf Of K9RX - Gary via groups.io Sent: Tuesday, April 22, 2025 3:40 PM To: [email protected] Subject: Re: [ServoCAT] servocat and nexus dsc pro ? Mickey,? ? I'm not saying it makes no difference - I am saying it isn't going to account for a 5° error!? ? g. ? ? ? ? ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 5:16:34 PM Subject Re: [ServoCAT] servocat and nexus dsc pro ? Actually with the Nexus it can make a difference. This may not be the problem but it can make a difference. ? Mickey ? On Apr 22, 2025, at 12:56?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? ? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? ? g. ? ? ? ? ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro ? Hello Frank, what 2 stars are you using for your 2 star alignment? ? Mickey ? On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??
Mickey Huffman All Messages By This Member #7528 开云体育 Perfect ?? The stars thing doesn't happen often , but for a fact if you use Spica in North America nexus will not give you a good warp number. Also sometimes certain star combos that are at odd angles and too close to each other can result in an off number as well. You would notice right off if you know you hit them dead center yet your warp number keeps being off. ? It is a very minor thing. The newest firmware may have resolved this as well. I haven't had a chance to use the new firmware. Mickey toggle quoted message Show quoted text On Apr 22, 2025, at 6:40?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? Mickey,? I'm not saying it makes no difference - I am saying it isn't going to account for a 5° error!? g. ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 5:16:34 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Actually with the Nexus it can make a difference. This may not be the problem but it can make a difference. Mickey On Apr 22, 2025, at 12:56?PM, K9RX - Gary via groups.io <amateurK9RX@...> wrote: ? The 2 stars used should not cause an issue in pointing of that degree nor cause it to be off on one of those stars (when returned to it). The quality of the alignment - whether the stars were the right stars (i.e. you were on the ones you claimed) could make a difference.? Generally with that much difference I'd suggest you are seeing slippage in one of the encoders. Generally the ALT is the culprit. Make sure the ALT encoder arm is not pushing up or down on the encoder shaft or twisting it.? g. ------ Original Message ------ From "Mickey Huffman via groups.io" <finman42@...> To [email protected] Date 4/22/2025 12:29:47 PM Subject Re: [ServoCAT] servocat and nexus dsc pro Hello Frank, what 2 stars are you using for your 2 star alignment? Mickey On Apr 22, 2025, at 12:16?PM, fwillburn <frank@...> wrote: ? I have the jumpers switched and the nexus dsc pro is now communicating. I did a two star alignment and it pointed good to the first five targets and then on the sixth target it was off by about 5 degrees this is the order of the targets M51-m81-m82-albireo-m81 and then when i whent back to albireo it was off about 5 degrees. I have double checked all the settings. Let me know what you think. Thanks Frank? ??

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