[WT-support] Rotor Control - Green Heron RT-21 S/N 00918

[Georgek5kg at aol.com]

Hello Jeff (W2FU) and Bob (N6TV),
 
Thank you both very much for your quick replies to my cries for help last  
night.  I am happy to report that control of the RT-21 from Wintest is now  
working.  
 
Jeff, I did what you said and tried to access the RT-21 from the Setup  
Utility, but just could not get the utility to talk to the GH.  I tried a  
couple of com ports, but still no joy.  I then checked the continuity of  the 
serial port cable (new and unused from my junk box) and, guess what, I  had 
continuity only on pin-1.  No continuity at all on pins 2, 3 and  5.  Now, I 
don't know why a cable with continuity only on pin-1 would even  exist, but I 
for sure had one!!!
 
A trip to Radio Shack, and $21.38 later (yes, it was a rip off), the new  
serial cable solved the problem.  When I connected the GH to com4, the  Setup 
utility immediately connected.  I then tried it with Wintest and  wtRotors, 
and it works beautifully.  
 
I figure that having the "Point and Shoot Azimuth" feature will help my  
score next weekend.  I will think of you guys every time I  hit Ctrl+F12, hi.
 
Thanks again.
 
73, George 
 
George  Wagner, K5KG
Sarasota, FL 
941-400-1960 cell  

 
In a message dated 7/8/2012 3:38:42 A.M. Eastern Daylight Time,  
info at greenheronengineering.com writes:

 
George, 
You do not need USB  drivers to use the 232 port.  (Most computers already 
have the driver  though, it’s part of windows from XP SP2 on.) 
Sounds to me like  COM4 isn’t working..  Are you using an add-in card for 
this?  Make  sure you have a through cable….2-2, 3-3, etc.  If WT Rotors has 
a baud  rate setup, make sure it’s at 4800 baud (the DCU  standard) 
Then I would  try: 
See if something else  will work on COM4. 
Try the RT-21 on a  COM port that you know works with something else. 
Try a different  program with the RT-21 on COM4.   (LP Rotor, N1MM Rotor, 
Green Heron  SETUP Utility, are all free programs that you can download to 
try them.   SETUP Utility has no settings to make other than to select the COM 
 port. 
Jeff 
 
  
____________________________________
 
From:  Georgek5kg at aol.com [mailto:Georgek5kg at aol.com] 
Sent: Sunday, July 08, 2012 1:16  AM
To:  info at greenheronengineering.com
Cc: support at win-test.com
Subject: Rotor Control - Green Heron  RT-21 S/N 00918 
 
Hello, I am trying  to control  my GH RT-21 from WinTest.  I have the 
wtRotators  program working aok with WinTest, but the GH RT-21 is not  rotating 
when I hit Ctrl+F12 to cause the rotator to  rotate.
 

 
In wtRotators, I see  these messages:
 
COM4 to Green Heron  DCU: opened
 
Set Green Heron DCU  rotator to : 050 ....(when I select an azimuth of 50  
degrees)
 
Set Green Heron DCU  rotator to : 300 ....(when I select an azimuth of 300  
degrees)
 

 
The RT-21 is  connected to Com4, not a USB port.  Do I have to install the 
USB  driver as mentioned in the RT-21 user guide?  If so, how do I do  that?
 

 
How can I test to  see that the RT-21 is communicating with Com4, which it 
doesn't seem to  be?  
 

 
73, George,  K5KG



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