Tandem Axis doesn't work
- chili023
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						15 Sep 2022 15:05				#252002
		by chili023
	
	
		
			
	
	
		
			
			 		
													
	
				Tandem Axis doesn't work was created by chili023			
			
				I have my first tandem axis setup to configure.
I cannot get the servos to drive together.
Setup as followed
Y1 = Stepgen0 (Joint 1)
Y2 = Stepgen1 (Joint 2)
X = Stepgen2 (Joint 0)
Z = Stepgen3 (Joint 3)
Nether while homing nore while jogging the two servos move together.
I can individually jog joint 1 and 2 but not together. What am I missing? Cannot be much.
I actually feel stupid for asking.
Anyway here are my files
 
 
			
					I cannot get the servos to drive together.
Setup as followed
Y1 = Stepgen0 (Joint 1)
Y2 = Stepgen1 (Joint 2)
X = Stepgen2 (Joint 0)
Z = Stepgen3 (Joint 3)
Nether while homing nore while jogging the two servos move together.
I can individually jog joint 1 and 2 but not together. What am I missing? Cannot be much.
I actually feel stupid for asking.
Anyway here are my files
Attachments:
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- mgm
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						15 Sep 2022 15:13				#252003
		by mgm
	
	
		
			
	
	
			 		
													
	
				Replied by mgm on topic Tandem Axis doesn't work			
			
				You need for example:
HOME_SEQUENCE = 0 for Z
HOME_SEQUENCE = 1 for X
HOME_SEQUENCE = -2 for both Y
The minus is for the tandem joint !
					HOME_SEQUENCE = 0 for Z
HOME_SEQUENCE = 1 for X
HOME_SEQUENCE = -2 for both Y
The minus is for the tandem joint !
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- Clive S
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						15 Sep 2022 15:56		 -  15 Sep 2022 15:57		#252008
		by Clive S
	
	
		
			
	
	
			 		
													
	
				Replied by Clive S on topic Tandem Axis doesn't work			
			
				You might also need to looks at the signsHOME_SEARCH_VEL = -1.000000 (if you remove the - sign it will search in the opposite direction)
HOME_LATCH_VEL = -0.500000 (as above this is to back off the home switch)
The above seems to me to be very slow commands for the search
					HOME_LATCH_VEL = -0.500000 (as above this is to back off the home switch)
The above seems to me to be very slow commands for the search
		Last edit: 15 Sep 2022 15:57  by Clive S.			
	
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						15 Sep 2022 20:21				#252043
		by chili023
	
	
		
			
	
			
			 		
													
	
				Replied by chili023 on topic Tandem Axis doesn't work			
			
				The minus singe solved it.
Thank you.
					Thank you.
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