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5.1VDC 1.5a Stepper resistor setup
Posted: Thu Oct 22, 2009 6:59 am
by srkelley
I too am trying to setup board to set for specific steppers. Which resistors need to be changed and with what> I am using 5.1VDC, 1.5a 2 phase 6 wire steppers. Additionally when you say the board is good for 2.5a. I assume that is per axis?
Your help is appreciated.
Thanks
Scott
Re: 5.1VDC 1.5a Stepper resistor setup
Posted: Fri Oct 23, 2009 8:27 am
by Tech_Marco
Formula: Vref/5Rs
Vrf = Voltage at pin#10
Rs= the current resistor (the bigger one you seem on the board, usually 2Watt)
Example:
1.0ohm = 1A
0.39ohm = 1.25A
0.3ohm = 1.5A
Re: 5.1VDC 1.5a Stepper resistor setup
Posted: Mon Oct 26, 2009 12:53 pm
by srkelley
What size is currently installed on board and what is the board setup for form the factory? Is the board rated for 2.0 a per phase? I am still unsure which resistor have to be changed. Your help is appreciated.
Re: 5.1VDC 1.5a Stepper resistor setup
Posted: Tue Oct 27, 2009 10:53 pm
by Tech_Marco
Default is 1.5A per axis