Thread: 1200mmX900mmX170mm 4axis cnc
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11-07-2021 #1
Last Activity: 08-09-2024
I am using the uc300eth UB1 with AM882 Leadshine stepper motor drive, as I understand from the Leadshine manual I have to use 2k resistors for the PUL- , DIR-,ENA- and alarm since I use 24volt outputs of UC300 eth ub1 right?
Can someone explain why the resistors are connected to - lines? Is that safe for the drivers? I have seen some diagrams connecting resistors at the + lines for protecting the drivers but this is the first time that I see the opposite.
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11-07-2021 #2
Last Activity: 9 Hours Ago
All the resistor does is limit the current to about 12 to 15mA at 24V going through the led
..Clive
The more you know, The better you know, How little you know
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The Following User Says Thank You to Clive S For This Useful Post:
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11-07-2021 #3
Last Activity: 19-01-2024
The MOTOR OUTPUTS are 5V not 24V, only the general OUTPUTS are 24V, so you don't need the resistors for the drives.
Originally Posted by Nickhofen
-use common sense, if you lack it, there is no software to help that.
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