Author Topic: Stepper motor opto  (Read 11921 times)

babinda01

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Stepper motor opto
« on: September 18, 2006, 06:41:14 PM »
Hi,
I've just bought a T100MD888, and I need to drive a stepper motor with it.  The docs suggest a H11L2 as the opto, but I can only source H11L1's in the time frame that I have.  Will this divice work ok???  I will be running the PLC from a 12VDC supply.

Regards
Andrew

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Re:Stepper motor opto
« Reply #1 on: September 18, 2006, 09:57:15 PM »
Yes, you should be able to use H11L1, L2 or L3. L1 is more sensitive since it requires less current to turn on the emitter in the optocoupler so use a larger resistor to reduce the sensitivies to noise.
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