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8 years, 3 months ago.
Strange Encoder Behavior
Hey!
My name is thiago and I am finishing a project in college, I have to use one quadrature encoder, a borrowed one from a friend, the model is BA4162-0360. It sends 360 pulse in one rotation, and is connected to a 5 or 4 wires, i couldn't find much information about this particular model in the internet, only about the BA series, now i dont even know if it is uni or bi directional... This is it:
When I plugged in a oscilocope to check what was going on, I had a surprise. One of the chanels is ok, but the other one looks like this:
This is my first time working with encoders, but as far as I know it should be simpler, i connect everything where it should be connect and still, it didnt work. Any thing would help me out, please comment =)
Thanks
1 Answer
8 years, 3 months ago.
According to the manufacturer's data sheet:
http://www.farnell.com/datasheets/44170.pdf
The device needs 5 - 24V to operate. Are you running the device in that range?
Important Note: Since the device's output is push-pull, you will need a resistive divider to translate the device's 5-24V output signal to meet the mbed's 3.3V(max) GPIO input pin voltage!!!!
...kevin
Hey Kevin, Thanks for the answer! Yeah, I am operating in 24V. But this is not the datasheet of the encoder that I am using. I was going to use a resisive divider, but since the signal looked weird in the osciloscope, I decided to understand it first. The encoder that I am using is manufactured by veeder-root, aparently, a brasilian brand that doesn't bother showing their datasheets easily.
Thiago.
posted by 19 Jan 2016Yes, I was using the CC mode, even tried a diferent DS to check if there wasnt a problem with the scope problem. I just found a very important piece of information. I had a hard time finding the datasheet, but the suplier sent one to me, what happens is that this is not an bidirectional encoder as I thoght it was. This is actually an uni-directional encoder with a reference signal. The reference signal still looking weird thogh, but now I believe I know I was aproaching this problem the wrong way.
posted by 20 Jan 2016
I just found a very important piece of information. I had a hard time finding the datasheet, but the suplier sent one to me, what happens is that this is not an bidirectional encoder as I thoght it was. This is actually an uni-directional encoder with a reference signal. The reference signal still looking weird thogh, but now I believe I know I was aproaching this problem the wrong way.
posted by Thiago . 20 Jan 2016