How too wire up spindle encoder
- Thread starter andre
- Start date
can you share the datasheet/manual of the encoder?
can you measure the min and max voltage levels on each output as the encoder is being slowly turned and switched between low and high states?
The max current for the diode is 3A but the operating current is 50mA, so you need a resistor in series with it to limit the current, based on the supply voltage connected to it. The 3v quoted for the diode is the reverse voltage, ie the max REVERSE voltage that can be applied before it is destroyed.
Depending on which unit you have the max voltage for the output section, for the integrated sensor it is 20v (Vcc) or for the photo transistor version 30v.
Until you tell us which unit is connected to the encoder (4 wire or 5 wire) we won't be able to inform you how to wire it up. The 4 wire version will probably have some circuitry back in the control box to detect the photo transistor switching.
Regards,
Arie.
putting a new encoder will be the way to go as trying to get the old encoder working will probably take more time and resources, also this might not even work with masso as you will need all the 3 encoder signals.
yes, that is why its better to install a new encoder, you can use something like this: https://www.masso.com.au/product/optical-encoder/
What I was referring to was that the spec sheet you supplied had two different types of opto switches on it.
- 306-061 4 wire unit.
- 304-560 5 wire unit.
As it was the 4 wire unit the old microcontroller would have had the necessary circuitry on it to extract the encoder pulses.
Regards,
Arie.
Andre,
Basically 4 of the wires on the 304-560 go to the power supply and the 5th is the output to MASSO.
Whether it will work with MASSO I will leave to @masso-support to confirm.
But looking at the spindle RPM documentation MASSO requires 3 signals and your original setup provided 2 signals.
The MASSO documentation doesn't supply much information as to how MASSO uses the signals so the only thing I can suggest is to purchase MASSO's encoder.
Sorry I can't be of any more help.
Regards,
Arie.
Basically 4 of the wires on the 304-560 go to the power supply and the 5th is the output to MASSO.
Whether it will work with MASSO I will leave to @masso-support to confirm.
But looking at the spindle RPM documentation MASSO requires 3 signals and your original setup provided 2 signals.
The MASSO documentation doesn't supply much information as to how MASSO uses the signals so the only thing I can suggest is to purchase MASSO's encoder.
Sorry I can't be of any more help.
Regards,
Arie.
Hi @andre
Masso uses a quadrature encoder which is A,B & Z signals with the A & B being 90 degrees out of phase and the Z outputting a pulse once every revolution.
You require 3 optical sensors to make this work and then you will need some circuitry to interface with Masso and even then it might not work.
This site about encoders might help
https://www.dynapar.com/technology/rotary-optical-encoder/
Cheers
Peter
Masso uses a quadrature encoder which is A,B & Z signals with the A & B being 90 degrees out of phase and the Z outputting a pulse once every revolution.
You require 3 optical sensors to make this work and then you will need some circuitry to interface with Masso and even then it might not work.
This site about encoders might help
https://www.dynapar.com/technology/rotary-optical-encoder/
Cheers
Peter