Encoder connection to 7i48 with A, B, Z & Common

I am working to connect an additional drive and encoder to a 7i48

The other existing encoders have the following connection scheme:
The 7i48 manual seems clear to me how to connect these.
A
/A
Ground
B
/B
Power
Z
/Z

My new (to me) encoder has the following (fewer) wires: (no /A, /B and /Z)

A
B
Z
Common
+5V
Ground

Would this connection scheme be correct?:

A
Common
Ground
B
Common
+5V
Z
Common

I want to be sure that is right before doing it.
Has anyone run into this or know what to do?

Best Regards

SMW

You need to jumper the selected 7I48 encoder input for TTL (single ended) encoder first

Then you connect the encoder wires to the 7I48 ENCA, ENCB, IDX, 5V and ground
pins and leave the 7I48 /ENCA. /ENCB and /IDX pins unconnected.

This is described in the 7I48 manual

OK Thanks a lot, I didn't get what TTL meant.
I am sure that it will all make sense now, I will get back on that this afternoon.

I have not been able to get the encoder to read yet.

I am wondering if one possible explanation for the problem could be that the encoder is 12v but the power out of the 7i48 is 5v?

Would it be OK to use 12v from the power supply directly to the encoder instead of using the 5v from the 7i48?

Yes, thats likely. You should check what voltage the encoder output signals are with the correct 12V power
if they are 0 to 12V signals, they will not work reliably with the 7I48 inputs and you would have to divide them
to get 5 or 6V signal levels

Thanks for the advice and warning about 12v,

I found pages on how to "divide" a voltage, it looks like 2 resistors
one wire going to the 7i48 after passing one resistor.
one wire going to ground after passing two resistor.

I will measure the output from the encoder and see.

I am wondering why one resistor in line would not work.
Maybe one resistor in line would work but the two resistor method would be better. as it would divide it more exactly?

After testing the encoder and finding to work sometimes and then not work, I found a cracked diode in the encoder.
I was able to replace it but it was still unreliable.

I decided to get a 5v differential encoder that was more similar to the encoders on the other axis.
The problem was finding one that fit in the Yaskawa motor with a shaft going through the encoder.

I was really happy with the selection and prices at usdigital.
Great web site and customer service.

The HB5M was an easy retrofit inside the Yaskawa motor.
The connection was easy and the voltage and wiring were a better match.

www.usdigital.com/products/encoders/incr...ary/hollow-bore/HB5M

The price was about $220 which was less than any of the eBay options I found.

4th and 5th axis are moving now, just ini tuning to go now.