Encoder

creativepaper

Lifetime Supporting Member
Join Date
Feb 2008
Location
Worcester
Posts
168
Does anyone know of a cheapish encoder (under $100).

ppr = 1 (can handle more but don't need more)
single or double - can use single, but would need to have 2 of them to determine direction
Voltage = up to 24V DC
Hollow bore with bore of 9/16 (I can be flexible with this)
waterproof - needs to be able to withstand a washdown and humid enviroment.

The location is not a high traffic area, so plastic would be ok.

Its used to measure the number of turns for a slice positioner on our papermachine. Usual number of turns per visit is in the 20 range so 1 ppr will be adequate.

It will be hooked up to a digital input card on our ControlLogix system (2 channels per encoder so I can determine direction).

Cheers for all the help
 
We would make our own.

Does anyone know of a cheapish encoder (under $100).

ppr = 1 (can handle more but don't need more)
single or double - can use single, but would need to have 2 of them to determine direction
Voltage = up to 24V DC
Hollow bore with bore of 9/16 (I can be flexible with this)
waterproof - needs to be able to withstand a washdown and humid enviroment.

The location is not a high traffic area, so plastic would be ok.

Its used to measure the number of turns for a slice positioner on our papermachine. Usual number of turns per visit is in the 20 range so 1 ppr will be adequate.

It will be hooked up to a digital input card on our ControlLogix system (2 channels per encoder so I can determine direction).

Cheers for all the help

If all you need is one pulse per rev, we usually use an inductor to read a slot in a disk.
 
Our current line of thinking is 2 magnets on a shaft with corresponding pickups to act as 2 single channels but we would prefer something that we can just bolt on instead of create.
 

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