Absolute encoder for Siemens Logo

Hello to everyone,

i am new to this forum and have the following problem:

I am trying to make a little control system for a test rig. The test rig should be controlled with the help of a siemens lego 24 VDC. For measuring the rotation angle i would like to mount an absolute encoder. The rotation should be max. 90° and min 10°. The preciosion of the measuring should be <1°.

Unfortunately, i do not know what should be note to connect the encoder to the lego, (which output channels should the encoder have?) Maybe someone have almost used one of those encoders and can recommend one!

Thank you in advance!