This part is a kind of semiconductor called ECN1313.

Function of this product has Rotary Encoders.

Manufacturers : HEIDENHAIN

Image and pinout :

Some of the text within the PDF file :

Product Information ECN 1313 ECN 1325 ERN 1321 ERN 1387 Rotary Encoders with Plane-Surface Coupling for Elevator Servo Drive Control October 2013 ECN/ERN 1300 series Rotary Encoders with integral bearings for elevator technology • Simple installation • Rigid shaft coupling • Plane-surface coupling for large mounting tolerances • Uniform dimensions for various interfaces  A = Bearing of mating shaft B = Bearing of encoder k = Required mating dimensions m = Measuring point for operating temperature À = Screw plug, widths A/F 3 and 4, tightening torque 5+0.5 Nm Á = 12-pin PCB connector  =  Self-tightening screw M5 x 50 DIN 6912 SW4, tightening torque 5 +0.5 Nm à =  M10 back-off thread Å =  M6 back-off thread Å =  Max. permissible tolerance with moving [ ... ]

ECN1313 PDF Datasheet Download