Ⅰ: Code of product series: three-digit
117: series 117 encoder
Ⅱ: Pulse of product: double-digit
15: 15 detents, 15 pulses
Ⅲ: OD of rotator: single-digit
1: OD=φ15
2: OD=φ18
Ⅳ: Color of rotator: single-digit
1: gray
2: white
Ⅴ: Thickness of product body: single-digit
1: 5.5mm
2: 4.7mm
Ⅵ: Derivative code: four-digit
0000: without special items
Ⅶ: Type of package: single-digit
0=plastic bag 1=shrinked plastic package
2=tape package 3=tube package
4=foam package 5=undetermined