SIMOTION software - Gregbotos.com

System componentsEncodersSIMODRIVE sensor■ OverviewSIMODRIVE sensors are optoelectronic extension encoders formeasuring displacement, angle, and speed in machines. Theycan be used in conjunction with drives and position displays,e. g.:• SINAMICS drive systems• SIMOTION Motion Control systems• SINUMERIK CNC controls• SIMATIC programmable logic controllers• SIMODRIVE and SIMOVERT MASTERDRIVES drive systems■ ApplicationA distinction is made between incremental and absolute measuringmethods. In the case of incremental encoders, the machinemust travel to a reference point after each power-off state,as the position is not usually stored in the controller, and movementsof the machine while the power is off are not recorded.Absolute encoders, on the other hand, also record these movementswhile the power is off and return the actual position atpower-on. Reference point approach is not necessary.■ DesignAll encoders are available in synchronous flange and supportedflange joint versions. Encoders with a synchronous flange canbe attached to the machine by means of three clamp straps.Mounting with axial screws is also possible. The encoder isdriven by means of a plug-in coupling or a spring disk coupling.Alternatively, pulleys can also be used.The encoder supply voltage is 5 V DC or alternatively 10 V to30 V DC. The 10 V to 30 V DC version supports longer cablelengths. Most control systems apply the supply voltage directlyon the measuring circuit connector.For rotary encoders with cables, the cable length including theconnector is 1 m (3 ft).The following bending radius for the cables at the encoder mustbe complied with:Single bend: ≥ 20 mm (0.79 in)Permanent bend: ≥ 75 mm (2.95 in)■ Further informationFurther information on technical data and ordering data can befound in Catalog NC 60 and in the Interactive Catalog under"Automation Systems/SINUMERIK & SIMODRIVE AutomationSystems".8Siemens PM 10 · 20058/79