S110 S120 样本下载 S110比S120小。
http://www.automation.siemens.com/mcms/infocenter/content/en/Pages/order_form.aspx?nodeKey=key_9178265

https://www.automation.siemens.com/mcms/mc/en/converters/low-voltage-converters/sinamics-s/motion-control-drives/sinamics-s120-marketing-materials/Pages/sinamics-s120-marketing-materials.aspx

热线可以打通的，多试一下 ，还有这个号码 010-64719990
打010-84597313 可以直接购买。